www.khedr-eg.com
Alqanater Alkhairia roads - industrial Area behind coca cola co.Tel.: 02 - 42452022
Mob.: 010 - 29999054 / 010 - 29999056 / 010 - 29999059 / 010 - [email protected]
وا�ستيراد والتصدير
HVAC Duck Work
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ducnumber
0
1
2
3
4
5
6
7
8
9
10
duct dimension (mm)
0 - 200
250 - 400
450 - 600
650 - 800
850 - 1000
1050 - 1200
1250 - 1400
1450 - 1600
1650 - 1800
1850 - 2000
2050 - 2200
Khedr-Rect must be assembled according to these instructions
BEFORE ASSEMBLY
The ducts must be free from dirt.
Assembly instructions:
• Only use undamaged Khedr-Rect duct and fittings.
• Apply continuous gasket to effectively seal flanges and corners.
• Fasten the duct and fitting together with bolts & nuts at four corners.
• Mating flange shall be locked together by duct clamps spaced at centers not exceeding 200mm.
The following numbers of duct clamps are recommended:
KHEDR-Rectangular
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Dimensions
All straight ducts are beaded or cross broken
(except if duct is double wall, internally lined,
negative pressure, Ga.18 ducts, and 4» w.g. or
above) and fittings are cross broken from size
483 mm and above.
Standard duct length : 1200 mm (4 feet)
Description
KHEDR single wall duct & fittings are factory
fabricated and supplied with factory applied
sealant on all longitudinal joints for S & Drive
slip ducts and additionally on transverse
joints for all flanged end ducts & fittings.
Khedr-Rect can be supplied either fully
assembled form or knocked down form for
straight ducts (minimum requirement for
assemble of straight ducts on site) fittings will
be delivered fully assembled with factory
applied sealant.
Khedr-Rect can be supplied in various
materials:
- G, galvanized steel (in accordance with
ASTM 653, G90 coating)
- H, stainless steel (in accordance with ASTM
A240/480 and various material grades)
- A, aluminum metal (in accordance with
ASTM B209, type alloy 3003, H14) - P, painted
galvanized steel (as G, but with various paint
system i.e. epoxy...)
Straight Ducts
KHEDR- Rectangular
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Dimensions
Liner bonded to duct with adhesive and
welding pins at approximate centers as
shown.
Liner to be 48 kg/m3, (3 lbs/ft3) density, 25
mm thick, unless otherwise specified.
Description
KHEDR lined rectangular duct and fittings are
available with an insulating liner coated with
black glass tissue to protect against erosion and
microbial growth. This acoustic/thermal liner
can be used with air velocities up to 5,000 fpm.
Standard length is 1200 mm.
Standard acoustic/thermal insulation: 25mm,
48 kg/m3 , BGT facing. Other thickness and
density can be supplied on request.
Insulation edge coverings: all insulation edges
are covered by galv.steel channels fixed to duct.
epoxy...)
Lined Ducts
KHEDR- Rectangular
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DimensionsDescription
KHEDR double wall rectangular duct and
fittings provide exceptional noise control in
air distribution systems. This do ublewall,
insulated ductwork is constructed of solid
metal outer shell and perforated inner shell
with a layer of acoustic insulation sandwiched
between.Our standard construction is:
galvanized steel with a galvanized perforated
inner wall and standard acoustic, thermal
insulation of 25 mm tickness, 48 kg/m3
density, with BGT facing.Other types of
insulation material, density & thickness are
avialable.
As for the outer shell can be supplied in
galvanized steel, stainles steel, black steel,
aluminum or painted steel while for the inner
perforated shell only in galvanized steel or
black steel.
Standard length is 1200 mm.
Double Wall Acoustic Ducts
KHEDR- Rectangular
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DimensionsDescription
KHEDR double wall rectangular duct and
fittings provide exceptional thermal control in
air distribution systems and is ideal for external
and roof ducts applications. This double wall,
insulated ductwork is constructed of solid
metal outer shell and solid inner shell with a
layer of insulation sandwiched between.
Our standard construction is: galvanized steel
(solid) inner and outer shell.
several types of insulation material, densities &
thickness are available.
As for the outer and inner shell can be supplied
in galvanized steel, black steel, aluminum,
stainless steel and painted steel.
Standard length is 1200 mm.
Double Wall Thermal Ducts
KHEDR- Rectangular
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Double Corner SeamPittsburgh Lock
Longitudinal Seams
* 18 Gauge & Up * Up to 20 Gauge
KHEDR- Rectangular
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Double Corner SeamACME Lock
Longitudinal Seams
For Ducts Length L > 1200 mm
Seam Location
* Seam numbers and locations vary
according to joint type and size.
