Equator 1

Design and Installation Guide

CI/Sfb

June 2007

53.0 In6

EQUAT TECH 1

The hot and cold plumbing system

D1680_MA EQ Design & Install Guide.qxd 26/6/07 10:53 Page 2

Contents

2-24 Design section

25-40 Installation section

41-43 Range of products


DESIGN SECTION

Design section

2 Introduction

4 Composition

4 Classification

4 Pipes

6 Fittings

6 Fitting design

7 Flow rates & pressure loss

7 Service design conditions

8 Connection to boilers

9 Pipe layouts – general advice

9 Pipe layouts through floor joists

10 Pipe layouts using 10mm Equator pipe

11 Pipe layouts using the manifold and conduit system

11 Piping layout – special advice

12-24 Appendices A-H:A Approvals, standards & guarantee

B Chemical resistance

C Technical data for Equator pipe & Pressure conversion

D Dimensions of basic fittings

E Head loss through Equator pipe

F Head loss through Equator valves

G Head loss through manifolds

H Manifold dimensions


IntroductionEquator is the culmination of extensive world-wide

research into fitting and system design, material

composition and performance capabilities. The result is

a uniquely designed fitting, patent pending, offering the

following benefits:

• Fitting is fully de-mountable and reusable

• Fitting is tamper proof. Only through use of the de-

mounting tool can the system be disassembled

• Excellent chemical resistance

• PE-X gives good temperature resistance, more so than

many other

non-thermosetting plastics used in the building industry

• Long term durability

Manufactured from cross-linked polyethylene (PE-X),

which is a high engineering grade polymer, Equator

offers excellent performance capabilities, and its

benefits, both practical and financial, present a real

alternative to copper systems.

For over 30 years PE-X pipe has been dominant in

underfloor heating applications throughout Europe.

Excellent chemical resistance, long term durability and

performance capabilities make PE-X an ideal material

for hot & cold and central heating installations.

Equator has been designed to meet, and in many cases

exceed the requirements of BS 7291: Parts 1 & 3: Class S.

Marley Plumbing and Drainage offers a complete all

PE-X system to professional installers

backed by a 30 year guarantee.

DESIGN SECTION

2

G

UARANTEED

YEARS

30


DESIGN SECTION

3

Equator is ideallysuited for all types ofdomestic, commercialand light industrialapplications.

This bathroom layouthighlights the use of a manifold system.The manifold providesa central connectionpoint for the wholebathroom installation,thus, reducing thenumber of connectionstypically associatedwith traditionalinstallations.

This arrangement isideal where highquality decorativesurfaces are to beused. It is then possibleto avoid having hiddenjoints, and to form aretractable pipingsystem, by runningpipes within conduit.This would providegood accessibility incompliance with WaterRegulations or Byelaws.


CompositionThe materials used in the

Equator system are listed and

accepted by WRAS – Water

Regulations Advisory Scheme

for conveyance of drinking

water by installations in all the

UK’s regional water authorities.

Under test conditions PE-X

shows excellent impact

resistance and strength within

the -20ºC to 120ºC range.

The inherent composition of

plastic pipe makes the system

very light in weight, roughly

one quarter that of equivalent

copper pipework. Scale build

up and noise from water

hammer are virtually

eliminated with Equator pipe.

ClassificationEquator is classified in accordance

with BS 7291: Parts 1&3 Class S.

The design life of Equator is at

least 50 years when used for the

applications and operating

conditions listed in Table 1.

Equator may also be used in hot

climates and in applications such

as grey water systems. For this

type of application, where the cold

water will become warm, without

the use of a heating appliance, the

maximum warm water operating

limits are shown in Table 2.

PipeEquator pipe offers high perfor-

mance pressure and temperature

ratings and is resistant to most

chemicals, see Appendix B for

further guidance.

Marley use the Silane method (B)

to cross-link the polyethylene used

to form Equator. This method was

chosen because it offers good

surface finish, good uniformity of

cross-linking, ease of co-extrusion

(allowing production of good

quality 5-layer barrier pipe), and

low energy processing; thus

causing less environmental impact.

Pipes are available in the sizes and

lengths as detailed in Table 3.

Dimensional data on Equator pipe

can be found in Table 4.

All outside diameters meet the

requirements as set out in

BS 7291: Part 3 2001: Table 1 and

therefore are consistent with

metric sized copper tube.

EQUATOR PIPE MUST NOT BE USED FOR GAS,

OIL OR HIGH PRESSURE AIR SUPPLIES.

Barrier pipe

Designed originally for central

heating and underfloor heating

systems, barrier pipe incorporates

an oxygen barrier located

centrally within the pipe wall to

inhibit oxygen permeation.

Barrier pipe is also suitable for

hot & cold water applications.

In order to gain optimum system

performance, Marley Plumbing &

Drainage only offer Barrier pipe

For information on chemical

resistance see Appendix B or

contact the Technical Hotline on

01622 852695.

CDM Regulations

Use of the Equator system can help

to reduce the risk of injury during

construction when compared with

other systems such as rigid copper

with soldered joints.

The following should be considered

when carrying out an assessment

of the risks in accordance with the

Construction Design and

Management Regulations (UK).

• Flexible piping allows services to

be cabled from below a joisted

floor, obviating the need to work

on open joists.

• Jointing does not require the use

of a naked flame, which thereby

reduces fire risk.

• The jointing system does not require

the use of flux which may be helpful

in confined areas where exposure to

vapour from some fluxes can cause

irritation to eyes, nose, throat and

respiratory tract. For more

information refer to the flux

manufacturer’s safety data sheets.

DESIGN SECTION

Table 1 Normal operating temperature and pressure limits for Equator pipe andfittings

Nominal Max system System System max system flow service malfunction working

Application temperature temperature temperature pressure ºC ºC ºC bar

Cold water system 20 20 – 12.5

Vented hot water systems 65 83 100 3.5

Unvented hot water 65 95 100 6.0systems including instantaneous heaters and/or incorporating storage (excludes discharge pipes from temperature and/or pressure relief valves)

Vented central heating 82 95 100 3.5systems

Sealed central heating 92 105 114 3.0systems (excludes discharge pipes from pressure relief valves)

Notes1 BS 5449 states that the central heating design flow temperature shall not exceed 82OC

2 Pipe circuits prone to repeated high level over heating such as found in gravity solid fueland solar heating systems are not suitable for Equator

3 The above performance criteria is classified as having a pressure rating of PN12 withinBS 7291. Marley Plumbing and Drainage produce an additional version of Equator forexport markets meeting the higher pressure rating of PN16. This version holds KIWAcertification. Contact [email protected] for further details.

Table 2 Warm water operatingtemperature test limits for Equator

Operating water Maximum pressure temperature, ºC rating, bar

30 11.540 1150 10.5

4


will be broken. The electrical

continuity can be maintained by

fixing a permanent earth wire to

link both ends of the metal pipe

before the pipe is cut.

Further advice

For installation methods and

applications beyond the scope of

the above guidance, installers

should refer to regulations, guides

and advice which can be obtained

from organisations such as:

•Institution of Electrical Engineers,London. Tel 020 7240 1871

•National Inspection Council forElectrical Contracting, London.Tel 020 7564 2323

Insulation

Equator has a lower thermal

conductivity than copper,

however for practical application

of frost protection and energy

conservation to comply with

Building Regulations, pipework

should be lagged to the same

standard as required for copper.

This will provide a slightly

higher standard of insulation

than given by an insulated

copper system.

Freezing

Equator pipework maintains a

good degree of flexibility down to

-20ºC. It is this flexibility that

significantly reduces the threat of

burst pipes. A length of PE-X

pipe clear of pipe fittings will

normally accept the increase in

volume created when the water

freezes, without bursting.

New installations

Plastic pipes are non-conductive

and therefore do not need to be

bonded to earth.

Where the incoming water main

is plastic and where Equator

products are used throughout, any

metal components, such as

radiators and short lengths of

copper pipe at final connections to

appliances, will not normally need

to be earth bonded.

On such installations

supplementary bonding of the

electrical appliances within

rooms containing a bath or

shower would still be required, but

there would be no need to make

supplementary bonding to metal

taps, metal radiators or a metal

bath, providing the bath is not

connected to the metallic building

structure.

Any metal gas pipe, oil pipe or

unvented water heater discharge

pipes must be earth bonded in

accordance with electrical

regulations.

On the typical new installation

outlined above the use of a

plastic system will reduce the

need for earth bonding compared

to a full copper system.

Existing installations

For existing metal pipework

systems, the installer needs to be

aware that if Equator pipe or a

moulded fitting is inserted into a

metal pipe, the electrical

continuity of the existing pipe

Equator pipe can be frozen by

pipe freezing equipment for

maintenance to water filled

pipes. The freezing process will

take slightly longer than

normally expected for copper

pipe. Always follow the freezing

equipment manufacturers’

advice.

Thermal expansion

Equator pipe will expand more

than copper piping, however no

special provision is usually

necessary in domestic

applications as the pipe will flex

between fixed points and

Equator joints will remain

secure. On projects where long

straight pipe runs apply e.g. on

commercial buildings, provisions

to maintain correct pipe

alignment during thermal

expansion will be required. This

may involve the use of

proprietary brackets, pipe

anchors and/or offset bends. For

further advice refer to

BS EN 806 or contact the

Technical Hotline on

01622 852 695.

Noise reduction

Unlike metal pipes which are

rigid and are prone to generate

noise from thermal movement or

water hammer, Equator pipe is

flexible and therefore runs

virtually silent.

For detailed technical data on

Equator pipe please refer to

Appendix C.

DESIGN SECTION

5

Table 3 Pipe sizes and lengths

Diameters (mm) 10 15 22 28

Lengths

3m Straight • • •

6m Straight • • •

25m Coil • •

50m Coil • • •

100m Coil • •

Table 4 Dimensions of Equator pipe

Nominal size Mean outside diameter (mm) Wall thickness (mm)(mm) Minimum Maximum Minimum Maximum

10 9.9 10.1 1.5 1.8

15 14.9 15.1 1.5 1.8

22 21.9 22.1 2.0 2.3

28 27.9 28.1 2.6 2.9

PE-X

AdhesiveEVOH barrier

PE-X

Adhesive

Electrical bonding


FittingsA comprehensive range of

fittings is produced to cover most

domestic and small commercial

central heating, and hot & cold

water systems up to 28mm size.

