4. Fume cupboardskiantec.ir/file_upload/20120816111733932.pdf · 2014-08-31 · fume cupboard is...

4. Fume cupboards

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Clean air

Our fume cupboards keep the air in the laboratory free ofdangerous gases, vapours and particles and ensure that anexplosive atmosphere does not develop inside the fume cupboard.In addition the closed sash protects against splashes of hazardoussubstances or shattering glass. Thus the fume cupboards ensure asafe atmosphere in the laboratory.

All laboratory fume cupboards can be supplied to conform to thenew European fume cupboard standard as well as to nationalstandards in accordance with DIN, British Standard and the Frenchstandard (AFNOR). Depending on the field of application, you canchoose from four different fume cupboard types:

• General purpose fume cupboards • High performance fume cupboards • Radionuclide fume cupboards • Pharmacy fume cupboards

All fume cupboards can be custom fitted with electrical, water andgas services and are available with fresh air supply or volumetricflow control. Gas scrubbers and activated carbon filters can alsobe used to scrub the fume cupboard extracted air.

To make sure you choose fume cupboards that meet yourrequirements, we can plan and supply complete laboratory fumecupboard and ventilation systems on request.

4. Fume cupboards

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4.1 General information

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Field of application: The BGR 120 (formerly ZH 1/119, guidelines for laboratories)stipulates the use of fume cupboards in the laboratory whenevergases, vapours or suspended matter can be released in hazardousconcentrations or quantities. Due to their design and the air flow,fume cupboards ensure that • gases, vapours or dusts cannot escape from the inside of

the fume cupboard into the laboratory room in hazardousconcentrations and quantities,

• an explosive atmosphere cannot develop inside the fume cupboard,

• users are protected against splashes of hazardous substancesor shattering glass by the closed sash.

The field of application is broad, the demands on a suitable fumecupboard depend on its field of application. General fumecupboards, high performance fume cupboards, radionuclide fumecupboards and pharmacy fume cupboards are available to meet thevarious requirements. In many cases, larger quantities of heat orsubstances with low potential to cause harm are regularly releasedin certain areas of the laboratory. The use of bench mounted fumehoods, fume hoods and extraction arms is suitable in these cases.

Köttermann offer suitable fume cupboard and extraction systemsfor every field of application. The Köttermann fume cupboardrange is presented in Section 4.2.

Broad product line: You will find the fume cupboard system well suited for therespective application in the Köttermann product line. There aretwo different ways to assemble a fume cupboard system: 1. with pre-assembled complete fume cupboards whose

fittings can be complimented by accessories such asadditional taps,

2. with custom assembled modular fume cupboards. In thiscase the fume cupboards are assembled with individualmodules according to the user’s requirements.

Pre-assembled complete fume cupboards are presented in Section4.3.1 und 4.4.1. They meet most of the requirements inlaboratories. If the demands are higher, customised systems canbe assembled with modular fume cupboards. Modular fumecupboards are presented in Section 4.3.2 und 4.4.2.

4.1 General information

4.2 Fume cupboard range

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General purpose fume cupboards are suitable for work duringwhich • larger quantities of heat are not released and • aggressive chemicals are not used.

Larger quantities of heat can have a negative effect on the flowconditions inside the fume cupboard, and aggressive substanceswould damage the surface of the fume cupboard interior with longterm exposure.

General purpose fume cupboards are available in two basically different designs: • as a laboratory fume cupboard • as an industrial fume cupboard

(with very large usable dimensions)

Both fume cupboard types can be used universally and meet thesafety requirements regarding ventilation stipulated in DIN EN14175 Part 3 and DIN 12924 Part 1. The different names are onlyused for the purpose of differentiating the two types. The termindustrial fume cupboard simply means that the usable dimensionsof this fume cupboard type meet the special demands of largescale industry.

Pharmacy cupboards are small fume cupboards especially forsmaller jobs such as decanting medicines or volatile solvents inpharmacies. Although their retaining power for harmful substanceswas certified, their suitability for general use in laboratories islimited. Because in most cases higher demands, for example forthe resistance of the worktop material, have to be met.

4.2.1 General purpose fume cupboards

4.2.4 Pharmacy fume cupboards

Bench mounted fume hoods, fume hoods and extraction arms arealso used whenever locally restricted emissions with low potentialto cause harm must be extracted. Typical fields of applicationinclude decanting less toxic substances and the specific extractionof fumes for example in the field of gas chromatography. Benchmounted fume hoods and fume hoods are also suitable fordischarging larger quantities of heat released by muffle furnaces.

This extraction equipment does not replace a laboratory fume cupboard. Because harmful substances are not discharged as wellby bench mounted fume hoods, fume hoods and extraction armsas by laboratory fume cupboards. In addition their capacity is notsubject to any standard with quantifiable limit values.

4.2.5 Bench mounted fume hoods, fume hoodsand extraction arms

Radionuclide fume cupboards are used whenever work is carried out with radioactive isotopes. In Germany, this type offume cupboard is obligatory in laboratories from protection classS3 (see DIN 25425-1 „Radionuclide laboratories“, Section 9.13).

Radionuclide fume cupboards are fitted with a seamless stainlesssteel worktop. Radioactively contaminated wastes can flowthrough a duct with a funnel in the worktop and be collected in a canister with electronic filling level monitoring. Radionuclidefume cupboards are sturdy enough to hold the heavy leadprotections.

4.2.3 Radionuclide fume cupboards

High performance fume cupboards – that is: fume cupboards forwork with aggressive services at high temperatures – are usedwhenever • larger quantities of heat are released, as for example when

acids fume off, or • work is carried out with aggressive chemicals.

High performance fume cupboards are available with a tableheight of 900 mm. Their interior is fitted with a lining made ofceramic or polypropylene depending on their field of application. • Due to their high chemical resistance, high performance

cupboards with ceramic lining can be used universally.

4.2.2 High performance fume cupboards

Laboratory fume cupboards are available in three variants:• as a standard fume cupboard with a table height of 900 mm• as a distillation fume cupboard with a table height of 510 mm• as a walk-in fume cupboard

4.2.1.1 Laboratory fume cupboards

Industrial fume cupboards are only available as general purposefume cupboards. The following variants are available:• Standard fume cupboard with a table height of 900 mm• Walk-in fume cupboard

4.2.1.2 Industrial fume cupboards

They are not suitable for work with hydrofluoric acid or acidic fluorides.

• High performance fume cupboards with polypropylene liningare specially fitted for handling hydrofluoric acid. In thesefume cupboards, the panel of the sash is made ofpolycarbonate.

4.2 Fume cupboard range

208

Depending on their fittings laboratory fume cupboards complywith different standards:• the new European EN• the current German DIN• the current British Standard• the current French standard (AFNOR)

Part 1 and 2 of the new EN 14175 came into force in August 2003.The standard DIN EN 14175 therefore replaces DIN 12924 Part 1.Parts 2–4 of DIN 12924 as well as DIN 25466 will remain in force.

With the new EN 14175 a framework is created which definesuniform standards for dimensions, safety and retention capacityfor harmful substances for fume cupboards in Europe.

EN 14175 Part 3 provides a design check according to whichventilation data will be measured. The new EN does not specifyany limit values. Therefore DIN, the British Standard and AFNORwill retain their significance in the national specification ofventilation limit values also in the future.

All known conditions of the European standard can be fulfilled by Köttermann fume cupboards. This means that standardavailable fume cupboards are not only tested with regard toventilation according to German, British or French standards butalso alternatively according to European standard. Test certificatesconfirm that the fume cupboards are extremely safe and have ahigh retention capacity for harmful substances.

The following German certificates with regard to ventilation areavailable:• General purpose fumes cupboards:

certified according to DIN 12924 Part 1• Standard fume cupboards• Distillation fume cupboards• Walk-in fume cupboards

• High performance fume cupboards:certified according to DIN 12924 Part 2

• Radionuclide fume cupboards:certified according to DIN 25466

• Pharmacy fume cupboards:certified according to DIN 12924 Part 4

• Industrial fume cupboards:certified according to DIN 12924 Part 1• Standard fume cupboards• Walk-in fume cupboards

4.2.7 Test certificates

The fume cupboard range is complimented by a wide range ofaccessories: • Scaffold systems• Fume cupboard controllers • Automatic sash controllers • Extracted air scrubbers • Fume filters • Fume extraction material and fans • Underbench cabinets

• Standard cabinets • Safety cabinets • Acid and base cabinets

4.2.6 Accessories

4.3 Fume cupboards, laboratory fume cupboard type

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2550

2865

28652865

Tischabzug Tiefabzug

Begehbarer Abzug

Tischabzug Niedrigraum

2865

Abrauchabzug

2865

Radionuklidabzug

Overview of complete fume cupboards, laboratory fume cupboard type

Complete fume cupboards are predefined fume cupboards. Thebasic fittings of the individual types cannot be altered. Completefume cupboards can be supplemented by additional servicesupplies, underbench cabinets and further accessories (Section4.3.1.8 – 4.3.1.10). They meet the basic requirements in

laboratories. Complete fume cupboards have a fixed price and aspecified order number. Modular fume cupboards presented in Section 4.3.2 can be used todesign fume cupboard systems to meet individual requirements.


4.3.1 Complete fume cupboards, laboratory fume cupboard type

The laboratory fume cupboard is the fume cupboard type mainlyused in the laboratory. It can be used for all jobs in the laboratory. It is available in the following variants:• General purpose standard fume cupboards• General purpose distillation fume cupboards • General purpose walk-in fume cupboards• High performance fume cupboards• Radionuclide fume cupboards

The alternative to the laboratory fume cupboard is the industrialfume cupboard. Although specifically designed for the demands oflarge scale industry, it is available to every user that requires extremely large interior dimensions.Both fume cupboard types, laboratory fume cupboard andindustrial fume cupboard, are available in two basically differentvariants:• as a complete fume cupboard – the fume cupboard for

standard applications • as a modular fume cupboard – the fume cupboard for

individual requirements

Standard fume cupboard Distillation fume cupboardStandard fume cupboard for low ceilings

Walk-in fume cupboard Radionuclide fume cupboardHigh performance fume cupboard

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Dimensions: Widths: Except for high performance and radionuclide fume cupboards, all complete fume cupboards are available in widths of 1200 mm, 1500 mm, 1800 mm and 2100 mm. High performancefume cupboards are available in widths of 1200 mm, 1500 mm and1800 mm. Radionuclide fume cupboards are only available inwidths of 1200 and 1500 mm. The internal widths are 100 mmsmaller than the corresponding external widths.

Depths: All fume cupboards have an external depth of 900 mm.The usable depths can be found in the detailed drawings of thecorresponding fume cupboard.

Heights: The exact specifications of the external height can be found in the detailed drawings of the corresponding fume cupboard. The usable heights are summarised in the followingtable.

Fume cupboards with a high design are used most frequently. In these fume cupboards the front and the casing behind it arethe same height. Fume cupboards for low ceilings are used inrooms with a room height under 3 m. They have the same front asfume cupboards with a high design but a lower housing. Thus it is possible to install the extracted air lines completely behind thefront. The fume cupboard for lower ceilings has a lower usableheight than a fume cupboard with a high design but it meets thesame ventilation requirements.

Standard fume cupboard

Distillation fume cupboard

Walk-in fume cupboard

Usable height of fumecupboards for low ceilings

Usable height of fumecupboards, high design

1200 mm

—

1500 mm

1890 mm

— 2400 mm

Usable height of high performanceand radionuclide fume cupboards

1200 mm

—

—


Design: • Interior height 1500 mm • One-piece sash with sliding panels made of laminated safety

glass • Ceramic worktop with funnel-type bowl, both blue-grey

(if over 1800 mm wide: central joint required)• Air flow monitor with pressure transmitter • Interior lighting • Services supplied:

• 4 sockets 230 V/16 A, German• 1 x cold water

• Certified with regard to ventilation to DIN 12924 Part 1

4.3.1.1 Complete fume cupboard, laboratory fume cupboard type: General purpose fume cupboard, high design

388

240

950

655

2608

1500

2865800

1825

900

136

852

1500

720

2550

1400

900

1200

250

900

General purpose fume cupboards, high design

Standard fume cupboards with one-piece sash*

Order no.

2.400.021

Width in mm

1200

2.400.022

2.400.023

1500

1800

2.400.024 2100

Number of sliding panels

2

3

3

4

*You will find EN sets for fitting the fume cupboards in accordance with EN 14175 in Chapter 4.5.

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4.3.1.2 Complete fume cupboard, laboratory fume cupboard type: General purpose fume cupboard, low design (fume cupboard for low ceilings)

Design:• Inside height 1200 mm • Two-piece sash (telescopic) with sliding panels made of

laminated safety glass • Ceramic worktop with funnel-type bowl, both blue-grey

(if over 1800 mm wide: central joint required)• Air flow monitor with pressure transmitter• Interior lighting • Services supplied:



240

655

275950

1500 900

720852

1200

800

1825

2550

136

2308

388

900

1200

900

1400

250

General purpose fume cupboards, low design

Standard fume cupboards for low room heights, with two-piece sash (telescopic)*

Order no.

2.400.025

Width in mm

1200

2.400.026

2.400.027

1500

1800

2.400.028 2100

Number ofsliding doors

2

3

3

4

Design: • Interior height 1890 mm • Two-piece sash (telescopic), bottom with sliding panels made

of laminated safety glass • Ceramic worktop, blue-grey (if over 1800 mm wide: central

joint required) • Air flow monitor with pressure transmitter • Interior lighting • Services supplied:

• 4 sockets 230 V/16 A, German• 1 x cold water • 1 funnel-type bowl, polypropylene, grey (RAL 7035)

• Certified with regard to ventilation to DIN 12924 Part 1 • Built on drawers

4.3.1.3 Complete fume cupboard, laboratory fume cupboard type: General purpose fume cupboard, distillation fume cupboard

240

950

1890

747

2865

900

6301825

1500

872

107

388

2550 2608

510

1200

900

1400

250

1200

Distillation fume cupboards

Distillation fume cupboards with two-piece sash (telescopic), built on drawers*

Order no.