KHEDR- Rectangular
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Dimensions
Reducer
KHEDR- Rectangular
• All fittings are available with acoustic lining or double wall construction.
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Dimensions
Radius Bend
KHEDR- Rectangular
• All fittings are available with acoustic lining or double wall construction.
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Radius Bend with Splitter Vanes
KHEDR- Rectangular
Dimensions
• All fittings are available with acoustic lining or double wall construction.
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Dimensions
Square Throat Bend
withTurning Vanes
KHEDR- Rectangular
• All fittings are available with acoustic lining or double wall construction.
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Tee
KHEDR- Rectangular
Dimensions
• All fittings are available with acoustic lining or double wall construction.
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Dimensions
Offset`
KHEDR- Rectangular
• All fittings are available with acoustic lining or double wall construction.
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R-Fitting
KHEDR- Rectangular
Dimensions
• All fittings are available with acoustic lining or double wall construction.
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Dimensions
Split Bend
KHEDR- Rectangular
• All fittings are available with acoustic lining or double wall construction.
• Can be supplied with splitter damper upon request.
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Transition, rectangular to round
TRANS
KHEDR- Rectangular
Dimensions
• All fittings are available with acoustic lining or double wall construction.
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Branch Connection / Take Off
TO 45°
KHEDR- Rectangular
Dimensions
• Application of sealant after installation is recommended.
• Can be supplied with splitter damper upon request.
• All fittings are available with acoustic lining or double wall construction.
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Branch Connection / Take Off
TO 90°
KHEDR- Rectangular
Dimensions
• Application of sealant after installation is recommended.
• Can be supplied with splitter damper upon request.
• All fittings are available with acoustic lining or double wall construction.
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Branch Connection / Take Off
LYT
KHEDR- Rectangular
Dimensions
• Application of sealant after installation is recommended.
• For «D» dimensions see flexible duct sizes or Khedr-Vent for spiral duct dimensions.
• All fittings are available with Double Wall construction.
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Branch Connection / Take Off
LKT
KHEDR- Rectangular
Dimensions
• Application of sealant after installation is recommended.
• For «D» dimensions see flexible duct sizes or Khedr-Vent for spiral duct dimensions.
• All fittings are available with Double Wall construction.
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Branch Connection / Take Off
KHEDR- Rectangular
Installation Instruction
Installation Details - Spin - in & Flanged Take Off
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Splitter Damper
KHEDR- Rectangular
Splitter Damper
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DimensionsAerofoil Blade Splitter Damper
Single Blade Splitter Damper (Standard)
Splitter Damper
KHEDR- Rectangular
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Air Extractor
KHEDR- Rectangular
Dimensions
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Turning Vanes
KHEDR- Rectangular
Dimensions
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Turning Vanes
KHEDR- Rectangular
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Transverse Joints
KHEDR- Rectangular
Drive Slip & Hemmed «S» Slip
Slide on Flange - SAF - 30
Backup angle for Drive Slip
Reinforced «S» Slip & Standing S
Companion Angles
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Flange System
KHEDR- Rectangular
30 Flange Joint System
30 - Slide on Flange Dimensions
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Transverse Joints
KHEDR- Rectangular
Corner Piece -30
Clamp - 30 /35
Dimensions
Dimensions
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Flange System
KHEDR- Rectangular
35 Flange Joint System
35 Slide on Flange Dimensions
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Flange System
KHEDR- Rectangular
Corner Piece -35
Cleat
Dimensions
Dimensions
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W.G. Pressure Class (Formed Flange)
KHEDR- Rectangular
Maximum DuctDimension
0 - 508
509 - 1067
1068 - 1219
1220 - 1372
1373 - 1524
1525 - 2134
2135 - 2438
2439 - 2743
2744 - 3048
IntermediateReinforcement
Not required
Not required
Not required
Not required
Not required
Not required
Not required
50x50x5mm angle 50x50x5mm
50x50x5mm angle 50x50x5mm
U.SGage
26
24
22
20
18
18
18
18
18
LongitudinalConnections
Double corner seam
Double corner seam
Double corner seam
Double corner seam
Pittsburgh lock seam
Pittsburgh 50x50x5mm
Pittsburgh 50x50x5mm
Pittsburgh @ 600mm c-c
Pittsburgh @ 600mm c-c
TransverseConnections
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Companion angle lock seam
Companion angle lock seam
Companion angle lock seam
Companion angle lock seam
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Maximum DuctDimension
0 - 508
509 - 1067
1068 - 1219
1220 - 1372
1373 - 1524
1525 - 2134
2135 - 2438
2439 - 2743
2744 - 3048
IntermediateReinforcement
Not required
Not required
Not required
Not required
Not required
Not required
Not required
50x50x5mm angle @ 600mm c-c
50x50x5mm angle @ 600mm c-c
U.SGage
26
24
22
20
18
18
18
18
18
LongitudinalConnections
Double corner seam
Double corner seam
Double corner seam
Double corner seam
Pittsburgh lock seam
Pittsburgh lock seam
Pittsburgh lock seam
Pittsburgh lock seam
Pittsburgh lock seam
TransverseConnections
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Slide on flange (30 / 35)
Companion angle 50x50x5mm
Companion angle 50x50x5mm
Companion angle 50x50x5mm
Companion angle 50x50x5mm
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Description
Method of Surface Area Calculation
KHEDR- Rectangular
Formula Detail
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Description & Documents
Description & Documents
KHEDR-Round duct
KHEDR-Round duct
Product Type: Metal Duct Pipe
This tapered increaser is used to increase the diameter of the round pipe run. The larger end is crimped.