A range of manifold fittings and

accessories complements the

design flexibility of the Equator

system.

The body of the basic fitting is

made from cross-linked

polyethylene, the same heat

resistant and tough material as

for the pipe. The socket ends are

reinforced with a marine grade

316 stainless steel end cap

enabling the fitting to withstand

the effects of pressure and end

loading.

The bodies of BSP screwed

adaptors, valves and drain taps

are manufactured in DZR

quality brass.

Equator push-fit joints should

not be used on chrome plated

copper tube, stainless steel tube

or plain brass spigot ended

fittings not within the

Equator range.

Fitting designEach socket incorporates a

pre-lubricated O-ring and a grip

ring.

When pipe is pushed into the

socket it first passes through the

grip ring and then through the

O-ring. The pipe is fully home

when it meets the pipe stop in

the bottom of the socket.

The grip ring is a unique design

which allows it to be ‘relaxed’ or

open during pipe insertion.

When tugging back on the joint

after insertion, or when filling

the system with water, the grip

ring moves to engage the support

collar which closes the grip ring

locking it tightly onto the pipe.

When making joints with either

plastic or compression fittings an

Equator support sleeve must

always be used. Only use Equator

support sleeves on Equator pipe,

never use other manufacturer’s

support sleeves with the

Equator system.

Marley Plumbing and Drainage

advise against the mixing of

other proprietary push-fit

products. Where necessary or

where it is unavoidable, i.e. in

renovation work, connection to

other push-fit systems is possible

providing the fittings or pipe is

manufactured to BS 7291.

Particular care is needed when

using spigot fittings, as the

position of any grip ring groove

varies with each push-fit system

manufacturer.

For dimensional information on

the basic Equator fittings please

refer to Appendix D.

DESIGN SECTION

O-ring seal

Spacer washer

Grip ring

Notes:1. The 28mm joints

incorporate athicker spacerwasher thanshown

2. Joint componentsare factory fittedand are notdesigned to betaken apart

Support collar

End cap

Equator fitting specification

Body Cross linked polyethylene (PE-X)

O-ring seal Ethylene propylene dienmonomer (EPDM)

Spacer washer Acetal

Grip ring 301 stainless steeltoothed grip ring in amoulded glass filledacetal support

Support collar Glass filled Acetal

End cap 316 marine grade stainless steel

Pipe support 316 marine grade sleeve stainless steel(not shown)

6


Pressure loss due to water flow

rates may be estimated using one

of the tables in Appendix E.

The tables are based on the

Colebrook-White Equation for

smooth pipes. Some designers

use cold water head loss data

when sizing metal piping for

domestic hot water supply, on

the basis that this safety factor

will offset any scale build up.

However, as Equator pipe is scale

resistant, hot water head loss

data may be used.

Allowances for any pipe fittings

should be made as normal within

the industry.

Pressure loss through Equator

valves can be calculated using

the tables found in Appendix F.

Service designconditionsAll systems must be designed to

operate within the limits in

Tables 1 and 2.

Cold water systems

No special precautions are

necessary for Equator pipe and

moulded fittings as the system is

suitable for working pressures

up to 12 bar and mains water

supplies are typically much less.

Vented hot water systems

No special precautions are

necessary for Equator in this

type of system.

System design Hot and cold water systems

should be designed using

the methods detailed in

BS 6700: 1997.

Central heating systems should

be designed using the methods

detailed in BS 5449: 1990, BSEN

12828 & 12831.

Further design information can

be obtained from either of the

following sources:

• BS 5955: Part 8

• Plumbing Engineering Services

Design Guide – published by

the Institute of Plumbing

• Publications by the Chartered

Institute of Building Services

Engineers.

Although the inside diameter of

Equator pipe is slightly less than

that of copper, the effect on

frictional resistance can be

reduced due to the following:

• Fewer elbows and couplers

are required

• There is no build up of solder or

burrs to impede the rate

of flow

• The PE-X pipe and fittings

significantly reduce scale

build up.

Unvented hot water systems

For unvented hot water systems

including domestic hot water fed

from combi boilers or

instantaneous heaters, no special

precautions are necessary for

Equator where the system

working pressure is below 6 bar.

Where this is not so, a pressure

reducing valve should be fitted

on the cold feed to the heater.

Some heaters must operate

at pressures much less than

6 bar, and therefore

pressure-reducing requirements

of the heater manufacturer

should then be followed.

Central heating systems

Central heating systems

will operate within the limits

contained in Table 1 when

properly designed, installed,

commissioned, and operated in

accordance with BS 5449, and

the boiler manufacturer’s

recommendations.

Equator is suitable for many

types of systems such as combi-

boiler, condensing boiler,

thermal storage unit etc.

See Appendix B for corrosion

inhibitors.

DESIGN SECTION

7

Body


BoilersEquator pipe may only be

fitted to gas and oil fired boilers

where the point of connection is

more than 350mm above or

below the boiler casing.

See Fig 1.

Equator is not suitable for gravity

primary circuits on solid fuel

boilers or solar heating systems

as it is not usually possible to

adequately control temperatures

to ensure the long term longevity

of the pipe.

For back boilers, copper pipe

should be used in the boiler

recess, and extending to outside

of the chimney breast.

Marley Equator barrier pipe

and fittings are subjected to

testing to confirm their ability

to withstand all normal

operation conditions. In

addition they are tested under

malfunction conditions which

are defined in BS 7291, to

ensure that they are capable

of withstanding the conditions

generated when the control

thermostats of a boiler (or

other heat generating source)

fail or malfunction and subject

the pipework to a temperature

of up to 114°C +/- 2°C for a

short period of time.

Marley Equator pipes and

fittings are certified to BS

7291/3 and will withstand the

Class S malfunction test of

1000 cycles between 114°C and

20°C at 3.5 bar pressure

without failure occurring.

It should be noted, however,

that the use of Marley

Equator pipes and fittings

with any heat source which

can generate higher

temperatures or pressures

than 114°C and 3.5 bar during

either normal operation or

malfunction could result in

the failure of the Marley

Equator pipes and fittings.

Such conditions will almost

certainly result in the release

of superheated steam and

boiling water which could

result in serious injury to any

person in close proximity.

Further information can be

obtained from the Technical

Services department of

Marley Plumbing & Drainage.

DESIGN SECTION

8


9

This method of installing

pipework presents several

distinct advantages:

• No risk of damage to pipework

when fixing floor boards

• Larger pipe sizes can be routed

across joist spans by drilling

compared to notching

• There is adequate space around

the pipe for correct thickness of

thermal insulation to be fitted in

accordance with Building

Regulations or where required by

the clients specification

The flexible nature of Equator

pipework makes it ideally suited

to be cabled through proprietary

timber ‘I’ joists,

such as TJI joists used in the

Silent Floor System

manufactured by TJM Europe

where semi punched holes are

provided, or through perforated

steel beams.

Pipe layouts –general adviceThe Equator system is ideal for

routing services through:

• floor voids

• ceiling voids

• lofts

• conduit piping

Where surface mounted

pipework must be used it may be

preferable to use rigid pipes, i.e.

copper. Equator fittings joint to

copper pipe without the need for

any special adaptors.

NHBC pipedetectionrequirementsTo comply with the NHBC

requirement to detect plastic

pipework behind or in wall

surfaces, apply Equator pipe

detection tape (ET100) to

the pipework.

Pipe layoutsthrough floorjoistsEquator’s flexibility permits easy

cabling through floor joists,

notching is not necessary. This

method of fixing means that

pipework can be installed after

the floor has been laid, working

from below.

DESIGN SECTION

Guidelines for drilling traditional

timber joists

The correct location for drilling

joists is different to

the notching zone.

Holes should be drilled in

accordance with BS 6700,

BS 5449 and NHBC regulations.

Figs 2 and 3 give guidance on

the regulations.

To assist in calculating the 0.25

and 0.4 factors for a particular

joist span, Fig 4 may be used

on page 10.

Table 5 Recommended minimum holesize for pipes through joists

Pipe size Hole diameter

10 15

15 20

22 28

28 32


Pipe layoutsusing 10mmEquator pipeCentral heating

The use of 10mm flow and

return radiator connections are

very popular with house builders

as the smaller pipes can be

concealed behind plasterboard

(refer to Installation Section for

more details).

Equator pipe is ideal for this

application and has the

advantage over copper of being

resilient to impact damage

which can sometimes be caused

by following trades.

Several boiler manufacturers and

heating designers recommend

the use of a ‘high head’

circulating pump whenever

minibore size pipe (pipe with

diameter less than 15mm), is to

be installed. Whatever pump is

specified, it is advisable to check

that the circulating head of the

pump will be adequate to

overcome the resistance of 10mm

piping plus all other resistances

of the index run.

To easily estimate the frictional

loss of 10mm Equator pipework

based on the design load at 11ºC

temperature drop, Table 6 may

be used.

Hot and cold water

On mains water fed systems,

where pressure is ‘lively’, the use

of 10mm pipework to supply a

wash basin, bidet or WC has

been found to be adequate.

Equator pipe is ideal for this

application. The system designer

should consider the running

pressure loss through the system

and the minimum head required

at the appliance to determine

that 10mm pipe will be adequate.

DESIGN SECTION

Table 6 Frictional loss (kPa) for 10mm heating pipes

Design load of circuit (KW) Circuit length in metres (flow plus return pipe)for 11ºC temp drop 5m 10m 15m 20m

0.6 1.825 3.650 5.475 7.300

0.8 2.980 5.960 8.940 11.920

1.0 4.405 8.810 13.215 17.260

1.2 6.030 12.060 18.090 24.120

1.4 7.910 15.820 23.730 31.640

1.6 9.965 19.930 29.895 39.860

1.8 12.720 25.440 38.160 50.880

2.0 15.640 31.280 46.920 62.560

NotesAdd an allowance for pipe fittings to the measured circuit length before using this table

To check the system pump head requirement, add the allowance from this table to otherflow resistances such as, heating main runs, boiler, valves, radiators etc.