2.400.029

Description

2 900 mm drawers

Widthin mm

1200

2.400.030

2.400.031

2 1200 mm drawers

2 600 mm drawers 2 900 mm drawers

2.400.032 4 900 mm drawers

1500

1800

2100 *You will find EN sets for fitting the fume cupboards inaccordance with EN 14175 in Chapter 4.5.

212

Design: • Interior height 1200 mm • One-piece sash with fixed panel made of laminated safety glass • Ceramic worktop with funnel-type bowl, both blue-grey

(if over 1800 mm wide: central joint required)• Interior lining made of large panels of white ceramic • Air flow monitor with pressure • Interior lighting • Services supplied:

• 4 sockets 230 V/16 A, German• 1 x cold water • 1 x natural gas


4.3.1.5 Complete fume cupboard, laboratory fume cupboard type: High performance fume cupboard with ceramic lining, low design

250

950275

900

792

1825

12002865

240

1500

2550

720

900

136

852

2308

900

1200

1400

High performance fume cupboards with ceramic lining

High performance fume cupboards with one-piece sash and ceramic lining*

Order no.

2.400.037

Width in mm

1200

2.400.038

2.400.039

1500

1800

4.3.1.4 Complete fume cupboard, laboratory fume cupboard type: Walk-in general purpose fume cupboard, high design

Design: • Interior height 2400 mm • Two-piece sash (telescopic), bottom with sliding panels made

of laminated safety glass • Air flow monitor with pressure transmitter • Interior lighting • Services supplied:

• 3 sockets 230 V/16 A, German• 1 x cold water • 1 funnel-type bowl, polypropylene, grey (RAL 7035)


950

747

900

630

1825

2400

2865

1500

388

107

872

2550 2608

250

1200

240

1400

9001200

Walk-in fume cupboards

Walk-in fume cupboards with two-piece sash (telescopic)

Order no.

2.400.033

Width in mm

1200

2.400.034

2.400.035

1500

1800

2.400.036 2100



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4.3.1.6 Complete fume cupboard, laboratory fume type: High performance fume cupboard with polypropylene lining, low design

250

950275

900

792

1825

12002865

240

1500

2550

720

900

136

852

2308

900

1200

1400

High performance fume cupboards with PP lining

High performance fume cupboards with one-piece sash and PP lining*

Order no.

2.400.041

Width in mm

1200

2.400.042

2.400.043

1500

1800


Design: • Interior height 1200 mm • One-piece sash with fixed panel made of polycarbonate • Polypropylene worktop with funnel-type bowl, both blue-grey • Interior lining made of white polypropylene • Air flow monitor with pressure transmitter • Interior lighting • Services supplied:

• 4 sockets 230 V/16 A, German • 1 x cold water • 1 x natural gas



214

Design:• Interior height 1200 mm• One-piece sash with fixed panel made of polyacrylics,

with glove ports• Stainless steel worktop and bowl with upstand edge

and funnel as a duct for liquid wastes• Digital air flow monitor with pressure transmitter• Interior lighting• Services supplied:


• Certified with regard to ventilation according to DIN 12924 Part 1

• Design according to DIN 25466

4.3.1.7 Complete fume cupboard, laboratory fume type: Radionuclide fume cupboard, low design


275950

655

1200

250240

2865

1825

800

900

136

1500

23082550

852

900

720

900

1400

1200

Radionuclide fume cupboards

Radionuclide fume cupboards*

Order no.

2.400.050

Glove ports

2 pieces; ∅ = 140 mm

2.400.0513 pieces; ∅ = 140 mm

Width in mm

1200

1500

Covers for the glove ports are already included in the supply. Werecommend the following gloves as an accessory:Design:• 5-finger glove• Size 9• Gauntlet length 80 cm• Cuff with a diameter of ∅ 160• Material: Latex

Latex gloves for radionuclide fume cupboard

Order no.

7.717.144

Description

1 pair


Service fittings for gas services and vacuum

Design for complete fume cupboards, laboratory fume cupboard type

Order no. Service

3.750.100

3.750.101

All-gas, natural gas, G, push and turn safety device

Propane/butane, LPG, push and turn safety device

3.750.102

3.750.103

Hydrogen, H2

Compressed air, CA

3.750.104

3.750.105

Nitrogen, N2

Argon, Ar

3.750.106

3.750.107

Oxygen, O2

Vacuum, rough, V

3.750.108 Helium, He

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All complete fume cupboards feature basic fittings for servicesupply. It is possible to supply additional services. In thefollowing there are two different types of services: • water services and• gas services.

At the supply facilities for water and gas services there are onlyhand wheels on the column cover, the outlets are installed insidethe fume cupboard.

To supplement the basic fittings (1 water tap), the left fumecupboard column can be fitted with up to 6 taps for water and gasservices, 3 of which are water taps. All taps are coded accordingto the DIN EN 13792 and approved by DVGW (German Associationof Gas and Water Specialists). In addition the respective mediumis printed on the hand wheel.

Note: These taps are not suitable for industrial fume cupboards.

Service fittings for water services

Design for complete fume cupboards, laboratory fume cupboard type, with table height 900 mm

Order no. Service

3.750.117

3.750.115

Process water, cold, non-potable


3.750.116

3.750.111


Process water, hot, non-potable

Overhang in mm

125

175

200

175

3.750.114

3.750.112

Drinking water, cold, potable

Demineralised water, WDC, nickel-plated tap

3.750.109

3.750.173


Demineralised water, WDI, polypropylene tap

3.750.113

3.750.045

Cooling water flow, WCF

Cooling water return flow, WCR

175

125

150

125

4.3.1.8 Additional gas and water taps for complete fume cupboards, laboratory fume cupboard type

Note: These taps are not suitable for industrial fume cupboards.

216



Designs for all distillation and walk-in complete fume cupboards

Order no. Service

3.750.151

3.750.152



3.750.153

3.750.154



Overhang in mm

125

175

200

175

3.750.155

3.750.156



3.750.157

3.750.173



3.750.113

3.750.045



175

125

150

125

All fume cupboards can be fitted with a scaffold system that isfastened to the back panel of the fume cupboard.

Selection:Projecting structures and scaffolding bars:• 2 projecting structures and 4 scaffolding bars per fume

cupboardVertical scaffold rods: • for fume cupboards for low ceilings: 2 rods, length 900 mm• for fume cupboards with DIN height: 2 rods, length 1200 mmHorizontal scaffold rods:• External dimension of the fume cupboard minus 300 mm

Design: Material of the supports: Polypropylene, glass-fibre reinforced Material of the sleeves: Aluminium, high gloss Material of the rods: Stainless steel, V4A Load bearing capacity: 20 kg

4.3.1.9 Scaffold systems for complete fume cupboards, laboratory fume cupboard type

169

306

12

300

260

495

350

300

Scaffold systems for complete fume cupboards

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Scaffold system for fume cupboards

Order no.

3.549.014

Description

2 projecting structures and 4 scaffolding bars

Widthin mm Additional information

for fume cupboards, laboratory fume cupboardtype

6.900.F

6.900.G

Scaffold rod incl. 2 clamps


6.900.H

6.900.K



900

1200

for fume cupboards with gridwidth 1200 mm


1500

1800



Various underbench cabinets can be installed under all fumecupboards with a table height of 900 mm. The following optionscan be installed: • standard underbench cabinets • ventilated acid and base cabinets • ventilated safety cabinets for combustible liquids

Special underbench cabinets for distillation fume cupboards are installed under all distillation fume cupboards (see Section 4.3.1.3).

4.3.1.10 Underbench cabinets for fume cupboards, laboratory fume cupboard type

1199 560

704

Knee space panels for standard fume cupboards

Knee space panels for fume cupboards

Knee space panels can be used whenever underbench cabinets arenot installed under the fume cupboard.

Material of the knee space panel: steel, epoxy powder coated,light grey (similar to RAL 7035).

For safety reasons we recommend ventilating safety and acid andbase cabinets constantly via a separate extracted air line whichoperates regardless of whether the fume cupboard is switched onor not.

If cabinets are not installed under the fume cupboard, werecommend the use of a knee space panel.

218


Knee space panel for standard fume cupboards, laboratory fume cupboard type

Order no. for general purposefume cupboards and high performance fume cupboards

3.200.103

Order no. for radionuclidefume cupboards

3.200.111

3.200.104

3.200.105

3.200.112

—

3.200.107 —

for fume cupboard width in mm

1200

1500

1800

2100

All underbench cabinets from Section 1.2.4 are basically suitableas underbench cabinets. Please note the following when makingyour choice: • The pedestal underbench cabinets must be designed in sitting

height (720 mm). • The required total width equals the external width of the

fume cupboard minus 300 mm. • Every underbench cabinet type must be additionally fitted

with a top panel.

Material of all standard underbench cabinets: steel, epoxy powdercoated, light grey (similar to RAL 7035).

Fume cupboardwidth in mm Underbench cabinet Roofing

sheet

1200

1500

1 underbench cabinet, width 900 mm

1 underbench cabinet, width 1200 mm

900 mm

1200 mm

1800

2100

1 underbench cabinet, width 900 mm1 underbench cabinet, width 600 mm

2 underbench cabinets, width 900 mm

1 x 900 mm1 x 600 mm

2 x 900 mm

The underbench cabinets can be combined freely within theavailable total width. Underbench cabinets with hinged doors arecustomary. A list of the most common fittings is provided in thefollowing table.

Standard underbench cabinets for fume cupboards

Underbench cabinets for fume cupboards

Cabinet order no.

3.507.B3

Top panelorder no.

6.000.261

Front

1 hinged door, mounted right

Cabinet width in mm

600

3.508.C3

3.509.C3

6.000.262

6.000.263

2 hinged doors

2 hinged doors

900

1200

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Any of the underbench cabinet types of the acid and base cabinetscan be selected (Section 3.3). The total width of the underbenchcabinet must be 300 mm narrower than the external width of thefume cupboard. A list of the most common fittings is provided inthe following table.

Fume cupboardwidth in mm Underbench cabinet

1200

1500

1 acid and base underbench cabinet, width 900 mm

1 acid and base underbench cabinet,width 1200 mm

1800

2100

1 acid and base underbench cabinet, width 1200 mm1 side panel 2 x 150 mm

2 acid and base underbench cabinets, width 900 mm

All cabinets are available with built in fan (Section 3.3). We recommend the use of external fans, however, because • external fans do not take up valuable cabinet space, • running noises of external fans are not heard in the

laboratory and • fans should be installed as close as possible to the outlet

(sucking operation).

Additional fume extraction material is required for the operationof acid and base cabinets (Section 6). At assembly at least • 4 m of flexible extract duct • 2 duct clamps must be available for the installation of a cabinet in order tolocate the extract points for the on site ventilation outside thefume cupboard.

Material of all acid and base cabinets: polypropylene (PP), light-grey (similar to RAL 7035).

Underbench acid and base cabinets for fume cupboards

Order no.

3.528.015

Article

Polypropylene acid and base cabinet, with 2 doors

Cabinet width in mm

900

Additional informationen

Without fan

3.529.013

3.200.100


Panel 2 x 150 mm

1200 Without fan

Any of the underbench cabinet types of the underbench safetycabinets in Section 3.4 can be selected. You will also findcabinets with drawers for waste collection there. The total widthof the underbench cabinet must be 300 mm narrower than theexternal width of the fume cupboard. A list of the most commonfittings is provided in the following table.

Fume cupboardswidth in mm Underbench cabinet

1200 mm

1500 mm

1 underbench safety cabinet, width 900 mm

1 underbench safety cabinet, width 1200 mm

1800 mm

2100 mm

1 underbench safety cabinet, width 1200 mm1 side panel 2 x 150 mm

2 underbench safety cabinets, width 900 mm

Underbench safety cabinets require additional fume extractionmaterial for operation (Section 6). At assembly at least • 4 m of flexible extract duct (∅ 75) • 2 duct clampsmust be available for the installation of a cabinet in order tolocate the extract points for the on site ventilation outside thefume cupboard.

Material of all underbench safety cabinets: steel, epoxy powdercoated, light grey (similar to RAL 7035).

Underbench safety cabinets for fume cupboards



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Order no.

3.528.002

Article

Underbench cabinet with internal fittings, door mounted right

Cabinet widthin mm

900

3.528.009

3.528.016

Underbench cabinet with internal fittings, door mounted left

Underbench cabinet with drawer and internal fittings

3.529.006

3.529.018

Underbench cabinet with internal fittings, 2 doors

Underbench cabinet with drawer and internal fittings, hinged door

900

900

1200

1200

3.200.100 Panel 2 x 150 mm


Underbench cabinets for radionuclide fume cupboards

Special underbench cabinets are available for installation underradionuclide fume cupboards. With them it is possible to transportcontaminated wastes through the worktop of the radionuclide

fume cupboard directly into special waste bins. The waste bin canbe optionally equipped with a level monitor that gives a visualand audible warning of overflow.

Underbench cabinets for radionuclide fume cupboards

Order no.

3.500.165

Article

Underbench cabinet for radionuclide fume cupboard

Cabinet widthin mm

900

for fume cupboardwidth in mm

1200

3.509.002 Underbench cabinet for radionuclide fume cupboard 1200 1500

Accessories for underbench cabinets for radionuclide fume cupboards

Order no.

3.480.001

Article

PE waste bin, 10 l, with rapid coupling and shut-off valve

Standard underbench cabinets, underbench acid and base cabinets and underbench safety cabinets can also be installed under radionuclide fume cupboards.

