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Geberit HDPE

Installation Guide

A

D

V

A

N

C

E

D

P

L

U

M

B

IN

G

T

E

C

H

N

O

L

O

G

Y

B.600.000/020

50

63

75

110

90

125

160

TYP

MEDIA 84

MASCH. NR

.

Geberit HDPE Installati 1.12.03 1/12/03 2:45 pm Page 1

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100 212

90 194

80 176

70 158

60 140

50 122

40 104

35 95

30 86

25 77

20 68

15 59

10 50

5 41

0 32

5 23

10 14

15 5

17,8 0

20 4

25 13

30 22

Converting tables

2

Converting table InchMillimeter

Inch 38" 12" 34" 1" 114" 112" 2" 212" 3" 4" 5" 6" 8" 10"

mm 9,5 12,7 19 25,4 31,8 38,1 50,8 63,5 76,2 101,6 127 152,4 203,2 254

Geberit outside 32 40 50 56 63 75 90 110 125 160 200 250 315

Geberit inside 26 34 44 50 57 69 83 101,4 115,2 147,6 187,6 234,4 295,4

Temperature scales Pressure scale

1 bar = 1000 mbar

1 bar = 100000 Pa (= )

1 bar = 10,2 m Water column

1 bar = 14,5 psi

1 psi = 6896.43

1 psi = 1 lb/square inch

Length scale

1 m = 1000 mm1 m = 100 cm

1 m = 10 dm

1 cm = 10 mm

1 dm = 10 cm = 100 mm

C F

To convert Centigrade to Fahrenheit:Multiply Centigrade by 1,8 and add 32.

F = (C x 1,8) + 32

To convert Fahrenheit to Centigrade:Subtract 32 from Fahrenheit and divideby 1,8.

C = (F 32) : 1,8

Nm2

Nm2


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3

Summary

Geberit HDPE overview page

Drainage system 3

Application field for pipes and fittings 4

HDPE pipes, fittings and tools 5 7

Jointing methods 817

Water proofing 18

Thermal movement 1920

Accomodating thermal movement

Deflection leg 21

Expansion socket 22

Anchor brackets and guide brackets 2325

Installation examples 2629

Prevention of thermal movement

Rigid installation 30

Brackets, embedded fixed points 3132

Mounting instructions

Butt welding 3335

Electro welding 3638

Prefabrication 3941

Repair tool 42Expansion sockets 43

Special application fields

Underground drainage 4448

Pipe penetration through building walls 49

Connection to manhole 50

Drainage of bridges 5152

Low pressure installation 53

External and internal pressure 54

Fire protection 5556

Geberit HDPE characteristicsPhysical characteristics 57

Ecological properties 5859

Comments on individual properties 6062

Tempering (Geberit Licence) 63

pH Value 64

Chemical resistance list 6575

Normes/Certificates 77


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Drainage-System

4

1 Ground pipe

2 Main stack

3 Branch pipe

4 Connector pipe

5 Ventilation stack

6 Rainwater down pipe

7 Domestic drainage8 Public sewer

2

4

5

66

7

8

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Description Symbol House Underground Bridge Pressure Pluviadrainage drainage drainage load

Pipe X X X X X

Bend 45 X X X X X

Bend 8812 X X

Bend 90 X X X X X

Branch 45 X X X X

Branch 8812 X X X

Ball fittings X X

Reducer X X X X X

Apparatus connections X

Butt welded joints X X X X X

Electroweld sleeve coupling/flange X X X X X

Expansion socket X X X

Ring seal socket X

Flange bushing X X X X X

Double flange bushing X X X X X

Access pipe X X X X X

X =Applicable

=Not applicable

=For horizontal installation max. 110

Application field for Geberit HDPE pipes and fittings

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Geberit HDPE pipes

5 m

HDPE pipes

Nominal (Outside) Wall Inside Area Weight Weight Pressure* Series

dia. thickness dia. empty full nominal (ISO)

d (mm) s (mm) di (mm) A (cm2) kg/m kg/m PN S Art. No.