10

Fig 4 Graph to aid location of drilling limits

2.5

2.0

1.5

1.0

0.5Dis

tan

ce f

rom

en

d o

f sp

an (

m)

Span of joist (m)

0.4 x joist span

0.25 x joist span

2.0 3.0 4.0 5.0 6.0


Valved manifolds

These are mainly designed for

hot and cold water supply.

As the valves are not full bore

they are not suitable for gravity

low pressure hot and cold water

systems, refer to flow

performance data in

Appendix G.

Each valve head incorporates a

twin disc label system. The top

disc can be fitted with either the

red or blue side facing the user

and is slotted to display the

appropriate wording on the

bottom disc. The choice of

wording on the bottom disc is

given in Appendix H.

Plain manifolds

These are mainly for central

heating, but can also be used for

hot and cold water supply where

full isolation is not required.

For a complete listing of the

fittings and accessories

associated with this range please

refer to the Equator Product

Range at the back of this guide.

Installation details for this

system can be found in the

Installation section of this guide.

Manifold dimensions can be

found in Appendix H. Pressure

loss data can be found in

Appendix G.

Pipe layoutsusing themanifold andconduit systemThe Equator range includes a

complete manifold and conduit

system that allows piping to run

within floor screeds and masonry

walls. This method enables the

future withdrawal of the pipe

and thus complies with Water

Regulations access requirements.

Manifolds – General

Equator manifolds are ideal for

central heating plus hot and cold

water systems. The Equator

manifold system can be close

coupled to make-up manifolds

having any number of outlets, as

required. Table 7 details

operational data for Equator

manifolds.

The maximum number of

manifold ports which can be

fitted in the manifold box is

stated in Appendix H.

Piping layout –special adviceLegionella

All materials within the

Equator range are classified

as safe for use in contact with

water for human consumption.

The main risk of colonisation

by legionella bacteria relates

to the system operating

temperatures and stagnation

of water within the system,

as detailed in current

UK publications such as

BS 6700: 1997, HSC Doc L8,

HSE Doc HS(G) 70 and CIBSE

Doc TM13.

Equator push-fit joints reduce

the risk of contamination as

installation requires no use of

flux, solder or joint sealing

compound, which could form

a nutrient for bacteria. Equator

piping is far less prone to scale

build-up than metal piping,

which helps to promote a

cleaner system.

Vermin

Materials within the Equator

range do not attract vermin.

However, any materials that are

softer than rodent’s teeth are

liable to be gnawed, including

PVC covered electrical conduit.

As vermin are known to carry

pathogens and spread diseases,

buildings should be constructed

and maintained to exclude such

pests.

DESIGN SECTION

11

Table 7 Operating data for manifolds

Operational detail bar

Maximum operating 10pressure at 20ºC

NoteMaximum operating pressure for heatingand hot water as Table 1 & 2 in this guide


Equator is accepted for 3 Star

Service Cover by British Gas and

Scottish Gas throughout

the U.K.

The Equator range is

manufactured within a

Quality Management System

which complies with

BS EN ISO 9000: 2000.

In addition to compliance with

packaging legislation introduced

in 1997, Marley places great

emphasis on ensuring that all

manufacturing processes and

practices are environmentally

responsible.

Marley Plumbing and Drainage

also play an active role at industry

level with the British Plastics

Federation where broader

industry wide environmental

issues are addressed.

Guarantee

Marley Extrusions Limited

guarantees the Equator product

range for 30 years against defects

in design or manufacture, or

against defective materials. This

guarantee is only valid when

Equator is installed correctly

according to manufacturer's

design and installation guidelines

and providing the installation is

operated within the pressure and

temperature limits as stated in

the Equator Design and

Installation Guide. The scope of

this guarantee is limited to the

replacement of defective products

and all consequential losses of

any nature are excluded. Normal

'wear and tear' and all brass or

valved assemblies are excluded.

DESIGN SECTION

G

UARANTEED

YEARS

30

12

BS 7291: Parts 1 & 3:2001 - Class S FM 30637

Appendix AApprovals and standards

All plastics pipe and fittings

in the Equator product range

comply with the recommen-

dations of BS 6920: 1990 –

suitability of non-metallic

products for use in contact with

water for human consumption,

with regard to their effect on

the quality of the water.

Equator complies with BS 7291:

Part 1 2001 which covers the

general requirements of

thermoplastic pipes and BS 7291:

Part 3: 2001 – specification for

cross-linked polyethylene (PE-X)

pipes and associated fittings.

Equator complies with the

highest rating, which is Class S.

Most products in the Equator

range are certified by WRAS

and BBA. Full details and

copies of certificates are available

by request or via

www.marley.co.uk

The Equator system is designed

to meet most international

test standards; for current

approvals contact the Technical

Hotline on: 01622 852695.

0612039Certificate No 00/3763

CER

TIFI

EDTO

BRITISH

STAN

DA

RD


manufacturers conduct their own

tests to verify that the chemicals

will not adversely affect

pipework materials.

Household chemicals

PE-X gives good resistance to

most household chemicals. In

the event of accidental spillage,

it is recommended that Equator

pipework should be washed with

clean water. Avoid contact

between Equator pipework and

paint thinners, paint stripper,

acid based descalents and

aggressive cleaning agents.

Soldering flux

The transfer of flux traces by

handling with contaminated

hands is not detrimental to

Equator pipework, however:-

• Do not allow flux to run onto

Equator pipe or fittings

• Keep Equator products away

from any sources of naked flame,

wrap a damp cloth around the

copper pipe during soldering to

control conductive heat

• Do not allow hot solder to come

into contact with any Equator

products.

Painting

Equator pipework may be

painted with either emulsion or

oil based gloss paint. Cellulose

based paints must not be used.

Wood preservative

Apply treatment to timber and

allow for absorption of chemicals

prior to installing Equator

pipework in the same location.

Appendix BChemical resistance

Water

Equator PE-X pipework is

suitable for the conveyance of all

potable water whether hard or

soft, and may be used to convey

other aqueous media such as

distilled water, brackish (salty)

water, and ‘grey’ (ablutionary)

waste water.

Chlorine

Potable water which contains

chlorine at levels which is safe

for human consumption will not

adversely affect Equator

pipework. Where disinfection is

required, systems formed by

Equator pipework may be

disinfected with chlorinated

water using the concentration

level, contact period, and

procedure described in BS

6700:1997. Applications which

require the continuous

maintenance of a high

concentration level of chlorine,

such as display water systems,

are not suitable for Equator

pipework.

Central heating corrosion

inhibitor

Companies such as Fry

Technology UK – ‘Fernox’

(tel: 0870 601 5000) and Betz

Dearborn Ltd – ‘Sentinel’

(tel: 0151 420 9563) manufacture

central heating corrosion

inhibitor which they have tested

and found to be suitable for all

materials within the Equator

product range. There is currently

no British Standard for corrosion

inhibitor, and reputable

Antifreeze

Equator pipework is suitable for

heating systems in which

antifreeze based on ethylene

glycol has been mixed with

the water.

Trace heating

The use of Equator pipe with

trace heating is not

recommended as the source of

the heat is uncontrolled.

Appendix C

DESIGN SECTION

13

Technical data for Equator pipe

Thermal conductivity 0.37w/m ºC

Expansion coefficient 1.9 x 10-4 m/m ºC

Modulas of elasticity 670N/mm2

Vicat softening point 126ºC (min)

Density 0.94g/cm3

Note: The above data is typical for the

PE-X polymer used to extrude Equator

pipe, and should not be regarded as a

performance guarantee.

Pressure conversion

1m head = 9810Pa = 9.81kPa

1bar = 10.2m head

1m head = 1.422psi


Appendix D

DESIGN SECTION

Dimensions of basic fittings

Fitting Code Size (mm)

Socket profile D

10 20

15 29

22 37

28 47

Stop end for pipes S

ESEP10 10 19

ESEP15 15 27

ESEP22 22 29

ESEP28 28 38

Straight connector C

ESC10 10 35

ESC15 15 49

ESC22 22 51

ESC28 28 67

Stop end for fittings F

ESEF15 15 55

ESEF22 22 55

90º bend E

EB9010 10 26

EB9015 15 37

EB9022 22 42

EB9028 28 55



Equal tees T B

EET10 10 52 26

EET15 15 73 37

EET22 22 83 42

EET28 28 108 55

End reduced tees T B

EERT 22 x 15 x 22 83 42

Branch reduced tees T B

EBRT15 15 x 15 x 10 65 31

EBRT22 22 x 22 x 15 74 42

EBRT2815 28 x 28 x 15 93 45

EBRT2822 28 x 28 x 22 101 46

Branch and one end reduced tees T B

EBRT122 22 x 15 x 15 74 42

EBRT128 28 x 22 x 22 99 50

Both ends reduced tee T B

EBET22 15 x 15 x 22 83 37

EBET28 22 x 22 x 28 91 54

S

B

B

T

TC

F

E

CL

14

D

CLT

B

CL

CL

B

CLT

B

CLT


15

DESIGN SECTION



Branch reduced tee – spigot S1 S2 S3

EBRTS15 15 x 15 x 10 31 34 33

EBRTS22 22 x 22 x 15 42 39 37

Shut-off valve V

ESV15 15 68

ESV22 22 72

Appliance valve V

EAV153 15 x 3/4” 55

Double check valve D

EDCV15 15 88

EDCV22 22 100

NNootteeThese dimensions are in mm, and are forgeneral information only. Marley reservesthe right to make dimensional changeswithout notice.

A complete product listing can be found inthe fold out product chart at the back ofthis catalogue.

Valves operating temperature

and pressure

Shut-off valves and double

check valves comply with the

performance requirements of

BS 6675 and BS 6282

respectively, system operating

pressure and temperature

ratings should comply with

Tables 1 and 2 of this guide.