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elCustom assembled modular fume cupboards are assembled withindividual modules according to requirements. Modular fumecupboards can be used to meet requirements that exceed the basicneeds of an average laboratory. It is advisable to leave theassembly of the modules to our planning specialists because the

possibility of mistakes is high. We require detailed information todesign a modular fume cupboard that will fulfill your individualrequirements. We have prepared a form for this purpose found atthe end of this section (Section 4.12). Please feel free to ask usfor help with the assembly of your customised fume cupboard.

Design of general purpose and high performance fume cupboards, laboratory fume cupboard type

4.3.2 Modular fume cupboards, laboratory fume cupboard type


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Design of distillation fume cupboards, laboratory fume cupboard type

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Design of walk-in fume cupboards, laboratory fume cupboard type


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Standard fume cupboard

Distillation fume cupboard

Walk-in fume cupboard

Usable height of fumecupboards for low ceilings

Usable height of fumecupboards, high design

1200 mm

—

1500 mm

1890 mm

— 2400 mm

Usable height of high performanceand radionuclide fume cupboards

1200 mm

—

—

Dimensions: Widths: Except for high performance and radionuclide fume cupboards, all modular fume cupboards are available in widths of 1200 mm, 1500 mm, 1800 mm and 2100 mm. High performance fume cupboards are available in widths of 1200 mm, 1500 mm and 1800 mm. Radionuclide fume cupboardsare only available in widths of 1200 and 1500 mm. The internalwidths are 100 mm less than the corresponding external widths.

Depths: All fume cupboards have an external depth of 900 mm.The usable depths can be found in the detailed drawings of thecorresponding fume cupboard.

Heights: The exact specifications of the external height can befound in the detailed drawings of the corresponding fume cup-board. The usable heights are summarised in the following table.

Fume cupboards with a high design are used most frequently. In these fume cupboards the front and the casing behind it arethe same height. Fume cupboards for low ceilings are used inrooms with a room height under 3 m. They have the same front asfume cupboards with a high design but a lower housing. Thus it is possible to install the extracted air lines completely behind thefront. The fume cupboard for lower ceilings has a lower usableheight than a fume cupboard with a high design but it meets thesame ventilation requirements.

Structure of a modular fume cupboard

A Köttermann modular fume cupboard consists of three major components that can be combined individually: • Interior • Front • Worktop


The overall height of a fully mounted and installed fume cupboardis determined by the following factors:• the height of the fume cupboard carcass (2250 or 2550 mm)• the height of the fully opened sash (2865 or 2380 mm)• the height of the cupboard front (2250 or 2550 mm)• the overall height of the installed fume extraction material.

The following specifications are approximations that must be duly verified in situ during the planning stage. To select thecorrect fume cupboard, it is essential to take all aspects intoconsideration.

When selecting a fume cupboard, observe that the carcass heightplus the overall height of the installed fume extraction material isless than the ceiling height • ceiling height � 3 m: standard carcass height 2550 mm;• ceiling height < 3 m: standard carcass height 2250 mm.

The height of the fully opened sash must not exceed the height ofthe ceiling. • ceiling height � 2.9 m: standard fume cupboard with

standard sash;

• ceiling height 2.4–2.9 m: standard fume cupboard withtelescopic sash;minimum ceiling height for all walk-in and distillation fumecupboards: 2.9 m

The overall height of the cupboard front must not exceed theheight of the ceiling

• ceiling height 2.4–2.6 m: standard fume cupboard withreduced front (2250 mm);

• ceiling height > 2.6 m: standard fume cupboard with standardfront (2550 mm).

Caution: When installing a fume cupboard in laboratories with lowceilings (< 2.6 m), always use flat extraction ducts if the ceilingopening for the extracted air line is lower than the exhaust airsocket.

Before selecting fume cupboards for areas with low ceilings (< 2.9 m) we recommend consulting our engineering team forassistance in choosing suitable cupboards and fume extractionmaterial.


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4.3.2.1 Interior, laboratory fume cupboard type

1400

800

900

800

1500

655

655

800

1200

900

1400

800

Interior of the standard fume cupboard Interior of the fume cupboard for low ceilings (general purpose,high performance and radionuclide fume cupboards)

602

630

747

1890

510

1400

7471200

1400

7471200

2400

630

747

Interior of the distillation fume cupboard Interior of the walk-in fume cupboard

Design: The area of the fume cupboard interior is square with four angledcorners. Sockets mounted inside are installed on the right rearangle. The left rear angle provides space for installing anextracted air line for the ventilated underbench cabinets. The twofront angles are used for gas and water outlets.

Material: General purpose fume Epoxy powder coated steel,cupboards and radionuclide light grey (similar to RAL 7035),fume cupboards: without lining

High performance Epoxy powder coated steel,fume cupboards: light grey (similar to RAL 7035),

lining: made of large panels of ceramic,thickness: 8 mm, colour: white; or made of large panels of polypropylene, thickness: 5 mm, colour: white


226

The side panels of the interior are available in the following designs: • as continuous panel made of coated steel • as panel with cable pass through into the adjoining fume

cupboard or into the laboratory • as panel with glazed pass-through* into the adjoining fume

cupboard or into the laboratory

390

520

80

70

Pass-through

337

125

68

Cable pass-through

Cable pass-throughs and pass-throughs are not available for highperformance cupboards and radionuclide fume cupboards.

*Attention: Pass-throughs in the sides of fume cupboards do notcomply with the standard and must be closed for safe operation.


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4.3.2.2 Fume cupboard fronts, laboratory fume cupboard type

1200/1500/1800/2100

720

150

225

1930

620

Underbench frame150

Front flap

2550

110

275

150 150

2865

1825

870

Front of the standard fume cupboard with one-piece sash

Front of the fume cupboard forlow ceilings with telescopic sash

Side view

The fume cupboard front forms a highly integrated unit that contains almost all the functional elements of the fume cupboard.

Fume cupboard fronts are available in two different designs:• Standard height fume cupboard front (2550 mm)• Reduced height fume cupboard front (2250 mm)

Fronts of the standard height fume cupboard

Functional elements in the fume cupboard front: • One-piece sash with

• Sliding panels • Cable guide • Sash controller

• Front flap for access to • Electrical feed • Fuses and isolation switches• Air flow monitor • Extracted air controller electronics

• Fume cupboard lighting • Fume cupboard columns with

• Service cassette for gases, water and current • Opening height limitation for sash (in standard fume

cupboards)• Underbench frames (for standard fume cupboards) with

• Sockets • Drawers

The exact design of the fume cupboard front is defined byspecifying the desired fittings.


228

150

2865

150

275

1825

620

2550

1930

1200/1500/1800/2100 225

Front flap

1102865

510

Side viewFront of the distillation fume cupboard

Front of the walk-in fume cupboard

Radionuclide fume cupboard 1200/1500

720

150

225

1930

620

Underbench frame150

Front flap

2550

110

275

150 150

2865

1825

870

2865

High performance fume cupboard1200/1500/1800

Side viewFront of the high performancefume cupboard

Front of the radionuclide fume cupboard


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1200/1500/1800/2100

720

150

225

1930

320

Underbench frame150

Front flap

2250

110

275

150 150

2380

1800

870

Front of the reduced height fume cupboard

Front of the reduced height fume cupboard

The reduced height fume cupboard front is only used in laboratories that do not permit the use of the standard front due to their lower overall height. The front is only suitable forstandard fume cupboards with a telescopic sash. Depending on the extract ducting, rooms from an overall height of 2.4 m can be fitted.

Most of the fittings available for fume cupboards for low ceilingswith a standard front height are also available for the reducedheight fume cupboard fronts. These fronts are however notnecessarily illustrated in the diagrams in this catalogue.


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4.3.2.3 Sashes, laboratory fume cupboard type

1200

103

1130 980

103

1200

1130

980

One-piece sash with fixed panel One-piece sash with fixed panel and glove ports

103

1200

388388

388980

1200

103

505

505

1130

388388

388

One-piece sash with sliding panels Two-piece sash with sliding panels for distillation fume cupboard/fixed panel at the top

1200

103

1130980

505

388388388

1200

103

980

980

1130

388388 388

Two-piece sash with sliding panels for distillation fume cupboard Two-piece sash with sliding panels for walk-in fume cupboard

When closed, the sash prevents harmful substances from escaping and protects the user against shattering glass that can result when explosions occur in the fume cupboard. The fume cupboards can be fitted with one of the following six sash variants (s. table).


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Sash variants

Available sashes (only for standard height fume cupboard front 2550 mm) Field of application

Minimum required room heights are approximate values. The exact required room heights are also defined by the selection of the fumeextraction material.

* In compliance with DIN 12924 Part 1, sashes without sliding panels or ports are only admissible in high performance fume cupboards andradionuclide fume cupboards. Their use is technically possible in general purpose fume cupboards but does not comply with DIN.

** This sash type is only available for fume cupboards with an external width of 1200 mm and 1500 mm. It is not suitable for use inhigh performance fume cupboards. Radionuclide fume cupboards require this sash type for approval according to DIN 25466

One-piece sashes with a continuous panel are used wheneverregular access into the interior is not required. In compliance with DIN 12924 Part 1 this sash type is only admissible in highperformance fume cupboards.

Sashes with sliding panels provide optimum bodily protectionbecause they can be pushed together in front of your body whileworking. The number of panels depends on the external width.

External width of thefume cupboard Subdivision of the sash

1200 mm

1500 mm

2 424 mm sliding panels


1800 mm

2100 mm



Two-piece sashes (telescopic sashes) are always used wheneverthe laboratory has a low ceiling height. Walk-in fume cupboards,high performance fume cupboards and fume cupboards with reduced height are generally fitted with telescopic sashes. Two-piece sashes are not suitable for installation in high performancefume cupboards.

One-piece polyacrylic sashes are mandatory in order to fulfil thecriteria of DIN 25466 (radionuclide fume cupboards). They areequipped with glove ports. The glove ports can be closed with polyacrylic covers (included in the supply). It is also possible touse this sash type in general purpose fume cupboards; however

high performance fume cupboards can not be equipped with thistype of one-piece sash.

The following gloves are available as an accessory:

Design:• 5-finger glove• Size 9• Gauntlet length 80 cm• Cuff with a diameter of ∅ 160• Material: Latex

External width of thefume cupboard Ports

1200 mm

1500 mm

2 pieces, ∅ = 140 mm

3 pieces, ∅ = 140 mm

One-piece sash with fixed panel made of laminated safety glassCan be used in all fume cupboards with a table height of 900 mm*;minimally required room height: 2900 mm

One-piece sash with fixed panel made of polycarbonate

One-piece sash with fixed panel made of acrylic glass (PMMA) with glove ports

Can be used in all fume cupboards with a table height of 900 mm*;minimally required room height: 2900 mm

Can be used in all fume cupboards with a table height of 900 mm**;minimally required room height: 2900 mm

One-piece sash with horizontal sliding panels made of laminated safety glass

Two-piece sash for standard fume cupboards (telescopic sash)with horizontal sliding panels made of laminated safety glass

Two-piece sash for distillation and walk-in fume cupboards(telescopic sash) with horizontal sliding panels made of laminated safety glass

Can be used in all fume cupboards with a table height of 900 mm;minimally required room height: 2900 mm

Can be used in all general purpose fume cupboards with a tableheight of 900 mm; minimally required room height: 2600 mm (only in connection with a fume cupboard for low ceilings; also suitable for reduced height fume cupboard fronts)

Can be used in all distillation and walk-in fume cupboards; minimum required room height: 2900 mm


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All one-piece sash types can be fitted with an automatic sashcontroller that provides for more safety and energy saving duringoperation.

The sash controller constantly monitors the working area of thelaboratory fume cupboard via a passive infrared detector (PIR).

4.3.2.4 Automatic sash controller

As soon as the operator moves from the front of the laboratoryfume cupboard, the fully automated closing operation of the sashstarts. A light barrier detects objects that protrude from theinterior over the sash level and stops the closing operation.

4.3.2.5 Front flaps, laboratory fume cupboard type

60

400 50

1500

110

62080

216

Front flap

Above the sash there is a front flap that can be opened forinstallation and maintenance purposes. It conceals electricalcomponents such as the air flow monitor, electrical feed and fusing. The design of the front flap or the components it covers is defined by the specification of the desired fittings.


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4.3.2.6 Electrical feeds, isolators, fuses

The internal electrical wiring is provided by a wiring unit fitted with isolation switches and fuses. These are located above the sash andare mounted behind a transparent cover for easy access.

All feed units are available with an air flow monitor or with a fume extraction control and performance control.

The following internal feed options are available:

FittingsSupply lines Outgoing patch cords

Operation switch/lightTerminal block*

Number

1

Voltage, amperage

400 V/16 A or230 V/16 A

Number

1

Voltage

230 V GST 18/3

Air flow monitor or fume extraction controlTerminal block

Air flow monitor or fume extraction control Terminal block3 230 V/16 A line safety switches

Air flow monitor or fume extraction control Terminal block1 400 V/16 A line safety switch3 230 V/16 A line safety switches

Air flow monitor or fume extraction control Terminal block1 40 A/30 A isolation switch3 230 V/16 A line safety switches

1

1

400 V/16 A or230 V/16 A

400 V/max. 35 A

1

1

400 V/max. 35 A

400 V/max. 35 A

1

3

230 V GST 18/3

230 V GST 18/3

13

1

400 V GST 18/5230 V GST 18/3

230 V GST 18/3

Air flow monitor or fume extraction control Terminal block1 40 A/30 A isolation switch1 400 V/16 A line safety switch3 230 V/16 A line safety switches

1 400 V/max. 35 A13

400 V GST 18/5230 V GST 18/3

*In general, operation of the fume cupboard without an air flow monitor or a fume extraction control is technically possible, but in thiscase the fume cupboard will not comply with the requisite standards.