- Used to increase diameter of pipe from 3» to 6»
- Total reducer height is 6-7/8»
- Galvanized steel construction for durability and rust prevention.
Product Type: Duct Start Collars
This non crimped start collar is used to start a round pipe run from a flat surface (main rectangular
duct or plenum).
- Start a 5» pipe run from main rectangular duct
- Attaches to plenum using 5/8» flanges and tabs
- Installation depth of collar is 2-1/8»
- Galvanized steel construction for durability and rust prevention
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Description & Documents
KHEDR-Round duct
Description & Documents
KHEDR-Round duct
Product Type: Duct Connectors
This flex connector is used to connect two sections of insulated flex duct. It is crimped on both ends
for an easy fit.
- Connector used to connect 2 sections of insulated flex duct. Crimped on both ends for easy fit
- Galvanized steel construction for durability and rust prevention
Product Type: Duct Tees
This tee is used for 90-degree, same-diameter branch applications. It is designed for transitions with
two incoming pipes at a 90-degree angle to one outgoing pipe.
- Used for venting bath and kitchen fans as well as heating and air conditioning applications (for 90°
branch with same diameters)
- Transitions with 2 incoming pipes at a 90° angle to 1 outgoing pipe
- Total length of fitting is 12-1/2»
- Total height of fitting is 9-1/8»
- Galvanized steel construction for durability and rust prevention
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Description & Documents
Description & Documents
KHEDR-Round duct
KHEDR-Round duct
Product Type:
The wye is used primarily to transition from one pipe to 2 pieces.
The crimped outgoing pipe splits off into a 45-degree run.
- Used primarily for heating and air conditioning application to transition from 1 pipe to 2 pieces
Outgoing pipe splits off into 45° run
- Total height of fitting is 12-9/16»
- Tapered design with top collar centered on the taper
- Galvanized steel construction for durability and rust prevention- Galvanized steel construction for
durability and rust prevention.
Product Type: Duct Reducers & Increasers
Square to round transitions provide a transition from rectangular duct to round pipe.
- Provides straight transition from 8» x 10» square to 10» round
- 9» total height
- Galvanized steel construction for durability and rust prevention
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Description & Documents
KHEDR-Round duct
Description & Documents
KHEDR-Round duct
Product Type: Duct Elbows
This 90-degree spiral elbow is used for spiral pipe only. The slip fit slides inside the round pipe without
crimping.
- 90° angle for round pipe - slip fit slides inside round pipe without crimping
- Galvanized steel construction for durability and rust prevention
Product Type: Duct Elbows
This 45-degree adjustable angle is used to adjust the direction of a heat run for round pipe from zero
to 45 degrees.
- Adjust direction of a heat run for round pipe from 0 to 45 degrees
- Easy-rotate design allows for small or big changes
- Galvanized steel construction for durability and rust prevention
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Description & Documents
KHEDR-Round duct
Product Type: Duct Reducers & Increasers
This tapered reducer is used to decrease the diameter of the round pipe run. The smaller end is crimped.
- Used to decrease diameter of pipe from 6» to 3»
- Total reducer height is 6-5/8»
- Galvanized steel construction for durability and rust preventionprevention
www.khedr-eg.com
Alqanater Alkhairia roads - industrial Area behind coca cola co.Tel.: 02 - 42452022
Mob.: 010 - 29999054 / 010 - 29999056 / 010 - 29999059 / 010 - [email protected]
وا�ستيراد والتصدير
HVAC Duck Work