However, for double check

valves the maximum working

pressure must not exceed

10 bar.

V

D

V

S1

CLS2

S3CL


DESIGN SECTION

Head loss for Equator pipe at 15ºC

Mass flow 10mm diameter 15mm diameter 22mm diameter 28mm diameter

kg/sec Velocity m/s kPa/m Velocity m/s kPa/m Velocity m/s kPa/m Velocity m/s kPa/m

0.10 2.84 16.275 0.94 1.1580.12 3.41 22.401 1.12 1.5890.14 3.98 29.368 1.31 2.078 0.57 0.2930.16 4.55 37.151 1.49 2.623 0.66 0.3690.18 1.68 3.223 0.74 0.4520.20 1.87 3.876 0.82 0.543 0.51 0.1750.22 2.05 4.582 0.90 0.642 0.56 0.2060.24 2.24 5.339 0.98 0.747 0.61 0.2400.26 2.43 6.146 1.06 0.859 0.66 0.2750.28 2.61 7.003 1.14 0.978 0.71 0.3130.30 2.80 7.909 1.23 1.103 0.76 0.3530.32 2.98 8.863 1.31 1.236 0.81 0.3950.34 3.17 9.865 1.39 1.374 0.86 0.4400.36 1.47 1.519 0.91 0.4860.38 1.55 1.671 0.96 0.5340.40 1.63 1.829 1.01 0.5840.42 1.71 1.993 1.06 0.6370.44 1.79 2.163 1.11 0.6910.46 1.88 2.340 1.16 0.7470.48 1.96 2.522 1.21 0.8050.50 2.04 2.711 1.26 0.8650.52 2.12 2.905 1.31 0.9260.54 2.20 3.105 1.36 0.9900.56 2.28 3.312 1.41 1.0560.58 2.36 3.524 1.47 1.1230.60 2.45 3.742 1.52 1.1920.62 2.53 3.965 1.57 1.2630.64 2.61 4.195 1.62 1.3360.66 2.69 4.430 1.67 1.4110.68 2.77 4.671 1.72 1.4870.70 2.85 4.917 1.77 1.5650.72 2.93 5.169 1.82 1.6450.74 3.02 5.427 1.87 1.7270.76 1.92 1.8100.78 1.97 1.8950.80 2.02 1.9820.82 2.07 2.0710.84 2.12 2.1610.86 2.17 2.2530.88 2.22 2.3470.90 2.27 2.4430.92 2.32 2.5400.94 2.37 2.6390.96 2.42 2.7390.98 2.47 2.8411.00 2.52 2.9451.02 2.57 3.0511.04 2.62 3.1581.06 2.67 3.2661.08 2.72 3.3771.10 2.77 3.4891.12 2.82 3.6021.14 2.88 3.7181.16 2.93 3.8351.18 2.98 3.9531.20 3.03 4.073

NNoottee At 15ºC: Litres/sec ~_ kg/sec

Appendix EHead loss for Equator pipe

16


17

DESIGN SECTION

Head loss for Equator pipe at 55ºC

Mass flow 10mm diameter 15mm diameter 22mm diameter 28mm diameter

kg/sec Velocity m/s kPa/m Velocity m/s kPa/m Velocity m/s kPa/m Velocity m/s kPa/m

0.10 2.88 13.564 0.95 0.9530.12 3.46 18.739 1.14 1.3140.14 4.04 24.642 1.32 1.724 0.58 0.2410.16 4.61 31.252 1.52 2.182 0.67 0.3040.18 1.70 2.688 0.75 0.3740.20 1.89 3.240 0.83 0.450 0.52 0.1440.22 2.08 3.837 0.91 0.533 0.57 0.1700.24 2.27 4.478 1.00 0.621 0.62 0.1980.26 2.46 5.163 1.08 0.716 0.67 0.2280.28 2.65 5.892 1.16 0.816 0.72 0.2600.30 2.84 6.662 1.24 0.922 0.77 0.2940.32 3.03 7.475 1.33 1.034 0.82 0.3290.34 1.41 1.151 0.87 0.3670.36 1.49 1.274 0.92 0.4060.38 1.57 1.403 0.98 0.4460.40 1.66 1.537 1.03 0.4890.42 1.74 1.676 1.08 0.5330.44 1.82 1.821 1.13 0.5790.46 1.90 1.971 1.18 0.6260.48 1.99 2.127 1.23 0.6760.50 2.07 2.287 1.28 0.7260.52 2.15 2.453 1.33 0.7790.54 2.23 2.624 1.38 0.8330.56 2.32 2.800 1.43 0.8890.58 2.40 2.982 1.49 0.9460.60 2.48 3.168 1.54 1.0050.62 2.56 3.359 1.59 1.0660.64 2.65 3.555 1.64 1.1280.66 2.73 3.757 1.69 1.1910.68 2.81 3.963 1.74 1.2560.70 2.89 4.174 1.79 1.3230.72 2.98 4.390 1.84 1.3910.74 3.06 4.611 1.89 1.4610.76 1.95 1.5330.78 2.00 1.6050.80 2.05 1.6800.82 2.10 1.7560.84 2.15 1.8330.86 2.20 1.9120.88 2.25 1.9920.90 2.30 2.0740.92 2.35 2.1570.94 2.40 2.2420.96 2.46 2.3280.98 2.51 2.4161.00 2.56 2.5051.02 2.61 2.5961.04 2.66 2.6881.06 2.71 2.7811.08 2.76 2.8761.10 2.81 2.9721.12 2.86 3.0701.14 2.92 3.1691.16 2.97 3.2701.18 3.02 3.3721.20 3.07 3.475

NNootteeAt 55ºC: Litres/sec x 1.015 = kg/sec

Appendix E (continued)


DESIGN SECTION

Head loss for 10 & 15mm Equator pipe at 75ºC

Mass flow 10mm diameter 15mm diameter

kg/sec Velocity m/s kPa/m Velocity m/s kPa/m

0.010 0.30 0.230 0.10 0.0170.015 0.44 0.461 0.15 0.0340.020 0.59 0.759 0.19 0.0550.025 0.73 1.119 0.24 0.0800.030 0.88 1.537 0.29 0,1100.035 1.02 2.013 0.34 0.1430.040 1.17 2.544 0.39 0.1810.045 1.31 3.128 0.43 0.2220.050 1.46 3.766 0.48 0.2660.055 1.61 4.454 0.53 0.3150.060 0.58 0.3660.065 0.63 0.4210.070 0.67 0.4800.075 0.72 0.5420.080 0.77 0.6070.085 0.82 0.6750.090 0.86 0.7460.095 0.91 0.8210.100 0.96 0.8990.105 1.01 0.9790.110 1.05 1.0630.115 1.10 1.1500.120 1.15 1.2400.125 1.20 1.3330.130 1.25 1.4280.135 1.29 1.5270.140 1.34 1.6290.145 1.39 1.7330.150 1.44 1.8400.155 1.48 1.9510.160 1.53 2.064

NNoottee

Heating design flow should be based on kg/sec

Head loss for 22 & 28mm Equator pipe at 75ºC

Mass flow 22mm diameter 28mm diameter

kg/sec Velocity m/s kPa/m Velocity m/s kPa/m

0.075 0.32 0.0760.080 0.34 0.0850.085 0.36 0.0950.090 0.38 0.1050.095 0.40 0.1150.100 0.42 0.1260.105 0.44 0.1370.110 0.46 0.1490.115 0.48 0.1610.120 0.51 0.173 0.31 0.0560.125 0.53 0.186 0.33 0.0600.130 0.55 0.199 0.34 0.0640.135 0.57 0.213 0.35 0.0680.140 0.59 0.227 0.37 0.0730.145 0.61 0.241 0.38 0.0770.150 0.63 0.256 0.39 0.0820.155 0.65 0.271 0.40 0.0870.160 0.67 0.287 0.42 0.0920.165 0.69 0.303 0.43 0.0970.170 0.71 0.319 0.44 0.1020.175 0.73 0.336 0.46 0.1070.180 0.76 0.353 0.47 0.1130.185 0.78 0.371 0.48 0.1180.190 0.80 0.388 0.50 0.1240.195 0.82 0.407 0.51 0.1300.200 0.84 0.425 0.52 0.1360.210 0.88 0.464 0.55 0.1480.220 0.92 0.504 0.57 0.1610.230 0.96 0.545 0.60 0.1740.240 1.01 0.587 0.62 0.1870.250 1.05 0.632 0.65 0.2010.260 1.09 0.677 0.68 0.2160.270 1.13 0.724 0.70 0.2310.280 1.17 0.772 0.73 0.2460.290 1.21 0.822 0.75 0.2620.300 1.26 0.873 0.78 0.2780.310 1.30 0.926 0.80 0.2940.320 1.34 0.980 0.83 0.3120.330 1.38 1.035 0.86 0.3290.340 1.42 1.091 0.88 0.3470.350 1.46 1.149 0.91 0.3650.360 1.51 1.208 0.93 0.3840.370 0.96 0.4030.380 0.99 0.4230.390 1.01 0.4430.400 1.04 0.4630.410 1.06 0.4840.420 1.09 0.5050.430 1.11 0.5270.440 1.14 0.5490.450 1.17 0.5710.460 1.19 0.5940.470 1.22 0.6170.480 1.24 0.6410.490 1.27 0.6650.500 1.30 0.6890.510 1.32 0.7140.520 1.35 0.7390.530 1.37 0.7650.540 1.40 0.7910.550 1.42 0.8170.560 1.45 0.8440.570 1.48 0.8710.580 1.50 0.898

NNootteeHeating design flow should be based on kg/sec

18

Appendix E (continued)


19

DESIGN SECTION

Appendix FHead loss through Equator valves

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

100 200 500 1000 2000 5000

Flow – litres/hour

EDCV

15

EDCV

22

ESV1

5 &

EAV

15

ESV2

2

Hea

d l

oss

bar

100 000

50 000

20 000

10 000

5 000

2 000

1 000

500

200

200 500 1000 2000 5000 10 000

Flow – kg/hour

Hea

d l

oss

Pa

Head loss graph for end to end flow through 2 port, 3 port & 4 port valved manifold