234

4.3.2.7 Air flow monitor

The function of the air flow monitor is to ensure the trouble-freeoperation of the fume cupboard. If the volumetric flow is too low,the airflow-monitor gives both a visual and audible signal. Theaudible signal is mutable, the visual signal remains active as longas the fault exists. The air flow monitor is compulsory in fumecupboards that comply with the standards.

The air flow monitor is available in the following design: • combined with a pressure sensor and with digital display of

the extract volume (in m3/h)

An air flow monitor with a flow sensor is also available onrequest.

Technical features: • Alarm functions when the extract volume range is too low or

too high• Visual and acoustic alarm (battery-back-up) • Digital display of extract volume or face velocity • Communication with the building management system BMS

via potential-free contacts • for night reduction • for reporting an unsafe operating state

• Commissioning of external equipment such as extracted airscrubbers and fans

• Separate fume cupboard light circuit

Reset

High

OK

Low

Set

Light

I/O

m/s

m³/h

köttermannÿ

Airflow-Monitoring

Air flow monitor display

pote

ntia

l fre

e –

mak

e co

ntac

t fo

r fa

n

light

fum

e cu

pboa

rd

230

V/m

ax 1

6 A

3/N/

PE, 40

0 V,

50 H

z/m

ax 1

6A

– N1 airflow-monitoring– N2 transmitter/sensor– X1 main panel

– X4 panel: digital & analog I/O (wiring – lenght max. 1,5 m/0,14 qmm)

inpu

t se

nsor

(0-

5 V/

DC)

inpu

t sa

sh

inpu

t ni

ght

redu

ctio

n

inpu

t ex

tern

al I

/O

inpu

t ex

tern

al r

eset

outp

ut a

nalo

g(0

-5 V

/DC)

red

yello

wbl

ack

rela

y e

xter

nal v

isua

l ala

rm

rela

y ex

tern

al a

cous

tic

alar

m

rela

y re

serv

e

rela

y sa

sh c

lose

d

rela

y lig

ht f

ume

cupb

oard

rela

y fa

n

– X2 panel: output relays (wiring – lenght max. 2 m/0,25 qmm)

Airflow – Monitoring

digital & analog I/O

output relays

Air flow monitor circuit diagram


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4.3.2.8 Fume extraction control

Köttermann fume cupboards operate with a constant extractvolume regardless of the sash position. Therefore costly controlsfor the room supply air are not required. In many cases the uncontrolled constant volume fume cupboard is the most economical solution.

Fume extraction control is useful whenever all the fume cupboardscombined extract more air out of the room than the prescribedlaboratory air change. In this case the expensive preconditionedair would be wasted and unnecessary costs incurred.

Fume extraction controls take advantage of the fact that therecommended extract volume for fume cupboards is designed forthe worst operating state – operation with fully opened sash. Ifthe sash of an uncontrolled fume cupboard is closed, the inflowarea is reduced so that the face velocity through the sash level isincreased when volumetric flow is constant. This high face velocity is not necessary for a safe operating state.

Fume extraction controls ensure that the extracted air volumetricflow is regulated depending on the sash opening by a motorisedcontrol damper. In this way, for every operating state of the fumecupboard, only the minimum quantity of air is extracted from thelaboratory that is required for safe operation of the fume cupboard. Fume cupboards with closed sash require less air thanfully opened ones.

Köttermann offer two different fume extraction controls: • The two-point control distinguishes between “sash open”

and “sash closed” and regulates the extracted air betweentwo setpoint values, the maximum and the minimum value.

• The continuous control adjusts the extract volume exactly tothe sash opening and regulates the extracted air between theminimum and maximum values.

All control system parameters, including the extracted air volumemonitoring and alarming in accordance with DIN 12924, Part 1,can be custom configured with a service module or a personalcomputer (PC) on site.

To save energy we recommend always using the fume extractioncontrol together with an automatic sash controller because theextracted air volume reaches its minimum value only when thesash is closed.

Specifications: • Constant face velocity • Control time: under 2 s • Direct servo motor actuation • Redundant sensor monitoring • Predictive control algorithm • Can be freely parameterised• Automatic self-learning mode • Printout of all system data • Diagnosis function • DDC connection • Local control inputs • Remote control inputs (4 inputs) • Potential-free relay outputs • 2 standardised analog outputs

We are happy to provide the exact control specifications as well asthe ventilation values for controlled fume cupboards on request.

Note: Fume cupboard controls are generally not compatible withevery fume cupboard type. We are happy to help you put togethersolutions to meet your individual requirements.


236

4.3.2.10 Power supply, laboratory fume cupboard type

4.3.2.9 Fume cupboard columns, laboratory fume cupboard type

350

7575

75

75

720

2550 350

3501930225

125

275

Fume cupboard column with service cassettes

On the front side the fume cupboard columns contain the servicecassettes which can have sockets, switches and service controltaps. If only few services are required, the fume cupboard can beequipped with one-piece column covers instead of servicecassettes. Service outlets, for example gas or water cocks, are

Fume cupboards have four areas where electrical components can be installed:

Areas for electrical components

Underbench frame

Right fume cupboardcolumn

For 230 V sockets (only for standardfume cupboards with table height of900 mm)

For diverse service cassettes

Rear panel of theinterior

Distillation fumecupboard underbench cabinet

For 230 V sockets mounted inside,switchable from the outside

Including 2 x 2 230 V sockets

7575

75

75

2550

1930225

125

275

Fume cupboard column with one-piece column cover

located on the inner side of the fume cupboard columns. The sashcounterweights are inside the fume cupboard columns. Theremaining space is used for pipe work. The exact design of thefume cupboard columns is defined by the required fittings.


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Electrical services in the underbench frame

The underbench frame is available in the following variations forstandard fume cupboards in all fume cupboard widths:

Underbench frame for fume cupboards withtable height of 900 mm:

• Underbench frame, empty • Underbench frame with 1 drawer• Underbench frame with 4 230 V/16 A sockets• Underbench frame with 1 drawer and 4 230 V/16 A sockets• Underbench frame with service cassettes for custom

equipping (analogous to the modular frame of the industrialfume cupboard, see Section 4.4.2.10)

Underbench frames with drawers can not be used in radionuclidefume cupboards.

The right-hand fume cupboard column can be fitted with up to three service cassettes* that are equipped with electricalcomponents. A one-piece column cover without services or withthree sockets can be used alternatively.

Service cassettes equipped with electricalcomponents:

• 2 230 V/16 A sockets• 3 230 V/16 A sockets• 4 230 V/16 A sockets inside, switchable from the outside • 8 230 V/16 A sockets inside, switchable from the outside • 1 400 V/16 A CEE socket• 2 400 V/16 A CEE sockets• 1 400 V/32 A CEE socket• 1 Emergency off button • 1 Emergency off key switch • 1 in-wall outlet • 2 in-wall outlets

100

350

22

Service cassettes equipped with electrical components

If only a small number of liquid services is required in the left-hand fume cupboard column, electrical cassettes can be partiallyinstalled there as well.

720

150

1200

900150 150

500835

Underbench frame

Service cassettes for sockets mounted inside and switchable fromthe outside can only be installed in the right-hand fume cupboardcolumn.

Fume cupboard width in mm Width of the drawer in mm

1200

1500

600

900

1800

2100

1200

1200

*The exact maximum number of electrical and fluid services results from their combination and must be determined in individual cases.

Electrical services in the right fume cupboard column


238

*The exact maximum number of electrical and fluid services resultsfrom their combination and must be determined in individual cases.

4.3.2.11 Gas and water taps for fume cupboards

The fume cupboard columns can be fitted with water and gas taps.The left-hand fume cupboard column can contain up to 6 taps*for water and gas services, no more than 3 of which are for water.The right fume cupboard column can be fitted with up to 6 taps*

for gas services. All taps are coded according to the DIN EN13792. In addition the respective service is printed on the handwheel.

Service cassettes with water taps: • Cold water • Hot water • Drinking water, cold • Demineralised water • Distilled water • Cooling water flow • Cooling water return flow

Service cassettes with taps for gases and for vacuum: • Natural gas, G • Propane/butane, LPG • Hydrogen, H2 • Compressed air, CA • Nitrogen, N2 • Argon, Ar • Oxygen, O2 • Low vacuum, V • Helium, He

100

350

22

Service cassette with gas and water taps

4.3.2.12 High-purity gas taps for fume cupboards

The high-purity gas taps listed here are used as outlets for high-purity gases from central gas supply systems.

Two materials are basically used: Brass: for non-aggressive gases up to purity class 6.0 Stainless steel: for aggressive gases up to purity class 6.0

The following back pressure ranges are available:• 1.5 bar• 4 bar• 10 barThe maximally admissible supply pressure is 40 bar.

The following variant is available: • Taps with pressure reducer and shut-off valve

The outlet pressure of the tap is regulated by teh pressurereducer and maintained at a constant level. The flow rate onthe outlet side can only be controlled by changing the outletpressure. The gas flow can be interrupted by a shut-off valveon the inlet pressure side.

• Taps with pressure reducer, control valve and shut-offvalve The outlet pressure of the tap is reduced by the pressurereducer under the system pressure of the central supply

Service cassette for fume cupboard column with high-purity gas tap

system and maintained at a constant level. The flow rate ofthe gas can be controlled by a control valve or interrupted by a shut-off valve.

Further variants on request. Taps with flame arrestor have to beused for acetylene.

100

350

22


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We require the following information in order to select thesuitable gas tap: • Gas type and purity • Requested back pressure range • Material of the tap and supply lines• Information on installation conditions

The following built-in variations are available:• Operational control in left fume cupboard column, outlets

inside on the left (maximum of 3 per column)• Operational control in the underbench frame, outlets inside

on the right (maximum of 6 per frame)

We can prepare a customised quote for the supply system basedon this information.

4.3.2.13 Worktops for fume cupboards, laboratory fume cupboard type

810

35

1394

b

a

c

Ceramic worktop for standard fume cupboards

100 3850

298

104

810

1394

Stainless steel worktop for radionuclide fume cupboards

Worktops are available with or without a funnel-type bowl. Both designs come in various materials. All types have a marine edge. The properties of the individual worktop materials are described in Section 1.8.

The diagrams show an example of a solid ceramic worktop and its dimensions as well as a stainless steel worktop for radionuclidefume cupboards. The technical design of the bowl and the worktopshapes of other worktops vary from the depicted worktop. Exactdimensions are available on request.

Note: Ceramic worktops over 1800 mm wide require a central joint.

1208

35

690

Ceramic worktop for distillation fume cupboards

High-purity gas taps for fume cupboards

Description

with pressure reducer and shut-off valve

Material

Brass


with pressure reducer, shut-off and control valve

Stainless steel

Brass


with pressure reducer and flame arrestor, without control valve, for acetylene

Stainless steel

Brass

In standard cases we use DRUVA high-purity gas taps (Type Lab 3000). Taps from other manufacturers are available on request.


240

Worktop and bowl materials for modular fume cupboards:

Worktops generally have a minimum load bearing capacity of 200 kg per m2. Installed in radionuclide fume cupboards, worktops forradionuclide fume cupboards have a minimum load bearing capacity of 1500 kg per m2.

Worktop material Bowl material/model Bowl dimensions

Solid ceramic Ceramic

a in mm

96

Composite ceramic

Brown laboratory tiles

Polypropylene

Trespa Toplab Plus®

Polypropylene (PPS)

Polypropylene (PPS)

86

86

Polypropylene (PPS)

Polypropylene (PPS)

86

86

Epoxy

Stainless steel

Stainless steel with worktop pass-through forradionuclide fume cupboards*, optionally withlead protection on the underside

Epoxy

Stainless steel

70

80

Stainless steel 80

b in mm

246

c in mm

165

250

250

165

165

250

250

165

165

146

324

122

130

324 130

* Radionuclide fume cupboards comply with DIN 25466 only when this worktop type is installed.


Design: Material of the supports: Polypropylene, glass-fibre reinforced Material of the sleeves: Aluminium, high gloss Material of the rods: Stainless steel, V4ALoad bearing capacity: 20 kg

4.3.2.14 Scaffold systems for fume cupboards, laboratory fume cupboard type

169

306

12

300

260

495

350

300

Scaffold system

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4.4 Fume cupboards, industrial fume cupboard type

The industrial fume cupboard was specially developed for thedemands of large scale industry. With regard to blow-out safety it complies with all requirements of DIN EN 14175 Part 3 and DIN 12924 Part 1, however it deviates in some points from thepreferred dimensions of the DIN standard. The industrial fumecupboard is an attractive alternative for all users that requireextremely large interior dimensions.

Similar to laboratory fume cupboards, industrial fume cupboardsare available in two basically different variations:• as a complete fume cupboard – the fume cupboard for

standard applications• as a modular fume cupboard – the fume cupboard for

individual requirements

4.4.1 Complete fume cupboards, industrial fume cupboard type

0

900

2865

Standard fume cupboard Walk-in fume cupboard

2865

900

Overview of complete fume cupboards, industrial fume cupboard type

Complete fume cupboards are predefined fume cupboards. Thebasic fittings of the individual types cannot be altered. Completefume cupboards can be supplemented by additional servicesupplies, underbench cabinets and further accessories (Section 4.4.1.3 – 4.4.1.5). They meet the basic requirements in

laboratories. Complete fume cupboards have a fixed price and aspecified order number. Modular fume cupboards presented in Section 4.4.2 can be used todesign fume cupboard systems to meet individual requirements.

Dimensions of industrial fume cupboards

Width

Externaldimensions

1200 mm

Usable dimensions

1100 mm

1500 mm

1800 mm

1400 mm

1700 mm

2000 mm

2100 mm

1900 mm

2000 mm

Height

Depth

2820 mmStandard fume cupboard 1700 mm

Walk-in fume cupboard 2600 mm





Detailed dimensions can be found in the corresponding diagrams



242

Design:• Depth: 950/1050 mm, usable depth 800/900 mm• Interior height: 1700 mm• One-piece sash with sliding panels made of laminated

safety glass• Ceramic worktop with funnel-type bowl, both blue-grey

(if over 1800 mm wide: central joint required)• Digital air flow monitor with pressure transmitter• Interior lighting• Services supplied:



4.4.1.1 Complete fume cupboard, industrial fume cupboard type: General purpose fume cupboard

388

290

1000/1100

2878

1700

800/900

1825

950/1050

725

1500

720

2820

1400

950/1050

1200

250

900

100

Standard fume cupboards, industrial type fume cupboard

Standard fume cupboards with standard depth (950 mm),industrial fume cupboard type*

Order no.

2.400.071

Width in mm

1200

2.400.072

2.400.073

1500

1800

2.400.074

2.400.075

2000

2100


2

3

3

4

4

Standard fume cupboards, extra-deep (1050 mm), industrial fume cupboard type*

Order no.

2.400.076

Width in mm

1200

2.400.077

2.400.078

1500

1800

2.400.079

2.400.080

2000

2100


2

3

3

4

4



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290

1000/1100

2878

2600

1825

950/10501500

2820

1400

950/1050

1200

250

630/730157

872

747/847388

Design:• Depth: 950/1050 mm• Interior height 2600 mm• Two-piece sash, in the bottom section sliding panels made of

laminated safety glass• Digital air flow monitor with pressure transmitter• Interior lighting• Services supplied

• 3 sockets 230 V/16 A• 1 x cold water• 1 funnel-type bowl, polypropylene, grey (RAL 7035)


Walk-in general purpose fume cupboards, industrial fume cupboard type

Walk-in fume cupboards with standard depth (950 mm),industrial fume cupboard type

Order no.

2.400.081

Width in mm

1200

2.400.082

2.400.083

1500

1800

2.400.084

2.400.085

2000

2100


2

3

3

4

4

Standard fume cupboards, extra-deep (1050 mm), industrial fume cupboard type

Order no.

2.400.086

Width in mm

1200

2.400.087

2.400.088

1500

1800

2.400.089

2.400.090

2000

2100


2

3

3

4

4

4.4.1.2 Complete fume cupboard, industrial fume cupboard type: Walk-in general purpose fume cupboard


244

All complete fume cupboards feature basic fittings for servicesupply. It is possible to supply additional services with servicecassettes. In the following there are three different types ofservices: • electrical services, • water services and• gas services.

At the supply facilities for water and gas services there are onlyhand wheels on the service cassette, the outlets are installedinside the fume cupboard.

4.4.1.3 Additional service supply on service cassettes for fume cupboards, industrial fumecupboard type

100

350

22

Service cassettes

Additional power supply for complete fumecupboards

Up to 2 service cassettes for electrical services can be added to the right fume cupboard column of complete fume cupboards.For example a complete fume cupboard can be upgraded with 2 additional service cassettes with 3 sockets each so that a totalof 10 sockets are available. Note: Sockets that are connectable from the outside cannot bemounted inside complete fume cupboards. This option is onlyavailable for modular fume cupboards.

Service cassettes with sockets for fume cupboards

Order no.

3.225.014

Description

2 sockets, German, 230 V/16 A

3.225.013

3.225.022

3 sockets, German,230 V/16 A

1 CEE-socket, 400 V/16 A

3.225.0232 CEE-sockets, 230 V/16 A

To supplement the basic fittings (1 water tap), the left fumecupboard column can be fitted with up to 2 service cassettes.Thus it is possible to fit the cupboards with up to 6 taps for waterand gas services, 3 of which are water taps. All taps are coded

Service fittings for gas services and vacuum

Design for complete fume cupboards, industrial fume cupboard type

Order no. Service

3.750.130

3.750.131

All-gas, natural gas, G, push and turn safety device

Propane/butane, LPG, push and turn safety device

3.750.132

3.750.133

Hydrogen, H2

Compressed air, CA

3.750.134

3.750.135

Nitrogen, N2

Argon, Ar

3.750.138

3.750.136

Oxygen, O2

Vacuum, rough, V

3.750.137 Helium, He

Complete fume cupboards can also be fitted with high-purity gas taps on request (see Sec. 4.4.2.12) Note: These taps are not suitable for laboratory fume cupboards.

according to the new DIN/EN 13792 and approved by DVGW(German Association of Gas and Water Specialists). In addition therespective medium is printed on the hand wheel.

Additional gas and water taps for complete fume cupboards, industrial fume cupboard type


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Note: These taps are not suitable for laboratory fume cupboards.


Design for complete fume cupboards, industrial fume cupboard type, with table height 900 mm

Order no. Service Overhang in mm

3.750.121

3.750.122



3.750.123

3.750.124



125

175

200

175

3.750.160

3.750.125



3.750.126

3.750.184

Dimineralised water, WDC, nickel-plated tap

Distilled water, WDI, polypropylene tap

3.750.161

3.750.045



175

125

150

125


Designs for all walk-in complete fume cupboards

Order no. Service

3.750.151

3.750.152



3.750.153

3.750.154



Overhang in mm

125

175

200

175

3.750.155

3.750.156



3.750.157

3.750.173



3.750.113

3.750.045



175

125

150

125


246


Selection:Projecting structures and scaffolding bars:• 2 projecting structures and 6 scaffolding bars per fume

cupboardVerticale scaffold rods: • 2 rods, length 1600 mmHorizontal scaffold rods:• External dimension of the fume cupboard less 300 mm

Design: Material of the supports: Polypropylene, glass-fibre reinforced Material of the sleeves: Aluminium, high gloss Material of the rods: Stainless steel, V4A Load bearing capacity: 20 kg

4.4.1.4 Scaffold system for complete fume cupboards, industrial fume cupboard type

290

1000/1100

2878

2600

1825

2820

1400

950/1050

1200

250

630/730157

872

747/847388

Scaffold system for industrial fume cupboards

Scaffold system for fume cupboards

Order no.

3.549.015

Description

2 projecting structures and 6 scaffolding bars

Widthin mm Additional information

for fume cupboards, industrial fume cupboard type

6.900.M

6.900.F



6.900.G

6.900.H



1600

900

Vertical rod for all fume cupboard widths


1200

1500



6.900.K Scaffold rod incl. 2 clamps 1800for fume cupboards with gridwidth 2000/2100 mm

Vertical rods (order no. 6.900.M) can not be used in laboratory fume cupboards.


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Various underbench cabinets can be installed under all fumecupboards with a table height of 900 mm. The following optionscan be installed: • standard underbench cabinets • ventilated acid and base cabinets • ventilated safety cabinets for combustible liquids

4.4.1.5 Underbench cabinets for fume cupboards, industrial fume cupboard type

Knee space panels for industrial fume cupboards

Knee space panels for fume cupboards

Knee space panels are available whenever underbench cabinets arenot installed under the fume cupboard.

Material of the knee space panel: steel, epoxy powder coated,light grey (similar to RAL 7035).

For safety reasons we recommend ventilating safety and acid andbase cabinets constantly via a separate extracted air line whichoperates regardless of whether the fume cupboard is switched onor not.

If cabinets are not installed under the fume cupboard, werecommend the use of a knee space panel.

290

1000/1100

2878

2600

1825

2820

950/1050

1200

250/315

630/730157

872

747/847388

Knee space panels for standard fume cupboards, industrial type fume cupboard

Order no.

3.200.075

for fume cupboard width in mm

1200

3.200.076

3.200.077

1500

1800

3.200.078

3.200.079

2000

2100

These knee space panels can not be used in laboratory fume cupboard type fume cupboards.


248

All underbench cabinets for the plinth system in seated workingheight from Section 1.2.6 are basically suitable as underbenchcabinets. Underbench cabinets can be installed under the entirelength of the industrial fume cupboards. Every underbench cabinetmust be additionally fitted with a roof when installed under thefume cupboards. A list of the most common cabinet types is provided in the following table. Plinth legs and plinth must beplanned additionally (Section 1.7.5).

Material of all standard underbench cabinets: steel, epoxy powdercoated, light grey (similar to RAL 7035).

The underbench cabinets can be combined freely within theavailable total width. Underbench cabinets with hinged doors arecustomary.

Standard underbench cabinets for industrial fume cupboards

Underbench cabinets for fume cupboards

Cabinet order no.

3.507.007

Top panelorder no.

6.000.261

Front

1 hinged door, mounted right

Cabinet width in mm

600

3.508.011

3.509.011

6.000.262

6.000.263

2 hinged doors

2 hinged doors

900

1200

Any of the underbench cabinet types of the acid and base cabinetscan be selected (Section 3.3). Underbench cabinets can be installed under the entire width of the undustrial fume cupboards.

All cabinets are available with built in fan (Section 3.3). We recommend the use of external fans, however, because • external fans do not take up valuable cabinet space, • running noises of external fans are not heard in the

laboratory and • fans should be installed as close as possible to the outlet

to keep the ductwork under negative pressure.

Additional fume extraction material is required for the operationof acid and base cabinets (Section 6). At assembly at least • 4 m of flexible extract duct • 2 duct clamps must be available for the installation of a cabinet in order tolocate the extract points for the on site ventilation outside thefume cupboard.

Material of all acid and base cabinets: polypropylene (PP), light grey (similar to RAL 7035).


Order no.

3.528.015

Article


Cabinet width in mm

900

Additional information

Without fan

3.529.013

3.200.100


Panel 2 x 150 mm

1200 Without fan

Underbench acid and base cabinets for industrial fume cupboards


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Any of the underbench cabinet types of the underbench safetycabinets in Section 3.4 can be selected. You will also findcabinets with drawers for waste collection there. Underbench cabinets can be installed under the entire width of the industrialfume cupboards.

Underbench safety cabinets require additional fume extractionmaterial for operation (Section 6). At assembly at least • 4 m of flexible extract duct (∅ 75) • 2 duct clampsmust be available for the installation of a cabinet in order tolocate the extract points for the on site ventilation outside thefume cupboard.


Order no.

3.528.002

Article

Underbench cabinet with internal fittings, door mounted right

Cabinet widthin mm

900

3.528.009

3.528.016

Underbench cabinet with internal fittings, door mounted left

Underbench cabinet with drawer and internal fittings

3.529.006

3.529.018

Underbench cabinet with internal fittings, 2 doors

Underbench cabinet with drawer and internal fittings, hinged door

900

900

1200

1200

3.200.100 Panel 2 x 150 mm

Material of all underbench safety cabinets: steel, epoxy powdercoated, light grey (similar to RAL 7035).

Underbench safety cabinets for industrial fume cupboards


250

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Wor

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Unde

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et

One-

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Side

pan

el

Unde

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ch f

ram

e

Fron

t

Custom assembled modular fume cupboards are assembled withindividual modules according to requirements. Modular fumecupboards can be used to meet requirements that exceed the basicneeds of an average laboratory. It is advisable to leave theassembly of the modules to our planning specialists because the

possibility of mistakes is high. We require detailed information todesign a modular fume cupboard that will fulfill your individualrequirements. We have prepared a form for this purpose found atthe end of this section (Section 4.13). Please feel free to ask usfor help with the assembly of your customised fume cupboard.

Design of standard fume cupboards, industrial fume cupboard type

4.4.2 Modular fume cupboards, industrial fume cupboard type


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Design of walk-in fume cupboards, industrial fume cupboard type

Structure of a modular fume cupboard A Köttermann modular fume cupboard consists of three majorcomponents that can be combined individually: • Interior • Front • Worktop

Unlike laboratory type fume cupboards, industrial fume cupboardshave a special support frame that enables the installation ofunderbench cabinets under the entire grid dimension of the fumecupboard.

Dimensions of industrial fume cupboards

Width

Externaldimensions

1200 mm

Usable dimensions

1100 mm

1500 mm

1800 mm

1400 mm

1700 mm

2000 mm

2100 mm

1900 mm

2000 mm

Height

Depth







Detailed dimensions can be found in the corresponding diagrams.


252

4.4.2.1 Interior, industrial fume cupboard type

1700

800/900

1400

900

800/900

2600

1400

1200747/847

630/730

747/847

Interior of the standard fume cupboard, industrial fume cupboard type

Interior of the walk-in fume cupboard, industrial fume cupboard type

Design:The area of the fume cupboard interior is square with four angledcorners. Sockets mounted inside are installed on the right rearangle. The left rear angle provides space for installing an extrac-ted air line for the ventilated underbench cabinets. The two frontangles are used for gas outlets. The water outlets are on the rearleft in the back panel.

Cable pass-through

Material: Epoxy powder coated steel, light grey (similar to RAL 7035)

Pass-through

390

520

80

70

337

125

68


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The side panels of the interior are available in the followingdesigns: • as continuous panel made of coated steel • as panel with cable pass through into the adjoining fume

cupboard or into the laboratory • as panel with glazed pass-through* into the adjoining fume

cupboard or into the laboratory

*Attention: Pass-throughs in the fume cupboard sides do not comply with the standards and must be closed for safe operation.

4.4.2.2 Fume cupboard fronts, industrial fume cupboard type

1200/1500/1800/2000/2100

225

1930

890

Underbench frame150

Front flap

2820

110

720

150

275

150 150

2865

1825

870

Front of the standard fume cupboard, industrial fume cupboard type

1200/1500/1800/2000/2100 225

1930

890 Front flap

2820

110

275

150 150

2865

1825

Front of the walk-in fume cupboard, industrial fume cupboard type


254

Functional elements in the fume cupboard front: • One-piece sash with

• Sliding panels • Cable guide • Sash controller

• Front flap for access to • Electrical feed • Fuses and isolation switches• Air flow monitor • Extracted air controller electronics

• Fume cupboard lighting • Fume cupboard columns with

• Service cassette for gases, water and current • Opening height limitation for sash (in standard fume cupboards)

• Underbench frames (for standard fume cupboards) with • Sockets • Drawers

The exact design of the fume cupboard front is defined by specifying the desired fittings.