Flow direction

orNotes

1 Graph line 1 relates to 3/4” 4 port

For 3 port: graph Pa x 0.80 = head loss

For 2 port: graph Pa x 0.60 = head loss

2 Graph line 2 relates to 1” 3 port for

2 port: graph Pa x 0.6 = head loss

Line

1Li

ne 2

Appendix G(continued)

Appendix GHead loss through manifolds


DESIGN SECTION

100 000

50 000

20 000

10 000

5 000

2 000

1 000

500

200

1005 10 20 50 100 200 500 1 000 2 000 5 000

Flow – kg/hour

Hea

d l

oss

Pa

Head loss graph for port outlet flow on valved manifolds

Appendix G (continued)

20

Line

1Li

ne 2

Line

3Li

ne 4

Notes

1 Graph line 1 relates to 10mm port quarter turn open.

2 Graph line 2 relates to 15mm port quarter turn open.

3 Graph line 3 relates to 10mm port fully open.

4 Graph line 4 relates to 15mm port fully open.

Flowdirection


21

DESIGN SECTION

100 000

50 000

20 000

1000

5 000

2 000

1000

500

200

100100 200 500 1000 2 000 5 000

Flow – kg/hour

Hea

d l

oss

Pa

Head loss graph for port outlet flow (hot & cold water) on plain manifolds

10 000

5000

2000

1000

500

200

100

50

20

1010 20 50 100 200 500 1000 2 000

Flow – kg/hour

Hea

d l

oss

Pa

Head loss graph for port outlet & inlet flow (heating systems) on plain manifolds i.e. combined head loss for inlet and outlet port flow

Flowdirection

Flowdirection

Appendix G (continued)Li

ne 1

Line

2

Line

1

Line

2

Notes

1 Graph line 1 relates to 10mm ports.

2 Graph line 2 relates to 15mm ports.

3 Head loss for end to end flow through

manifolds is negligible.


Appendix HManifold dimensions

DESIGN SECTION

CL 15

BL

BW

Lid front view Lid side view

Box front view

Manifold inspection box & lid

Terminal end box (two piece)

Manifold bracket

Box sideview

60

90

20 – 35(variable)

45 – 60(variable)

40

20

20

125

40

52

100

52

73

50

8mm wide top fixing slot

8mm wide bottom fixing slot

20 x 30

CW

87

22

Dimension Product Code

Reference EMJB1 EMJB2

BL 313 493BW 260 260CL 332 512CW 282 282

The maximum length of manifolds that can befitted in each manifold box (excluding elbows ordrain cocks on the inlet pipes) is as follows:

Box Ref Plain Ports Valved Ports

EMJB1 6 5EMJB2 10 9

Note: All four sides of the box are providedwith knock-outs to allow routes for inletand outlet piping.


23

DESIGN SECTION

104

150

195

45 45 45

45 45

45

94End view

End view

WS

130

166

36 36 36

36 36

36

PS

Body Size WS

1” 533⁄4” 50

Body Size PS

1” 493⁄4” 47

Valved manifolds front view

Plain manifolds front view

NNootteess1 When joining two or more manifolds together, it is

necessary to achieve correct tightness of the thread,and at the same time to ensure alignment of themanifold bodies. To ease this problem, installersare recommended to use a WRAS approvedanaerobic paste sealant. These modern sealantsrequire much less torque yet will still provide aneffective seal, after the chemical has set.

2 If it is necessary to remove a valve stem from themanifold body, it is recommended that a 15mm boxspanner or ring spanner is used, to avoid damage to the brass hex-shaped stem.

3 These dimensions are in mm, and are for generalinformation only. Marley reserves the right to makedimensional changes without notice.

4 A complete product listing can be found in theproduct chart at the back of this catalogue.

Optional valve head disc wording

Side 1 Side 2

Lounge Utility

Dining Toilet

Kitchen Shower

Bedroom Bath

Study Sink

Conserv. W.Mach

Hall (Blank)


DESIGN SECTION

Notes

24


Installation section

26 Making a push-fit joint

26 De-mounting a push-fit joint

27 Push-fit Jointing to brass spigots

27 Push-fit jointing to copper pipe

27 Jointing to compression fittings

28 Jointing pipe to screwed ends

28 Jointing to stainless steel pipe or chromed copper

28 Pipe bends

28 Pipe fixing

28 Support recommendations

28 Routing pipework

29 Pressure testing

29 Boiler connections

29 Connecting to cylinders

29 Connecting to radiators

32 Manifold & conduit plumbing systems

34 Conduit system

36 Appendix I-KI Fault finding

J Storage and handling

K Use of Equator with other systems

38 Your questions answered

39 References

25


Making a push-fit joint

1 Cut the PE-X pipe to length

using the Marley pipe cutter or

similar plastic pipe cutter.

Slight pressure as if to twist the

cutter around the pipe will aid

cutting.

Check that the pipe end is clean,

cut square and free of burrs

and without surface damage.

2 Push a pipe support sleeve

fully into the pipe end.

All inserts have flutes, except

for the 22mm inserts which

have a straight shank and two

bumps located at the end of

the shank.

3 Using a suitable pencil or pen,

mark the insertion depth on

the pipe end. Moulded fittings

have an insertion depth line on

the fitting bodies. Otherwise,

measure the insertion depth in

accordance with dimension

Table 8.

4 Push the pipe into the socket

until the insertion mark on the

pipe meets the edge of the socket.

5 To confirm that the joint is

secure, tug backwards on the

joint.

Notes

1 Additional lubricant may be used

on pipe end when working with

restricted arm room to ease

jointing.

2 When making push-fit joints onto

spigot ends of PE-X fittings, a

pipe support sleeve is not required,

this applies to stop end for fittings,

spigot elbow, and spigot tee.

DO NOT USE OTHER BRANDS OF PIPE

SUPPORT SLEEVES WITH EQUATOR PIPE

De-mounting a push-fit joint

6 Using the plastic de-mounting

tool, place tool around pipe

with the lugs facing the joint.

7 Locate the four lugs to align

with the slots on the face of the

fitting and push the tool

towards the fitting, using equal

pressure around the tool.

8 Holding the pipe firmly in one

hand, grip the end of the de-

mounting tool with the other

hand and gently pull the pipe

to release the joint.

Note

a Fittings can be reused providing

there is no damage evident to the

O-ring. If an Equator fitting has

been removed from a system

which has been in operation, it is

advisable to flush out the joint

with clean water, and allow to

dry off before reusing. When

reusing an Equator fitting, apply

a smear of silicone lubricant

around the pipe end.

b A de-mounted pipe end will show

‘drag’ marks where the pipe has

been pulled back through the

grip ring. These marks will vary

according to the degree of

operative care during de-mounting.

A pipe end may be reused

providing it is not damaged.

Ideally, a de-mounted pipe end

should be trimmed-off before

re-use.

c In order to ensure that an

Equator fitting is de-mountable

when installed, there must be

enough clear space in front of

the joint face to allow the

de-mounting tool to be used.

The minimum dimension between

two opposing Equator joints or

between the face of an Equator

joint and an obstruction is as

shown in fig 5.

d It is not possible to use the de-

mounting tool for Equator joints

where any spigot ended fitting has

been inserted into the socket.

INSTALLATION SECTION

Table 8 Insertion depths for Equator push-fit joints

Pipe size (mm) Insertion depth (mm)*

10 18

15 25

22 26

28 33

*Nominal dimensions including pipesupport sleeve

1

2

3

4

5

6

7

8

26

DE-MOUNTING


When jointing, 15, 22 and28mm copper pipe to Equatorfittings, ensure that the copperpipe end is cut square and de-burred. It is recommendedthat a wheel cutter is used forcutting copper. Check to makesure the copper pipe is notdented. Any flaws could damagethe O-ring during insertionwhich could affect the jointseal.

If the butt of the pipe has notbeen properly prepared, or ifthe pipe is not inserted square,this could result in damage tothe O-ring. A plastic insert isavailable for copper pipe, whichis designed to eliminate thisrisk. It is recommended that theinside rim/bore of the cut endis reamed out, in order that theinsert is seated neatly in thepipe end, see Fig 6b.

Before jointing, mark theinsertion depth on the pipe,application of lubricant to thetube end is recommended.

If joining 10mm copper pipe toEquator push-fit fittings, it isnecessary to form a generouschamfer on the pipe, inaddition to the foregoingrecommendations. Extra care isneeded with ‘soft copper’because it is susceptible tobecoming misshapen or dentedif mishandled on site.

When using Equator pipe orfittings next to soldered copperfittings, it is recommended tocomplete the soldering beforeany Equator pipe or fittings are installed. Where this is notpossible, the following recommendations should befollowed:

Push-fit jointing to brass

spigots

A pipe support sleeve is notrequired when making aconnection to brass spigotedEquator fittings, spigotadaptors and drain cocks.

Brass spigots within the Equatorrange have a machined groovespecially positioned anddesigned to allow the grip ringto achieve a reliable hold onthe brassware.

Plain brass spigot ends or brassspigot ends on other proprietaryjointing systems are notsuitable for use with Equatorfittings.

Push- fit jointing to copper

pipe

Equator fittings can be easilyjointed to copper pipe to BS 2871 Part 1, table X and BS EN 1057-R250.

• Do not allow flux to run ontoEquator pipe or fittings

• Keep Equator products awayfrom any sources of naked flame,wrap a damp cloth around thecopper pipe during soldering tocontrol conductive heat

• Do not allow hot solder to comeinto contact with any Equatorproducts.