The fume cupboard front forms a highly integrated unit that contains almost all the functional elements of the fume cupboard.

4.4.2.3 Sashes, industrial fume cupboard type

1200

103

1130 980

103

1200

388388

388980

One-piece sash with fixed panel

One-piece sash with sliding panels

1200

103

980

980

1130

388388 388

Two-piece sash with sliding panels for walk-in fume cupboard

When closed, the sash prevents harmful substances from escaping and protects the user against shattering glass that can result when explosions occur in the fume cupboard. The fume cupboards can be fitted with one of the following three sash types (s. table).


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Sash variants:

One-piece sash with fixed panel made of laminated safety glass*

can be used in standard fume cupboards

One-piece sash with horizontal sliding panels made of laminated safety glass*

Two-piece sash (telescopic sash) for walk-in fume cupboards,one panel with horizontal sliding panels made of laminatedsafety glass

can be used in standard fume cupboards

can be used in walk-in fume cupboards

Available sashes Field of application

*In compliance with DIN, sashes without sliding panels or ports are only permissible in high performance fume cupboards. Their use istechnically possible in general purpose industrial fume cupboards but does not comply with DIN.

One-piece sashes with a continuous panel are used wheneverregular access into the interior is not required. In compliance with DIN this sash type is only admissible in high performancefume cupboards.

Sashes with sliding panels provide optimum bodily protectionbecause they can be pushed together in front of your body whileyou work. The sash is subdivided depending on the external width.

All one-piece sashes of the standard fume cupboards can be fittedwith an automatic sash controller that provides for more safetyand energy savings during laboratory operation.

The sash controller constantly monitors the working area of thelaboratory fume cupboard via a passive infrared detector (PIR).

4.4.2.4 Automatic sash controller

As soon as the operator moves from the front of the industrialfume cupboard, the fully automated closing operation of the sashstarts. A light barrier detects objects that protrude from theinterior over the sash level and stops the closing operation.

External width of thefume cupboard Subdivision of the sash

1200 mm

1500 mm



1800 mm

2000 mm

2100 mm





256

60

110

895

80

150150

4.4.2.5 Front flaps, industrial fume cupboard type

Front flap of industrial fume cupboards

Above the sash there are two front flaps over the fume cupboardcolumns. These flaps can be opened for installation and maintenance purposes. They conceal electrical components suchas the air flow monitor, electrical feed and fusing. Fuses aremounted behind a hinged transparent cover for easy access.

4.4.2.6 Electrical feeds, isolators, fusesThe internal electrical wiring is provided by a feed unit fitted with isolation switches and fuses. They are located behind the front flap and are mounted behind a transparent cover for easy access. All feeds units are available with air flow monitors or with a fume extraction control and performance control.

The following internal feed options are available:

FittingsSupply lines Outgoing patch cords

Operation switch/lightTerminal block*

Number

1

Voltage, amperage

400 V/16 A or230 V/16 A

Number

1

Voltage

230 V GST 18/3

Air flow monitor or fume extraction controlTerminal block

Air flow monitor or fume extraction controlTerminal block3 230 V/16 A line safety switches

Air flow monitor or fume extraction controlTerminal block1 400 V/16 A line safety switch3 230 V/16 A line safety switches

Air flow monitor or fume extraction control Terminal block1 40 A/30 mA isolation switch3 230 V/16 A line safety switches

1

1

400 V/16 A or230 V/16 A

400 V/max. 35 A

1

1

400 V/max. 35 A

400 V/max. 35 A

1

3

230 V GST 18/3

230 V GST 18/3

13

1

400 V GST 18/5230 V GST 18/3

230 V GST 18/3

Air flow monitor or fume extraction controlTerminal block1 40 A/30 mA isolation switch1 400 V/16 A line safety switch3 230 V/16 A line safety switches

1 400 V/max. 35 A13

400 V GST 18/5230 V GST 18/3

*In general, operation of the fume cupboard without an air flow monitor or a fume extraction control is technically possible, but in thiscase the fume cupboard will not comply with the standards and will not correspond to state-of-the-art technology.


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4.4.2.7 Air flow monitor

The function of the air flow monitor is to ensure the trouble-freeoperation of the fume cupboard. If the volumetric flow is too low,the airflow-monitor gives both a visual and audible signal. Theaudible signal is mutable, the visual signal remains active as longas the fault exists. The air flow monitor is compulsory in fumecupboards that comply with the standards.

The air flow monitor is available in the following design: • combined with a pressure sensor and with digital display of

the current extract volume (in m3/h)

An air flow monitor with a flow sensor is also available onrequest.

Technical features: • Alarm functions when the extract volume range is too low

or too high• Visual and acoustic alarm (battery-back-up) • Digital display of extract volume or face velocity • Communication with the building management system BMS

via potential-free contacts • for night reduction • for reporting an unsafe operating state

• Commissioning of external equipment such as extracted airscrubbers and fans

• Separate fume cupboard light circuit

Reset

High

OK

Low

Set

Light

I/O

m/s

m³/h

köttermannÿ

Airflow-Monitoring

Air flow monitor display

Air flow monitor circuit diagram

pote

ntia

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mak

e co

ntac

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r fa

n

light

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e cu

pboa

rd

230

V/m

ax 1

6 A

3/N/

PE, 40

0 V,

50 H

z/m

ax 1

6A

– N1 airflow-monitoring– N2 transmitter/sensor– X1 main panel

– X4 panel: digital & analog I/O (wiring – lenght max. 1,5 m/0,14 qmm)

inpu

t se

nsor

(0-

5 V/

DC)

inpu

t sa

sh

inpu

t ni

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inpu

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tern

al I

/O

inpu

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al r

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-5 V

/DC)

red

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rela

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xter

nal v

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rm

rela

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tern

al a

cous

tic

alar

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rela

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serv

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rela

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lose

d

rela

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ht f

ume

cupb

oard

rela

y fa

n

– X2 panel: output relays (wiring – lenght max. 2 m/0,25 qmm)

Airflow – Monitoring

digital & analog I/O

output relays


258

4.4.2.8 Fume extraction control

Köttermann fume cupboards are operated with a constant extract volume regardless of the sash position. Therefore costlycontrols for the room supply air are not required. In many casesthe fume cupboard with uncontrolled constant volume is the mosteconomical solution.

Fume extraction control is useful whenever all the fume cupboardscombined extract more air out of the room than the prescribedlaboratory air change. In this case the expensive preconditionedair would be wasted and unnecessary costs incurred.

Fume extraction controls take advantage of the fact that therecommended extract volume for fume cupboards is designed forthe worst operating state – operation with fully opened sash. Ifthe sash of an uncontrolled fume cupboard is closed, the inflowarea is reduced so that the face velocity through the sash level isincreased when volumetric flow is constant. This high face velocity is not necessary for a safe operating state.

Fume extraction controls ensure that the extracted air volumetricflow is regulated depending on the sash opening by a motorisedcontrol damper. In this way, for every operating state of the fumecupboard, only the minimum quantity of air is extracted from thelaboratory that is required for safe operation of the fumecupboard. Fume cupboards with closed sash require less air thanfully opened ones.

Köttermann offer two different fume extraction controls: • The two-point control distinguishes between “sash open”

and “sash closed” and regulates the extracted air betweentwo setpoint values, the maximum and the minimum value.

• The continuous control adjusts the extract volume exactly tothe sash opening and regulates the extracted air between theminimum and maximum values.

All control system parameters, including the extracted air volumemonitoring and alarming in accordance with DIN 12924, Part 1,can be custom configured with a service module or a personalcomputer (PC) on site.

To save energy we recommend always using the fume extractioncontrol together with an automatic sash controller because theextracted air volume reaches its minimum value only when thesash is closed.

Specifications: • Constant face velocity • Control time: under 2 s • Direct servo motor actuation • Redundant sensor monitoring • Predictive control algorithm • Can be freely parameterised• Automatic self-learning mode • Printout of all system data • Diagnosis function • DDC connection • Local control inputs • Remote control inputs (4 inputs) • Potential-free relay outputs • 2 standardised analog outputs

We are happy to provide the exact control specifications as well asthe ventilation values for controlled fume cupboards on request.

Note: Fume cupboard controls are generally not compatible withevery fume cupboard type. We are happy to help you put togethersolutions to meet your individual requirements.


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4.4.2.9 Fume cupboard columns, industrial fume cupboard type

Fume cupboard column

On the front side the fume cupboard columns contain the servicecassettes which can have sockets, switches and tap control.Service outlets, for example gas or water cocks, are located on theinner side of the fume cupboard columns. The sash counterweightsare inside the fume cupboard columns. The remaining space isused for pipe work. The exact design of the fume cupboardcolumns is defined by the required fittings.

Fume cupboards have three areas where electrical components can be installed:

4.4.2.10 Power supply, industrial fume cupboard type

Areas for electrical components

Underbench frame

Right fume cupboardcolumn

for 230 V sockets (only for standardfume cupboards with table height of900 mm)

for diverse service cassettes

Rear panel of theinterior

for 230 V sockets mounted inside,switchable from the outside

2820

350

720

350

3501930

275

7575

75

75

225

125


260

The underbench frame of industrial fume cupboards has a modulardesign. The following modules are available:

720

150

1200

300150 150300 300

Underbench frame of industrial fume cupboards

Fume cupboardwidth in mm

Module cassette 2 x 230 V or empty cassette

Unoccupiedmodule spaces

1200 mm

1500 mm

2 pieces

2 pieces

2

3

1800 mm

2000 mm

2100 mm

2 pieces

2 pieces

4

4

2 pieces 5

Unoccupied module spaces can be fitted individually. For examplewith high-purity gas taps, control devices, handwheels for benchmounted taps and other installed components specified by theuser. Alternatively, drawer modules are available that require thefollowing installation widths:• Drawer, 600 mm: 2 module spaces• Drawer, 900 mm: 3 module spaces• Drawer, 1200 mm: 4 module spaces

Service cassettes equipped with electricalcomponents:

• 2 230 V/16 A sockets• 3 230 V/16 A sockets• 4 230 V/16 A sockets inside, switchable from the outside • 8 230 V/16 A sockets inside, switchable from the outside • 1 400 V/16 A CEE socket• 2 400 V/16 A CEE sockets• 1 400 V/32 A CEE socket• 1 Emergency off button • 1 Emergency off key switch • 1 in-wall outlet• 2 in-wall outlets

100

350

22

Service cassettes equipped with electrical components

The right-hand fume cupboard column can be fitted with up to three service cassettes* that are equipped with electricalcomponents. If only a small number of liquid services is requiredin the left-hand fume cupboard column, electrical cassettes can

Electrical services in the underbench frame

be partially installed there as well. Service cassettes for socketsmounted inside and switchable from the outside can only beinstalled in the right-hand fume cupboard column.

Electrical services in the right fume cupboard column

*The exact maximum number of electrical and mechanical services results from their combination and must be determined in individual cases.


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Service cassettes with water taps:

• Cold water • Hot water • Drinking water, cold • Demineralised water• Distilled water • Cooling water flow • Cooling water return flow

• Natural gas, G • Propane/butane, LPG • Hydrogen, H2 • Compressed air, CA • Nitrogen, N2 • Argon, Ar • Oxygen, O2 • Low vacuum, V • Helium, He

100

350

22

Service cassette with gas and water taps

4.4.2.12 High-purity gas taps for fume cupboards

The high-purity gas taps listed here are used as outlets for high-purity gases from central gas supply systems.

Two materials are basically used: Brass: for non-aggressive gases up to purity class 6.0 Stainless steel: for aggressive gases up to purity class 6.0

The following back pressure ranges are available:• 1.5 bar• 4 bar• 10 barThe maximally admissible supply pressure is 40 bar.

The following variant is available: • Taps with pressure reducer and shut-off valve

The outlet pressure of the tap is regulated by teh pressurereducer and maintained at a constant level. The flow rate onthe outlet side can only be controlled by changing the outletpressure. The gas flow can be interrupted by a shut-off valveon the inlet pressure side.

• Taps with pressure reducer, control valve and shut-offvalve The outlet pressure of the tap is reduced by the pressurereducer under the system pressure of the central supply

Service cassette for fume cupboard column with high-purity gas tap

system and maintained at a constant level. The flow rate ofthe gas can be controlled by a control valve or interrupted by a shut-off valve.

Further variants on request. Taps with flame arrestor have to beused for acetylene.

100

350

22

*The exact maximum number of electrical and mechanical services results from their combination and must be determined in individual cases.

4.4.2.11 Gas and water taps for fume cupboards

The fume cupboard columns can be fitted with water and gas tapswith the help of service cassettes. The left-hand fume cupboardcolumn can contain up to 6 taps* for water and gas services, nomore than 3 of which are for water. The right-hand fume cupboard

column can be fitted with up to 6 taps* for gas services. All taps are coded according to the DIN EN 13792. In addition therespective service is printed on the hand wheel.

Service cassettes with taps for gases and for vacuum:


262

4.4.2.13 Worktops for fume cupboards, industrial fume cupboard type

810/910

35

1394

c

b

a

Ceramic worktop with ceramic funnel-type bowl for standard fume cupboards

Generally worktops for industrial fume cupboards are availablewith and without funnel-type bowls or bowls. They are availablein three different worktop materials in depths of 810 and 910 mmrespectively. The properties of the individual worktop materials aredescribed in Section 1.8.

The shape and dimension of the worktops can be found in the diagrams. The ceramic worktops depicted there are also anexample of composite worktops. The technical design of the bowland the worktop shape of composite worktops vary only slightly.Exact dimensions are available on request.

Note: Ceramic worktops over 1800 mm wide require a central joint.

Worktop material Bowl material/model

Solid ceramic

Composite ceramic

Without bowl,funnel-type bowl, ceramic,sink, ceramic

Without bowl,funnel-type bowl, PP

Stainless steelWithout bowl,funnel-type bowl, stainless steelsink, stainless steel

Worktops generally have a minimum load bearing capacity of 200 kg per m2.

810/910

35

1394

c

b

a

Ceramic worktop with ceramic bowl for standard fume cupboards

We require the following information in order to select thesuitable gas tap: • Gas type and purity • Requested back pressure range • Material of the tap and supply lines • Information on installation conditions

The following built-in variants are available:• Operational control in left fume cupboard column, outlets

inside on the left (maximum of 3 per column)• Operational control in the underbench frame, outlets inside

on the right (maximum of 6 per frame)We can prepare a customised quote for the supply system basedon this information.

High-purity gas taps for fume cupboards

Description


Material

Brass



Stainless steel

Brass


with pressure reducer and flame arrestor, without control valve, for acetylene

Stainless steel

Brass

We use DRUVA high-purity gas taps (Type Lab 3000) as standard. Taps from other manufacturers are available on request.


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Worktop material Bowl material/model Bowl dimensions

Solid ceramic Ceramic

a in mm

96

Composite ceramic

Stainless steel

Polypropylene (PPS)

Stainless steel

86

80

b in mm

246

c in mm

165

250

324

165

130

Bowls for industrial fume cupboards

Fume cupboard width Bowl dimensions in mm

Ceramic

1200 mm

1500 mm

a

b

380

480

c

a

320

380

1800 - 2100 mm

b

c

580

320

a

b

380

780

c 320

Stainless steel

400

500

300

450

600

300

500

800

225


Design: Material of the supports: Polypropylene, glass-fibre reinforced Material of the sleeves: Aluminium, high gloss Material of the rods: Stainless steel, V4ALoad bearing capacity: 20 kg

4.4.2.14 Scaffold systems for complete fume cupboards, industrial fume cupboard type

Scaffold systems for industrial fume cupboards

290

1000/1100

2878

2600

1825

2820

950/1050

1200

250

630/730157

872

747/847388

Worktop and bowl materials for modular fume cupboards:

4.5 EN sets for fume cupboards

264

4.5 EN sets for fume cupboards

Depending on their fittings, laboratory fume cupboards complywith different national standards, such as the German DIN, theBritish Standard or the French AFNOR. The new EN 14175combines all national standards and creates a framework havinglegal force all over Europe with uniform provisions. Part 1 and 2 ofthe new EN 14175 came into force in August 2003 and replacedDIN 12924 Part 1. DIN 12924 Part 2 – Part 4 as well as DIN 25466will remain in force.

The new EN 14175 makes increased demands on fume cupboardswith regard to safety and retention capacity for harmful substances.In detail EN 14175 provides new test procedures for the retentioncapacity for harmful substances as well as the limitation of thework opening of the sash to a height of 600 mm at most – with apreferred dimension of 500 mm. The new EN does not howeverspecify any ventilation limit values which must be observed.

All known conditions of the European standard can be met byinstalling an EN set in the Köttermann fume cupboards. Fume cupboards with an EN set meet not only the Germany requirementsaccording to DIN 12924 but also the European requirements according to DIN EN 14175.

The EN set can be installed later if required. This applies to fumecupboards delivered from 2001. EN sets are available for thefollowing fume cupboards:• Laboratory fume cupboard type

• Standard fume cupboards: high designlow designHigh performance fumecupboardsRadionuclide fume cupboards

• Distillation fume cupboards• Industrial fume cupboard type

• Standard fume cupboards

EN set includes:• 1 inflow profile of stainless steel to be fastened to the

worktop• 2 side wings of stainless steel to be fastened to the left and

right fume cupboard column• only for standard fume cupboards: 1 sash limiter to be

installed in the left fume cupboard column (positioned atopening height of 500 mm)

EN sets for fume cupboards

Standard fume cupboards

Order no. laboratory fume cupboard type Order no. industrial fume cupboard type Width in mm

4.000.175

4.000.176

4.000.177

4.000.178

4.000.205

4.000.206

1200

1500

4.000.207

4.000.208

1800

2000

4.000.179

Distillation fume cupboard, laboratory fume cupboard type

Order no.

4.000.190

4.000.209 2100

Width in mm

1200

4.000.191

4.000.192

4.000.193

1500

1800

2100

900

30

EN sets for fume cupboards

4.6 Ventilation specifications of fume cupboards

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Specifications for operation in accordance with DIN 12924 Part 1, operation with constant volumetric flow. The new EN 14175 does notspecify any ventilation limit values.

4.6.1 Ventilation specifications of general purpose fume cupboards with table height 900 mm, laboratory fume cupboard type and industrial fume cupboard type

Fume cupboard width 1200 mm 1500 mm 1800 mm 2100 mm

Extract spigot

Minimum admissible volumetric flow (Alarm value)

∅

V̇ in m3/h

250

330 400 550 650

Volumetric flow to be set

Maximum admissible volumetric flow

Resistance correction value for ∅ 250

Values for volumetric flow to be set;sash closed!

V̇ in m3/h

V̇ in m3/h

Pressure loss

ζ

∆Ploss in Pa

400

1500

470

1500

3,3

15,4 20,7

650

1500

750

1800

39 52

Dynamic pressure

Pressure drop

∆Pdyn in Pa

∆Pdrop in Pa

3,4

12

4,7

16

9,0

30

12,0

40


4.6.2 Ventilation specifications of general purpose fume cupboards with table height 510 mm(distillation fume cupboards)


Extract spigot


∅

V̇ in m3/h

250

510 700 800 1080





V̇ in m3/h

V̇ in m3/h

Pressure loss

ζ

∆Ploss in Pa

600

1500

800

1500

3,0

31 55,3

900

1500

1200

1800

70 124

Dynamic pressure

Pressure drop

∆Pdyn in Pa

∆Pdrop in Pa

7,8

23,2

13,8

41,5

17,4

52,6

31

93

4.6 Ventilation specifications of fume cupboards

266


4.6.3 Ventilation specifications of walk-in general purpose fume cupboards, laboratory fume cupboard type and industrial fume cupboard type


Extract spigot


∅

V̇ in m3/h

250

650 750 900 1100





V̇ in m3/h

V̇ in m3/h

Pressure loss

ζ

∆Ploss in Pa

750

1500

850

1500

2,1

38 49

1000

1500

1200

1800

82 98

Dynamic pressure

Pressure drop

∆Pdyn in Pa

∆Pdrop in Pa

12,1

25,9

15,6

33,74

21,5

60,5

31

67

Specifications for operation in accordance with DIN 12924 Part 2, operation with constant volumetric flow.

4.6.4 Ventilation specifications of high performance fume cupboards with table height 900 mm

Fume cupboard width 1200 mm 1500 mm 1800 mm

Extract spigot

Maximally admissible heating loadCeramic lining

∅

in KW

250

4,8 6 7,2

Maximally admissible individual heating load

Minimally required distances of theheat sources from the panels

Polypropylene lining

Ceramic liningin KW


Ceramic liningin mm

2,4

3

3

3

1,5

30

1,5

3,6

3,6

1,8





V̇ in m3/h

V̇ in m3/h

V̇ in m3/h



Pressure loss

ζ

∆Ploss in Pa

Dynamic pressure

Pressure drop

∆Pdyn in Pa

∆Pdrop in Pa

50

640 700

700

1400

800

1600

900

1000

1800

3,5

47,4 61,6

10,4

37

13,6

48

96,2

21,2

75

4.7 Pharmacy fume cupboards

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Pharmacy fume cupboards are suitable for use in areas where workis carried out with minimum exposure to chemicals. Their classicfield of application is the pharmacy.

Design: • Fume cupboard for use on table height 750 mm, sitting height • Self-supporting housing made of epoxy powder coated and

galvanised steel • Colour: light grey (similar to RAL 7035) • Certified in compliance with DIN 12924 Part 4 • GS-certified by TÜV Product Service• Air flow monitor equipment in accordance with

DIN 12924, battery-buffered • Acrylic sash• Worktop made of epoxy powder coated steel • Mains connection: 230 V • Extract spigot: � 110 • Workplace lighting • Services supplied:

• 1 x natural gas • 2 x 230 V • 1 x water

640

120 110

900

900

1350

150

320

795

16

100

750

1740

Pharmacy fume cupboards

Order no.

2.447.001

Description

Pharmacy fume cupboard inaccordance with DIN 12924Part 4, with fan

2.447.002Pharmacy fume cupboard inaccordance with DIN 12924Part 4, without fan

Suitable fume extraction material is required for installation andoperation (Section 6).

Ventilation specifications: see next page.

4.7 Pharmacy fume cupboards

Pharmacy fume cupboards

4.8 Bench mounted fume hoods

268

640800

16

1350

110120

1050

320

797

750

1740

Bench mounted fume hoods are used for extracting non-hazardouscontaminants that are released, for example, during decanting.Because they are enclosed on three sides they have an excellentextraction capacity. Bench mounted fume hoods cannot replacelaboratory fume cupboards because they are not certified withregard to ventilation.

Design: • Fume cupboard for use on table height 900 mm, standing

height • Self-supporting housing made of epoxy powder coated and

galvanised steel • Colour: light grey (similar to RAL 7035) • Acrylic sash • Extract spigot: � 110• Workplace lighting

Bench mounted fume hoods

Order no.

2.447.006

Description

Bench mounted fume hood with fan

2.447.008Bench mounted fume hood without fan


4.8 Bench mounted fume hoods

Ventilation specifications of pharmacy fume cupboards and bench mounted fume hoods

For pharmacy fume cupboardFor bench mounted fume hood

Without built-in fan

2.447.0022.447.008

With built-in fan

2.447.0012.447.006

Extract spigot


Corresponding dynamic pressure

Pressure loss available for ducting

�

V̇ in m3/h

Pa

∆PStat in Pa

110

250

110

250

37,5

—

37,5

100

Resistance correction available

Values for volumetric flow to be set;sash closed

Pressure loss

ζ

∆Ploss in Pa

Dynamic pressure

Pressure drop

∆Pdyn in Pa

∆Pdrop in Pa

1,1

41

—

—

78,5

119,5

—

—

Bench mounted fume hoods

4.9 Fume hoods

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4.9 Fume hoods

Larger working areas can be ventilated with fume hoods but they cannot guarantee complete contaminant discharge. Theirextraction capacity is comparable to that of cooker extractionhoods. Fume hoods can also be used for extracting warm air frommuffle ovens.

Design:Material: Epoxy powder coated steel, light grey

(similar to RAL 7035)Fittings: Fluorescent lampExtract spigot diameter: � 200

6001175

600/750

500 1000

123

155

200

Fume hoods

Fume hoods

Order no.

2.859.5

Description

Fume hood,1175 x 500 x 600 mm,� 200

2.000.001Fume hood,1175 x 500 x 750 mm,� 200


Ventilation specifications of fume hoods

Extract spigot �

with thermal load

200

without thermal load

200

Resistance correction value

Recommended volumetic flow

Values at recommended volumetric flow

ζ

V̇ in m3/h

Pressure loss

Dynamic pressure

∆Ploss in Pa

∆Pdyn in Pa

0,35

900

0,35

500

14,4

41,2

4,5

12,7

Pressure drop ∆Pdrop in Pa 55,6 17,2

4.10 Extraction arms

270

Extraction arms are used whenever locally restricted, selectiveemission sources are to be ventilated. Thanks to their verticallyadjustable swivel arm, the extraction head can be positionedexactly above the contaminant source. Extraction arms cannotreplace laboratory fume cupboards because their extractioncapacity is limited. Extraction arms are available in three variants: • with mounting plate for wall mounting; also suitable for

installation in service walls and boom systems if a suitableservice cassette is available

• with mounting plate for ceiling mounting • including installation kit for service columns

Design:Material: PP/anodised aluminium Colour: White/aluminium

650

550

235

200

125

75

135

250

Extraction arms with mounting plate for wall mounting

235

200

650

140

550

80

750/1000

200

200

100

75

Extraction arms with mounting plate for ceiling mounting

50

575

475

250

200

Extraction arms including installation kit for service columns



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Suitable fume extraction material is required for installation and operation (Section 6).

Extraction arms

Order no.

3.621.001

Description

Extraction arm for service column

Extract spigotdiameter

� 50

Recommendedvolumetric flow

50 m3/h /110 PA

3.621.002

3.621.003

Extraction arm for wall mounting

Extraction arm for ceiling mounting

3.200.028Service cassette 150 x 300 mm for article 3.621.002 in boom systems

� 75

� 75

120 m3/h /200 PA

120 m3/h /290 PA

4.11 Extracted air scrubbers

272

Field of application:Extracted air scrubbers are used to clean fumes. Generally allcontaminants that are water-soluble can be washed out. Examples are stated below.

Examples for application of extracted air scrubbers: • Water-soluble acids

• Hydrochloric acid • Sulphuric acid • Nitric acid• Perchloric acid • Hydrogen fluoride

• Water-soluble gases • Sulphur trioxide • Ammonia • Formaldehyde

• Water-soluble bases/lye • Ammonia • Some organic amines

The following questions will help you select the right scrubber type:

4.11.1 How to select the right scrubber type?

The washing-out rate primarily depends on the water-solubility ofthe contaminant and must be clarified for individual cases. Therate ranges from 90 – 95% in the group of highly water-solubleacids. The contaminant is accumulated in the waste water of thescrubber. Usually the waste water is discharged into the sewagesystem, however, the respective local regulations must beobserved. As a rule the waste water has to be neutralised. Inindividual cases it may be necessary to install a downstreamsystem for reducing specific contaminants.

Can the contaminant be washed out?

↓ yes

Is central neutralisation available?

↓ no

Should only the scrubber waste water be neutralised?