Jointing to compression fittings

Equator pipe may be jointed tobrass compression fittingscomplying with BS 864: Part 2:Type ‘A’ and EN 1254-2 & 3. Thecorrect jointing procedure is asfollows:

In general follow procedure 1 asdetailed in the ‘Making a push-fitjoint’ on page 26 and see Fig 6a,then:

1 When jointing Equator pipe tocompression fittings, a soft copperolive is recommended.

2 Slide capnut and compressionolive onto the pipe.

3 Push a pipe support sleeve intothe pipe end, see Fig 6.

4 Ensure that the olive will sit onthe section of pipe lined by thesupport sleeve.

5 Apply several turns of PTFEsealing tape over the olive andassemble the joint.

6 After tightening the capnut byhand, further tighten to compressthe olive firmly against the pipe.

7 To confirm that the joint issecure, hold the fitting and tugbackward on the joint.

NoteEquator pipe should not rotate incompression fitting after tightening


27� �


Jointing pipe to screwed

ends

Equator pipe may be jointed to

screwed pipe ends or threaded

fittings by using the appropriate

male or female adaptor from

the Equator range, please refer

to the product chart at the rear

of this catalogue for complete

range listing. Before jointing

male components PTFE tape

should be applied to the

screwed threads.

For joining Equator pipe to

taps having threaded male

spigots, the appropriate

straight or bent tap connector

from the Equator range should

be used.

Tap connectors are supplied

with a rubber washer, which

should be used without any

additional sealant.

Alternatively the washer can be

replaced with PTFE tape, if

preferred.

DO NOT USE ANY SEALING COMPOUND.

Jointing to stainless steel

pipe or chromed copper

Equator pipe may be joined to

stainless steel pipe or chromed

copper by using a compression

fitting as described on page 27.

Equator push-fit joints are not

suitable for direct connection

onto stainless steel pipe,

chromed copper pipe or plain

brass spigots due to the surface

hardness of these materials.

Pipe bends

The natural flexibility of the

pipe should be used wherever

possible to overcome obstacles

and to form changes of

direction.

Cold-formed bends can be

made by hand and fixed in

position by fixing clips. During

installation, do not bend the

pipe excessively as it may kink.

Minimum bend radii should be

observed to ensure pipe

longevity, see Table 9.

Pipe fixing

Pipes should be fixed using

either the nail or screw clips.

Nail clips are primarily

designed for fixing to timber

where pipe insulation is not

required.

If the installer intends to use

screw clips other than Equator,

these should be the clip-lock

type, not the open saddle type.

Where piping is to be insulated,

pipe spacer blocks should be

used with screw clips.

Where piping is to run

adjacent to a suitable support

member, and does not require

lagging, the use of plastic cable

ties is acceptable, providing

they are suitable for the

operating temperature of the

system.

Support recommendations

The recommended support

distances, shown in Table 10,

should be used when good pipe

alignment is critical for proper

system operation,

ie. for a horizontal section of

a vent pipe or when maximum

neatness is required.

When 10mm or 15mm piping

is run within a concealed void,

it is usually acceptable to reduce

the pipe fixing providing the

risks listed under “Routing

Pipework” can be avoided.

For visible surface fixed

pipework a rigid pipe may be

preferred, such as copper.

Routing pipework• At cross-overs, do not allow

contact between hot and cold

pipes

• Where pipes pass through

concrete or brickwork, provide

a suitable plastics pipe sleeve

• Do not allow pipe to make

contact with any sharp or

abrasive surfaces which could

damage the pipe

• Do not allow pipe to come into

contact with building materials

which may suffer due to the

weight of the water filled pipe

or due to the operating

temperature

• Maintain a reasonable

separation between piping and

electrical services

• Where piping is concealed

behind plasterboard at a depth

of less than 50mm from the

surface it should be fitted at


Table 9 Minimum bend radius (mm)

Pipe size Dimension

10 100

15 175

22 225

28 320

Table 10 Unsupported pipe fixingcentres (mm)

Pipe size Horizontal Vertical

10 300 500

15 300 500

22 500 800

28 800 1000

If supported in a purpose built vice, fixingcentres will be tighter.

28


29

limited to 10 bar. For higher

ambient or water temperatures

apply the values in Table 2 on

page 4.

Boiler connections

For full details refer to the

design section of this guide

entitled ‘Service design

conditions’, pages 7 and 8.

Some wall mounted boilers

incorporate a rear stand-off

design to allow pipework to

drop behind the boiler,

Equator products should not

be used for this location, a

suitable metal pipe should

be used.

Discharge Pipes

A metal pipe must be used as

the discharge pipe to a tundish

from a pressure relief valve

fitted to a combination boiler

or storage vessel in accordance

with the Building Regulations

Part G3 and BS 6700:1997.

Connecting to cylinders

Equator is suitable for use in

connection with all domestic

hot water cylinders, including

unvented systems and thermal

storage units providing the

working pressure does not

exceed 6 bar.

locations where it is unlikely to

be subjected to future damage.

It is therefore recommended

that plumbers observe the

principle often used by

electricians, which is to keep a

pipe route in vertical or

horizontal alignment with a

wall penetration or kept within

150mm of an internal corner as

shown in Fig 7.

Pressure testing

Pressure testing should be

undertaken in accordance with

the Water Regulations/Byelaws

and BS 6700 using cold potable

water. Testing at unnecessarily

high pressures is NOT

advantageous for

push-fit systems.

Suitable fittings are available

for capping off pipe systems

for pressure testing.

The test pressure must not

exceed 12.5 bar at 20ºC except

for manifolds and double

check valves which should be

The discharge pipe from any

temperature relief valve or

combined temperature and

pressure relief valve should be

run in metal piping in

accordance with BS 6700: 1997.

Copper pipework is sometimes

used within cylinder cupboards

for ease of mounting pipeline

components such as circulating

pumps, motorised valves and

air ejectors. The same neat

pipe arrangements can be

obtained using Equator PE-X

pipe by applying the

following guidelines:

• Use pipe from cut lengths,

not coils.

• Clip all sizes of piping at equal

regular spacing, e.g. 500mm

centres assuming all 15mm

horizontal runs are of minimal

length.

• Fit short sections of copper

pipe with suitable clipping to

carry any weighty objects such

as circulating pumps.

• To ease pipe fixing on stud

walls, use a timber panel inside

a cupboard instead of

plasterboard, or fit timber

noggins prior to fixing

plasterboard.

Connecting to radiators

Connections to radiators

may be achieved by different

methods, see over leaf for

recommendations using

Equator pipe and fittings.




30



31


mounted by using the manifold

brackets or housed within an

inspection box. If the installer

wishes to wall mount the

manifolds by using proprietary

brackets, these should be

suitable for the manifold

diameter, and must be able to

be positioned between the

manifold ports, 10mm max

width.

Hot & cold water

applications

The valve heads on the valved

manifold incorporate a twin

disc label system. The top disc

can be fitted with either the

blue or red side on show. For

details of the optional wording

on the bottom disc see

Appendix H.

The valved manifolds are not

suitable for low pressure

gravity hot & cold water supply

due to head loss characteristics.

A typical bathroom installation

is detailed on page 3.

Manifold plumbing is also

suited to non-domestic

bathroom applications such

as student accommodation,

hotels and high rise buildings.

Manifolds are particularly

beneficial where the finishes

make the run-outs from the

service duct virtually non-

accessible and where separate

control of each terminal is

desirable.

The details found in Fig 14

and Fig 15 show how the

manifold system can be used

for a back to back shower

installation.

Heating applications

For central heating systems

the plain manifolds, without

valves, are normally used. A

radial pipe configuration from

a central location is typically

designed using these

manifolds, see opposite for a

typical flat layout using this

type of configuration.

The designer should consider

whether air vents and drain

cocks located at the manifolds

would be required. When the

manifolds are located at low

level on the same floor as the

radiators, it is unusual to

provide drain taps on each

radiator circuit, providing the

main circuits, boiler and water

in each radiator can be emptied

from suitably placed drain

cock(s) located elsewhere.


Manifold &conduitplumbingsystemsManifold plumbing is ideal for

both water supplies and

heating systems where simple

distribution using minimal

joints is desirable.

Manifolds can be used in

conjunction with the Equator

conduit system or with

distribution pipes run in voids.

The manifolds can be close

coupled to make up manifolds

having any number of outlets.

Manifolds can either be wall

32


33



Conduit system

The Equator Conduit system

provides an ideal solution for

embedding pipework into

concrete floors or into masonry

walls, whilst still complying

with Water Regulations access

requirements, this method of

running pipework is sometimes

known as pipe-in-pipe.

Equator pipe should be fed

into the conduit during

installation of the conduit

system. Junction boxes and

terminal end boxes should be

screw fixed to the structure,

at the correct level in respect to

surface finishes to prevent

movement by other trades.

Conduit piping should be

secured to the structure at

regular intervals to minimise

the risk of movement during

floor screeding. The conduit

can be fixed by using a

proprietary strap fixing band

or by using straps formed from

other materials.

Examples of how the conduit

pipe system is utilised can be

found in the ‘connecting to

radiators’ section of the

installation guide, pages

30 and 31.

The conduit pipe is listed in

nominal sizes, 15 & 22mm.

Table 11 details diameters

of conduit pipe and which

Equator pipes fit within a

particular size of conduit.

Pipe-in-pipe

This application allows lengths

of Equator pipe to be easily

installed prior to second fix

and subsequently withdrawn if

required. This method of pipe

installation also reduces the

risk of hairline cracks

appearing in the plastered wall

finish due to pipe temperature

changes.

Pipe fittings should be located

in junction boxes, terminal end

boxes or elsewhere in an

accessible position so that

joints can be demounted to

enable easy withdrawal of pipe

from the conduit.

Equator pipe fittings should not

be embedded in floor screed.

Unused sections of ‘live’ piping

should not be left connected to

the system, as water stagnation

and contamination will occur.

Conduit pipe routing next to

central heating conduit

When running conduit for

domestic hot and cold water

piping adjacent to conduit for

central heating piping, it is

recommended that a separation

distance of not less than 50mm

is maintained to minimise heat

transfer.

Running conduit in floor

screed

When carrying out this type

of installation it is unusual to

provide any insulation to the

pipe contained within the

conduit as air trapped in the

conduit acts as an insulator.

Designers should check that

this is acceptable with the

Water Authority before

installation.

Pipe removalfrom conduitsystemsIt is advisable to attach a ‘draw

cable’ to the existing pipe end

prior to withdrawal of existing

pipework if inspection is

necessary. This is particularly

important where the pipe run

incorporates bends.

Using the Equator de-mounting

tool, remove the fitting from

the pipe.

Pipe can be removed via

terminal end box by screwing

a male BSP threaded pipe into

the terminal connector socket

and by pulling the complete

pipe and terminal fitting out

of the terminal end box.


Table 11 Conduit dimensions

Nominal 15mm 22mmSize

Approx.internal diameter 19mm 28mm

Approx.external diameter 24mm 34mm

For use with 10mm equator pipe sizes & 15mm 22mm

34


Installations using terminal

end boxes and fittings

The following are suggested

installation procedure for

using these fittings:

1 Mark out the wall for chasing,

pipes may be fed from the floor

or on drops from the ceiling

above.

2 Chase out the wall to a depth to

suit the wall finishes thickness,

allowing for adequate cover,

see Fig 16.

3 Fix terminal end boxes in

position by using the central

screw hole or twin side screw

holes.

4 Run conduit, slide PE-X pipe

through and allow a suitable

length to protrude from the

terminal end box.

5 Connect PE-X pipe to the

terminal connector, slide pipe

back towards the terminal end

box and screw in position,

see Fig 17.

6 Fix conduit to the structure.

7 Connect the other end of the

pipe as required.

8 Use the terminal plug to

prevent dirt ingress, and for

pressure testing.

Conduit drop system

In some buildings, particularly

overseas, it is popular to feed

sanitary appliances from high

level hot and cold water mains

using the conduit principle.

The main hot and cold water

branches would often be

located in the ceiling void and

drops to each bathroom would

connect to a manifold point.

Outgoing piping from the

manifolds would run in

conduit and would connect

to a terminal connector inside

a terminal end box, as shown

in Fig 18.


35


Appendix IFault finding


Pipe not fully No pipe support sleeveProblem inserted or wrong sleeve Faulty pipe end Sealing problem

Joint weeps Check insertionmark on pipemeets the face of the fitting

Check to see ifcorrect sleeve wasused for pipeie Equator sleevefor Equator pipe

Check pipe end forsurface damage

If copper pipe wasused is it dented,and has any sharpburr been removedor was a copperpipe insert used?

Check any possibledamage to o-ringor dirt within sealarea

Pipe came out of fitting

Check to see ifpipe was pushedpast the grip ring

Check to see ifcorrect sleeve wasused for pipe

NB.Further Equator technical assistanceIf a pipe end pulls out of a push-fit socket, i.e. because it was only partially inserted, the fitting must not be re-usedas the grip ring may have become damaged.In the event of a complaint on a suspected faulty fitting, both the fitting and the jointed pipe end must be retained.The pipe length should not be less than 100mm long.If after investigation of the fault no cause can be established please contact the Marley Plumbing & Drainagetechnical hotline on 01622 852695.

Storage and handling

Issue Recommendation

PE-X pipe and fittings must be protected from UV degradation as prolonged exposure tosunlight could affect the longevity of the material.

Products stored internally or within sealed product packs or installed within the building willnot be at risk.

Short-term exposure to UV on building sites will not affect the PE-X products.

• Do not store bare PE-X products outside.

• Do not install PE-X product outside without insulation.

• In hot climates where insulation is unnecessary, do not install PE-X product outside withoutpainting or covering to prevent UV damage.

Cut lengths of pipe should be stored flat on a pipe rack, with continuous support.

Coils may be stored either on edge or stacked flat one on top of the other, and provided withsuitable racking to ensure stability. When coils are vertically stacked, the stack height must notexceed 2m.

Size Straight lengths Coils3m 6m 25m 50m 100m

10mm – – 2.25 4.50

15mm 8.8 17.6 1.85 3.70 7.40

22mm 10.2 20.4 4.25 8.50 –

28mm 7.2 14.4 – – –

Fittings should be kept within the polythene bags wherever possible and stored in suitable racking.

Bare fittings should be stored in a clean dirt free environment.

When handling or storing bare fittings do not allow any objects to slide into the socket toavoid damage to the joint internals.

Protecting PE-X from UV damage

Storing and handling pipes

Pack weights (kg)

NNootteeWhen transporting cut lengths orcoils, do not allow the packs or bareproduct to drag along rough ground

Storing and handling fittings

NNootteeDo not push fingers into the push-fitsockets, the sharp stainless steel gripring could be dangerous

Appendix J

36


37


Appendix KUse of Equator with other systems

GUIDANCE ON MIXING OF EQUATOR WITH OTHER PLASTIC SYSTEMS

• The random mixing of push-fit systems throughout an entire new project should be considered as bad practice.

• Connections to other push-fit systems where necessary (such as jointing to existing services, or when connecting to equipmentsupplied with other connectors) should be regarded as reasonable, in which case the guidance below should be observed.

• The following guidance is issued in good faith, however the installer should be aware that both the Marley 30 year guarantee andany other push-fit manufacturer’s warranty would only be valid where ALL jointing components are from one jointing system.

Recommended Pipe Support Sleeves for 15mm ConnectionsHep2O Polyplumb OsmaGold Speedfit

Equatorpipe

Equatorsocket

Use an Equator sleeve (others have a smaller O.D. and may not give adequatesupport to the pipe).

Use the sleeve relevant to the pipe, but as the sleeve length is shorter than theEquator sleeve, the pipe adjacent to the joint must NOT be curved in any way. (AnEquator sleeve would be a very tight fit, and would expand the pipe O.D. whichcould then cause O-ring damage).

Use an Equator orSpeedfit Sleeve.

Use an Equator sleeve(Speedfit sleeves are notchamfered and coulddamage the Equator O-ring).

Recommended Pipe Support Sleeves for 10, 22 & 28mm Connections Hep2O Polyplumb OsmaGold Speedfit

Equatorpipe

Equatorsocket

It is recommended that an Equator sleeve is used, although the sleeve relevant tothe pipe could be used.

Use an Equator sleeve (other sleeves are shorter than the Equator sleeve and maylead to problems if the pipe is curved adjacent to the joint).

Use an Equator orSpeedfit Sleeve.

Use an Equator sleeve.(Speedfit sleeves are notchamfered and coulddamage the Equator O ring)

Use of Spigot Ended Fittings

BrassSpigotEndedFittings

PlasticSpigotEndedFittings

Only use Equator spigots in Equator sockets, and do NOT use Equator spigots in other brands of sockets. (Each brand ofspigot has a grip ring groove which is located specifically for that particular joint style).

Some other brands of spigots have a grip ring groove; do not use these in Equator Sockets. Use of other brands of spigots which do not incorporate a metal support sleeve, are not recommended for jointing toEquator sockets.

Connections to PVC & cPVC Solvent Welded Systems

Connections to existing PVC & cPVC pipework can only be achieved by using a suitable solvent weld x BSP adaptor, then use an Equator BSPadaptor to connect to the thread.

Non-Standard UK Size Plastic Systems

Some plastic piping systems are designed as non-standard UK sizes such as 16mm, 20mm, 25mm, etc. Push-fit connections to these systemsusing Equator should NOT be attempted.



38

Your questions answered

QQ Can I use Equator for direct

connection to the boiler?

A No, please refer to page 8 for

connection details.

QQ Can Equator fittings rotate?

A Yes. All Equator push-fit

fittings are free to rotate

without compromising seal

integrity, even whilst subjected

to water pressure.

QQ Can I re-use an Equator

fitting once I have

de-mounted it?

A Yes, providing the O-ring has

not been damaged. It is not

possible to replace the internal

components of the Equator

fitting.

QQ Why shouldn’t I use a junior

hacksaw to cut PE-X pipe?

A Any lose PE-X particles could

get lodged onto the O-ring and

affect the seal performance.

QQ Will the PE-X material

change the taste of the

water passing through it?

A No.

QQ Can any pipe support sleeve

be used with the Equator

pipe?

A Other brands of pipe support

sleeves should not be used

with Equator pipe. The

internal bore of other plastic

pipe may differ from that of

Equator’s. Equator support

sleeves have been designed to

suit PE-X pipe in the Equator

range, joint performance or

damage to joint components

may occur if another brand of

support sleeves are used with

Equator pipe.

QQ Will Equator pipe be

affected if encased in floor

screed?

A No, Equator is not affected

by cement and sand mortar.

However, to comply with Water

Regulations the pipe should be

run using the Equator conduit

system. Pipe fittings should not

be enclosed in floor screed.

QQ How long after installation

will Equator last?

A The test requirements of

BS 7291 are designed to

indicate life expectancy of not

less than 50 years.

QQ Do I need to thermally

insulate Equator pipe and

fittings from frost?

A Yes, the same standard of

lagging applicable to copper

pipes should be applied to

plastic pipe and fittings.

QQ Are Equator pipe and fittings

affected by soft water?

A No, Marley’s 30 year guarantee

will remain applicable.

QQ Can Equator pipe be used

for gas supply?

A No.

QQ Can I use Equator for external

pipes buried in the ground?

A No, it is only classified for use

inside buildings.


BS 6920-1: 2000 Suitability

of non-metallic products for

use in contact with water

for human consumption with

regard to their effect on the

quality of the water.

BS 7291: 2006 Thermoplastics

pipes and associated fittings

for hot and cold water for

domestic purposes and heating

installations.

BS 7291: Part 1: 2006

General requirements.

BS 7291: Part 3: 2006

Specification for crosslinked

polyethylene (PE-X) pipes

and associated fittings.

BS 7593: 2006 Code of

practice for treatment of

water in domestic hot water

central heating.

PAS 33: 1999 Specification for

the design, installation and

commissioning of gas fired

central heating systems in

domestic premises.

Plumbing Engineering

Services Design Guide

Published by the Institute of

Plumbing.

IEE On-Site Guide including

amendments 1 & 2

Published by the Institute of

Electrical Engineers.

Building Regulations

Approved Documents G & L

Construction

(Design & Management)

Regulations 2003.

ReferencesWater Supply (Water Fittings)

Regulations 1999, and the

Water Regulations Guide by

WRAS.