↓ no

Should other laboratory water be neutralised as well?

no→

Look for alternatives (e. g. filter)

yes→

Scrubber with conductometer

yes→

Scrubber with pH control

yes→

Scrubber with conductometer; additional two-sided neutralisation

Extracted air scrubbers are available as attached and sidescrubbers. The decision depends on the room height and theavailable floor space on site: • Attached scrubbers are set on the fume cupboard and

require a ceiling height of at least 3 m. They must be planned together with a suitable scrubber housing.

• Side scrubbers are installed in a separate 900 mm widescrubber cabinet that stands next to the fume cupboard. Side scrubbers must be planned together with a suitablescrubber cabinet.



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Attached scrubber with scrubber panel and control unit Side scrubber with scrubber cabinet, control unit and run-down tank

Underbench cabinet for neutralisation units or run-down tank

30675

375

778

2250

2925

460

451500

680

245

705966

170

250

690

900/1200 690

67020

720

30675

375

778

2250

2925

460

451500

680

245

75020

2250 7001220

310

155745

250

700

Underbench cabinet for neutralisation units or run-down tank


274

A) Scrubber with conductometer • Attached scrubber with conductometer:

• 1 attached scrubber with conductometer • 1 display and control unit for conductometer • 1 housing for attached scrubber

• Side scrubber with conductometer: • 1 side scrubber with conductometer • 1 display and control unit for conductometer • 1 tall storage cabinet for side scrubber and waste water

neutralisation units B) Scrubber with pH control • Attached scrubber with pH control:

• 1 attached scrubber with pH control and run-down tankfor neutralisation

• 1 display and control unit for pH control • 1 housing for attached scrubber • 1 underbench cabinet for waste water neutralisation

units (for the run-down tank) • Side scrubber with pH control:

• 1 side scrubber with pH control and run-down tank forneutralisation

• 1 display and control unit for pH control • 1 tall storage cabinet for side scrubber and waste water

neutralisation units (for run-down tank)

C) Scrubber with conductometer and additional neutralisationunit

• Attached scrubber with conductometer and separate two-sided neutralisation unit: • 1 attached scrubber with conductometer • 1 display and control unit for conductometer • 1 housing for attached scrubber • 1 waste water neutralisation unit, two-sided • 1 underbench cabinet for waste water neutralisation

units • 1 monitoring unit for neutralisation unit

• Side scrubber with conductometer and separate two-sidedneutralisation unit: • 1 side scrubber with conductometer • 1 display and control unit for conductometer • 1 waste water neutralisation unit, two-sided • 1 tall storage cabinet for side scrubber and waste water

neutralisation units• 1 monitoring unit for neutralisation unit

Please note:Only one-sided neutralisation is possible with scrubbers with pH control. Therefore the user must know whether he wants toneutralise acid or base contaminated gases. As a rule this doesnot restrict usability because work in fume cupboards is almostalways carried out with acids.

Scrubber type Extract-volume of the fume cupboard Dimensions in mm Order no.

Attached scrubber (for use on fume cupboards)

Attached scrubber MAALS® 1,with conductometer

Attached scrubber MAALS® 2,with conductometer

550 … 900 m3/h

850 … 1200 m3/h

966 x 690 x 560

1256 x 690 x 560

7.725.434

7.725.311

Attached scrubber MAALS® 1,with pH control

Attached scrubber MAALS® 2,with pH control

Side scrubber (for installation in separate tall storage cabinets)

Side scrubber, MAASS® 2/2with conductometer

550 … 900 m3/h

850 … 1200 m3/h

966 x 690 x 560

1256 x 690 x 560

600 … 1000 m3/h 700 x 700 x 1350

7.725.453

7.725.454

7.725.435

Side scrubber, MAASS® 2with conductometer

Side scrubber, MAASS® 2/2 with pH control and run-down tank

Side scrubber, MAASS® 2with pH control and run-down tank

850 … 1200 m3/h

600 … 1000 m3/h

700 x 700 x 1350

700 x 700 x 1350

850 … 1200 m3/h 700 x 700 x 1350

7.725.437

7.725.455

7.725.456

4.11.2 The right combination of components

The scrubber has to be planned together with several further components in order to create an operable extracted air scrubbing system. Useful combinations are listed in the following section. Panelling material must be used in all cases to encase the system.


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Manufacturer: Joh. Müller Kunststoff GmbH

4.11.3 Specifications

Type MAALS®-1 MAALS®-2

Material

Dimensions (W × H × D)

Polypropylene

966 x 560 x 690 mm

Polypropylene

1236 x 560 x 690 mm

For volumetric flow

Pressure loss

Ventilation connections

Air inlet, air outlet

550 … 900 m3/h

470 … 580 Pa

850 … 1200 m3/h

470 … 580 Pa

Nozzle: ∅ 250 mm (in the centre) Nozzle: ∅ 250 mm (in the centre)

Water connections

Water supply

Water drainage

Electrical connections

Connection socket: 1⁄2", flexible duct: 3 m long

Nozzle: ∅ 50 mm, flexible duct: 3 m long

Power supply

Switch-on contact

Monitoring

Alternating voltage 230 V, 50 Hz; IN =1,2 A; PN = 0,25 kW

Potential-free external closing contact, designed for at least 24 V/DC (on site)

System status and fault message for connecting on site signal lamps (230 V/max. 0,1 A)

Cassette with display and control elements (for placement in the fume cupboard frame or scrubber cabinet)

Display and control unit for pH control

Display and control unit for conductometer

300 x 150(Service cassette for fume cupboard underbench frames)

300 x 150(Service cassette for fume cupboard underbench frames)

3.845.006

3.845.007

Display and control unit for pH control

Display and control unit for conductometer

Monitoring unit for neutralisation unit

Scrubber cabinets and housing

150 x 300(Service cassette for scrubber cabinet)

150 x 300(Service cassette for scrubber cabinet)

300 x 150(Service cassette for underbench frame of fume cupboards)

3.845.004

3.845.005

3.225.164

Tall storage cabinet for side scrubber with neutralisation unit

Tall storage cabinet for side scrubberwithout neutralisation unit

Housing for attached scrubber

900 x 2250 x 770

900 x 2250 x 770

Lower part with front cover

Lower part with 2 folding doors

1200 x 635 x 750

1500 x 635 x 750

Neutralisation unit and underbench cabinet for neutralisation unit

Neutralisation unit, two-sided, forvolumetric flow 200 … 600 l/h

1800 x 635 x 750

2100 x 635 x 750

840 x 560 x 600

2.320.009

2.320.008

3.490.010

3.490.011

3.490.012

3.490.014

7.725.457

Underbench cabinet for neutralisation units

Underbench cabinet for neutralisation units

900 x 720 x 690

1200 x 720 x 690

3.500.061

3.500.063

Scrubber type Dimensions in mm Order no.

A quotation for the commissioning of the scrubbers and the neutralisation units is available on request.


276


Type MAAS®-2/2 MAAS®-2

Material


Polypropylene

700 x 1500 x 700 mm

Polypropylene

700 x 1500 x 700 mm

For volumetric flow

Pressure loss

Ventilation connections

Air inlet, air outlet

600 … 1000 m3/h

450 … 600 Pa

850 … 1200 m3/h

450 … 600 Pa

Nozzle: ∅ 250 mm (in the centre) Nozzle: ∅ 250 mm (in the centre)

Water connections

Water supply

Water drainage


Connecting socket: 1⁄2", flexible duct: 1.5 m long

Nozzle: ∅ 50 mm, flexible duct: 1.5 m long

Power supply

Switch-on contact

Monitoring


Potential-free external closing contact, designed for at least 24 V/DC (on site)

System status and fault message for connecting on site signal lamps (230 V/max. 0,1 A)

Neutralisation unit


Type AWN®

Material


Polypropylene

840 x 600 x 560 mm

Capacity

Water connections

Water supply

Water drainage

max. 600 l/h

PP flexible duct socket 1 1⁄4"

PVC flexible duct socket 1 1⁄4"


Power supply

Monitoring


System status message, fault message and run-down tank monitoring for connection to on site signal lamps (230 V/max. 0,1 A)


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2532

1200

150

Extracted air sprayer

The extracted air sprayer can be used in all laboratory fume cupboard type fume cupboards. However their use is only appropriate together with high performance fume cupboards,unlike the general purpose fume cupboard which is designed forthe special contamination with aggressive gases. This facilityrequires an additional depth of 150 mm.

4.11.4 Extracted air sprayer

The Köttermann extracted air sprayer is under certain conditionsan economical alternative to the extracted air scrubber. With theextracted air sprayer the fume cupboard extracted air can besprayed with fresh water intensively. This can significantly reducethe content of water-soluble hazardous gases.

Extracted air sprayers are designed for occasional use. The washwater is directly routed into the sewage system and not run in acircuit for contaminant accumulation - as is customary with ext-racted air scrubbers. Thus, although the purchase price of the extracted air sprayer is very low, its operating costs are quitehigh.

Design:Material: PolypropyleneElectrical connection: 230V; 50Hz; 0,04AExtracted air connection: ∅ 250Supply air connection: ∅ 250Min. extracted air volumetric flow: 450m3/hMax. extracted air volumetric flow: 950 m3/hResistance coefficient: 15.3Fresh water connection: 3/4“ pipe threadWaste water connection: ∅ 50Consumption: 3.9 l/min at

4 bar water pressure


Order no.

2.473.110

Description


9.714.735

3.200.110

Display andoperating unitfor extractedair sprayer

Wall closurepanel for fumecupboards with extractedair sprayer (2 pieces)

3.200.109

Wall closurepanel for fumecupboards with extractedair sprayer (2 pieces)

Dimensions in mm

300 x 150 mm(Servicecassette forunderbenchframe of fumecupboards)

For carcassheight 2250 mm

For carcassheight 2550 mm

4.12 Modular fume cupboard form, laboratory fume cupboard type

278

Fume cupboard type, width in mm

General purpose fume cupboard,standard fume cupboard

General purpose fume cupboard,distillation fume cupboard

1200 1500

General purpose fume cupboard,walk-in fume cupboard

High performance fume cupboard,standard fume cupboard

Radionuclide fume cupboard

Housing height in mm 2250 2550






Sash



One-piece, fixedpanel, laminated

safety glass(VSG)

One-piece, fixed panel,

polycarbonate(PC)




Sash controller/Fume cupboard control





Sash controllerFume cupboard

control, two-point


1800 2000 2100

One-piece, fixed panel,

Plexiglas(PMMA)

One-piece, sliding panels,

laminated safetyglass (VSG)

Telescopic, sliding panels,

laminated safetyglass (VSG)

Fume cupboardcontrol,

continuous

Configuration of the desired modular fume cupboard (please print out and fill in) The selection options marked in grey are technically possible, but do not comply with the standards in every respect. For general purposefume cupboards, the following is based on the new DIN EN 14175, for high-performance or radionuclide fume cupboards DIN 12924 Part2 or DIN 25466 in force until further notice.

**

*only in connection with one-piece sash. **only in connection with sashes without sliding panels.

*


*

*

*

*

*

**

**

**

**


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Interior sides

General purpose fume cupboard,standard fume cupboards



High performance fume cupboard,standard fume cupboards


Interior lining for high performance fume cupboard

Continous sides Pass-through,right

Pass-through,left

Cable pass-through,

right

Scaffold system

Cable pass-through,

left

Polypropylene

Ceramic

Extract spigot

� 200

� 250

� 315

Conformity with standards

EN/DIN

EN/BS

EN/AFNOR

Underbench cabinets

Underbench cabinets (Standard)

Underbench cabinets (Radionuclide)

Safety cabinet

Acid and base cabinet

Knee space panel

with

without

Sockets

German

British

French

Worktop

Ceramic

Composite ceramic

Brown laboratory tiles

Epoxy

Polypropylene

Trespa Toplab Plus

Stainless steel

without bowl with bowl

Stainless steel for radionuclide(with funnel)


280

Services Number/type of gas services

Number/type of water services

Number/type electrical services

Air flow monitor (AFM) and fuses

Without AFM (with master switch)

AFM with pressure transmitter

Line and isolation switches can be combined independently.

Underbench frame

Without linesafety switch andisolation switch

3 230 V linesafety switches

With drawer Without drawer

1 400 V linesafety switch

1 isolationswitch

*

*not for radionuclide fume cupboards

4.13 Modular fume cupboard form, industrial fume cupboard type

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Fume cupboard type, width in mm



Sash



Sash controller/Fume cupboard control



1200 1500

One piece, fixed panel, laminated safety glass

(VSG)

Sash controllerFume cupboard

control, two-point

1800 2000

One-piece, sliding panels, laminated safety glass

(VSG)

Fume cupboardcontrol,

continuous

Telescopic, sliding panels, laminated safety glass

(VSG)

2100

Configuration of the desired modular fume cupboard (please print out and fill in) The selection options marked in grey are technically possible, but do not comply with the standards in every respect.

***


*

Interior sides Continous sides Pass-through,right

Pass-through,left

Cable pass-through,

right

Cable pass-through,

left

General purpose fume cupboard,standard fume cupboards


Extract spigot

� 200

� 250

� 315

Conformity with standards

EN/DIN

EN/BS

EN/AFNOR

Underbench cabinets

Underbench cabinets (Standard)

Safety cabinet

Acid and base cabinet

Sockets

German

English

French

Knee space panel

Worktop

Ceramic

Composite ceramic

Stainless steel

without bowl with funnel-typebowl with bowl

*only in connection with one-piece sash. **only in connection with sashes without sliding panels.

**


282

Services Number/type of gas services

Number/type of water services

Number/type electrical services

Air flow monitor (AFM) and fuses

Without AFM (with master switch)

AFM with pressure transmitter

Line and isolation switches can be combined independently.

Underbench frame

Without linesafety switch andisolation switch

3 230 V linesafety switches

With drawer Without drawer

1 400 V linesafety switch

1 isolationswitch

Date post:	12-Jul-2020
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