BS 5449: 1990 Specification for

forced circulation hot water

central heating systems for

domestic premises.

BS EN 12828: 2003 Heating

systems in buildings. Design

for water-based systems.

BS EN 12831: 2003 Heating

systems in buildings. Method

of calculation of the design

heat load.

BS 5422: 2001 Method for

specifying thermal insulating

materials on pipes, ductwork

and equipment (in the

temperature range -40ºC

to +700ºC).

BS 5955: Part 8: 2001 Plastics

pipework (thermoplastic

materials) Specification for the

installation of thermoplastics

pipes and associated fittings

for use in domestic hot and

cold water services and

heating systems.

BS 6700: 2006 Specification

for design, installation, testing

and maintenance of services

supplying water for domestic

use within buildings and

their curtilages.

39


40

Notes


Range of products


Pipe clips –nail fixing, grey polypropylene

Product code Description

EPC310 10mmEPC315 15mmEPC322 22mm

RANGE OF PRODUCTS SECTION

Barrier PE-X pipe – coils

Product code Description Length m

EPB15010 10mm 50EPB110010 10mm 100EPB12515 15mm 25EPB15015 15mm 50EPB18015 15mm 80EPB110015 15mm 100EPB12522 22mm 25EPB15022 22mm 50

Barrier PE-X pipe – straight lengths


EPB2315 15mm 3EPB2615 15mm 6EPB2322 22mm 3EPB2622 22mm 6EPB2328 28mm 3EPB2628 28mm 6

Stop end for pipes


ESEP10 10mm – socketESEP15 15mm – socketESEP22 22mm – socketESEP28 28mm – socket

Straight connectors


ESC10 10mmESC15 15mmESC22 22mmESC28 28mm

Stop end for fittings


ESEF15 15mm – spigotESEF22 22mm – spigot

Tank connectors* – acetal, cold water use only


ETKC152 15mm x 1/2“ fast nut threadETKC223 22mm x 3/4“ fast nut threadETKC284 28mm X 1” fast nut thread

Washers not included

Straight tap connectors* –DZR brass nut


ESTC152 15mm x 1/2” BSP nutESTC153 15mm x 3/4” BSP nutESTC223 22mm x 3/4” BSP nut

Concial rubber washer supplied

Bent tap connector* – DZR brassnut


EBTC152 15mm x 1/2” BSP nut

Concial rubber washer supplied

Male BSP/Socket adaptors – DZR brass body


ESKM152 15mm x 1/2” male BSP threadESKM223 22mm x 3/4” male BSP threadESKM284 28mm x 1” male BSP thread

ESKM90152 15mm x 1/2” male BSP thread- 90˚ bend

Spigot/Male BSP adaptors – DZR brass body


ESPM152 15mm x 1/2” male BSP threadESPM223 22mm x 3/4” male BSP threadESPM284 28mm x 1” male BSP thread

Spigot/Female BSP adaptors – DZR brass body


ESPF152 15mm x 1/2”female BSP threadESPF223 22mm x 3/4”female BSP threadESPF284 28mm x 1” female BSP thread

Socket reducers


ESKR1510 15mm spigot x 10mm socketESKR2215 22mm spigot x 15mm socketESKR2822 28mm spigot x 22mm socket

900 elbows


EB9010 10mmEB9015 15mmEB9022 22mmEB9028 28mm

Wall plate elbow – DZR brass body


EBPB152 15mm x 1/2” female BSP thread

Spigot elbows


ESB9010 10mmESB9015 15mmESB9022 22mm

Equal tees


EET10 10 x 10 x 10mm socketEET15 15 x 15 x 15mm socketEET22 22 x 22 x 22mm socketEET28 28 x 28 x 28mm socket

End reduced tee


EERT22 22 x 15 x 22mm socket

Pipe

Connectors & adaptors

Reducers

Elbows

Tees

All fitting bodies are made from PE-X (coloured grey) unless otherwise stated. These fitting illustrations are not to scale.

Socket/Female BSP adaptors – DZR brass body


ESKF152 15mm x 1/2” female BSP threadESKF223 22mm x 3/4” female BSP thread

ESKF284 28mm x 1” female BSP threadESKF90152 15mm x 1/2” female BSP thread

- 90˚ bend

ECBPB152 15mm x 1/2” female BSP thread- cross tee

Branch reduced tees – spigot


EBRTS15 15 x 15 x 10mm spigotEBRTS22 22 x 22 x 15mm spigot

Branch and one end reduced tees


EBRT122 22 x 15 x 15mm socketEBRT128 28 x 22 x 22mm socket

Both ends reduced tees


EBET22 15 x 15 x 22mm socketEBET28 22 x 22 x 28mm socket

Double check valves* –DZR brass body


EDCV15 15mmEDCV22 22mm

Body to BS 6282: Part 1

Shut off valves* –DZR brass body


ESV15 15mm – hot and coldESV22 22mm – hot and cold

Body to BS 6675

Appliance valve* – chrome plated DZR brass


EAV153 15mm x 3/4” male BSP thread – hot and cold

Supplied with red and blue lever

Draincock* – DZR brass


EDC152 15mm x 1/2” spigot

Body to BS 2879

Pipe clips –screw fixing, grey polypropylene



Valves & draincocks

Accessories

42

*

*

*

*

*

*

*

Branch reduced tees


EBRT15 15 x 15 x 10mm socketEBRT22 22 x 22 x 15mm socketEBRT2815 28 x 28 x 15mm socketEBRT2822 28 x 28 x 22mm socket


Pipe detection tape


ET100 100m roll

Terminal plug – green polypropylene


ECTP15 1/2” BSP – Supplied with sealing washer

Manifold inspection box & lidshock resistant white polypropylene


EMJB1 313 x 260 x 87mm*EMJB2 493 x 260 x 87mm*

* Nominal size

Straight air vent connectors –chrome plated brass


EMSAV22 3/4” female x 1/2” female BSP straight air vent connector

EMSAV28 1” female x 1/2” female BSP straight air vent connector

Supplied with a white polypropylene sealingwasher.

Bent air vent connectors – chrome plated brass


EMBAV22 3/4” female x 1/2” female BSP bent air vent connector

EMBAV28 1” female x 1/2” female BSP bent air vent connector


Manifold blanking Plugs –chrome plated brass


EMMBC22 3/4” male BSP threadEMMBC28 1” male BSP thread

Manifold blanking caps – chrome plated brass


EMFBC22 3/4” female BSP threadEMFBC28 1” female BSP thread


Manifold brackets* – zinc platedsteel


EMBD22 3/4” manifold bracketEMBD28 1” manifold bracket

Supplied in pairs complete with clips

Manifold clips* – white plastic


EMCS22 manifold clips for use with 3/4” manifolds

EMCS28 manifold clips for use with 1” manifolds

Supplied in pairs one for close fixing and theother for stand off fixing.

For use with manifold inspection box twopairs normally required.

Conduit pipes – coiled,black HDPE


ECP5015 15mm 50mECP5022 22mm 50m

Manifold accessories

Conduit system

Double Pipe clips –screw fixing, grey polypropylene



Pipe support sleeves* –stainless steel


EPSS10 10mmEPSS15 15mmEPSS22 22mmEPSS28 28mm

Only use Equator support sleeves with Equatorpipe. The 22mm insert does not have theflutes but has two small bumps at the end ofthe shank.

Pipe spacer blocks –grey polypropylene


EPS15 spacer block for usewith 15mm screw fixing clips

EPS22 spacer block for usewith 22mm & 28mm screwfixing clips

De-mounting tools –blue polypropylene


EDT10 10mmEDT15 15mmEDT22 22mmEDT28 28mm

Pipe cutter – blue


EPCT28 Cutter for pipe up to 28mm

Silicone lubricant


SZ100 100g bottle

Two port manifolds – chrome plated brass


EM2P2210 3/4” x 10mm – 2 socket portsEM2P2215 3/4” x 15mm – 2 socket portsEM2P2815 1” x 15mm – 2 socket ports

Three port manifolds – chrome plated brass



Four port manifolds – chrome plated brass



Two port manifolds –chrome plated brass with flow controlvalves


EM2PV2210 3/4” x 10mm – 2 socket portsEM2PV2215 3/4” x 15mm – 2 socket portsEM2PV2815 1” x 15mm – 2 socket ports

Three port manifolds – chrome plated brass with flow controlvalves


EM3PV2210 3/4” x 10mm – 3 socket portsEM3PV2215 3/4” x 15mm – 3 socket portsEM3PV2815 1” x 15mm – 3 socket ports

Four port manifolds – chrome plated brass with flow controlvalves


EM4PV2210 3/4” x 10mm – 4 socket portsEM4PV2215 3/4” x 15mm – 4 socket ports

Terminal end box – green polypropylene


ECTEB15 15mm

Terminal connector – DZR brass Body


ECTC15 15mm socket x 0.5” female BSP thread

For use with Terminal end box.

Manifolds & fittings

RANGE OF PRODUCTS SECTION

All fitting bodies are made from PE-X (coloured grey) unless otherwise stated. These fitting illustrations are not to scale.

*

*

43

Copper pipe inserts* – black polypropylene


ECPI15 15mm ECPI22 22mmECPI28 28mm7

*It is recommended that when jointing copper toEquator fittings a copper pipe insert is used. Thiswill help protect the o-ring from any sharpedges. Ensure cut copper pipe end is fully de-burred, both internally and externally. Ensure theinsert sits snugly on the cut pipe end.

*

*

*




Lenham Maidstone Kent ME17 2DETelephone: 01622 858888Fax: 01622 858725marley.co.ukequator.co.uk

Further information

Literature hotline: 0800 0281 876Fax order hotline: 01622 851111

For Technical advice please call01622 852695

For general enquiries and details ofyour nearest stockist please call thecustomer services department on01622 852585email: [email protected]

ScotlandBirkenshaw Industrial EstateUddingston, Glasgow G71 5PATelephone: 01698 815231Fax: 01698 810307

Export DivisionLenham, Maidstone Kent ME17 2DE EnglandTelephone: +44 (0)1622 858888Fax: +44 (0)1622 850778


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