32 3 26 5,3 0,259 0,790 10 5 379.000.16.0

40 3 34 9,0 0,331 1,239 6 6,3 360.000.16.0

50 3 44 15,2 0,420 1,940 6 8,3 361.000.16.056 3 50 19,6 0,471 2.434 6 363.000.16.0

63 3 57 25,4 0,536 3,087 4 10 364.000.16.0

75 3 69 37,3 0,644 4,383 4 12,5 365.000.16.0

90 3,5 83 54,1 0,903 6,313 4 12,5 366.000.16.0

110 4,3 101,4 80,7 1,350 9,424 4 12,5 367.000.16.0

125 4,9 115,2 104,5 1,750 12,171 4 12,5 368.000.16.0

160 6,2 147,6 171,1 2,840 19,947 4 12.5 369.000.16.0

200 6,2 187,6 276,4 3,580 31,216 3,2 16 370.000.16.0

250 7,8 234,4 431,5 5,630 48,774 3,2 16 371.000.16.0

315 9,8 295,4 685,3 8,920 77,442 3,2 16 372.000.16.0

Standard length of Geberit HDPE pipes = 5 meters (5000 mm)

* = Nominal pressure refers to pipe only not to fittingsISO = International Standard Organisation

Standards

6

International ISO 8770 / 8772

European CEN / TC 155 (in preparation)

Switzerland SN 592 012

Germany DIN 8075 / 19535 / 19537

Austria B 5177

France NF T 54 072

Italy UNI 8451

Belgium NBN 42-112

Netherlands NEN 7008

Denmark NKB Nr. 8

Great Britain BS /6367/5572/6437/5114

cm2A

d

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Geberit HDPE fittings

7

Prefabricated or convent ional installat ion. Pipeline embedded in concrete. Underground drainage p ipes.

HDPE fittings

Silent fittings and pipes


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Geberit Tools

8

Pipe Cutter Hand Mitre Saw

"BARY"

"

Kunststoff-Schweissapparate

K Type:A-

TVolt230

VWattWNr.NW.R

iesenBasel(Schweiz)

WDittingerstrasse45

D

Welding Plate Repair Tool

B.356.220/001

B.356.176/001

Electrofusion Machine Start Switch

506

375

110

90

125

160

TYP

MEDIA 84

MASCH.

NR.

Welding Machine MEDIA Welding Machine UNIVERSAL


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Geberit HDPE jointing methodsOverview

The many Geberit jointing methodsoffer solutionsfor all situations.

Butt weld Electroweld sleeve coupling Ring-seal socket

Screw-threaded joint Linear expansion socket Flange joint

These connections have different properties, and are therefore classified according to theway in which they are assembled as follows:

a) Non-rigid, removableConnections which can be disconnected after assembly.

b) Rigid, non removableConnections which cannot be disconnected after assembly.

c) Tension-resistantConnections which cannot be disconnected by tensional forces.(Butt weld, electroweld sleeve, flange, screwed connection with locking ring)

d) Non-tension-resistant

Connections which can be disconnected by tensional forces.(Ring-seal socket, expansion socket, screw-threaded joint)

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All diameters from 32 to 315 mm can be welded.Connection properties

b) rigid, non removablec) tension-resistant

Use

Welding is the easiest jointing method, providing the many advantageous benefits ofprefabrication; HDPE needs no other component in order to be welded.

It can be used in all circumstances where prefabrication is used on site or in theworkshop.

The essential conditions for a perfect weld are:

Cleanliness of the welding plate and the parts which are to be welded.

A correct welding plate temperature.

The correct pressure for jointing the parts.

The parts to be welded must be cut square

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Electroweld sleeve coupling

A short, simple and reliableconnection

Available from 40 to 315 mm.

Connection properties

b) rigid, non removablec) tension-resistant

Use

On-site welding, conversion, additional installations, repairs. The small outside diameterprovides a great advantage.

Conventional assembly, on the nesting principle, made for easy use. The joint obtained issimple, quick and reliable.

The heating and melting zone is divided into two fields, as there are no electrical resistances

in the centre of the sleeve. This provides a very satisfactory safety factor.

Also the ends of the pipes are not heated, the zones remain effectively cold, and providefurther reinforcement, thus cancelling out shrinkage of the pipe.

The pressure required for welding is obtained from the shrinking effect of the sleeve when itis heated, and is evenly distributed over the entire weld. This shrinkage has a compensatingeffect on pipe diameter measurement tolerances.

The electrical resistance wires will not corrode. Once the weld has been made they areentirely covered by PE.

The use of original Geberit equipement, especially tempered Geberit HDPE pipes, arerecommended for correct welding.

Electrical sleeves can be made to slide by removing the central stop ring, thus making

system conversion and repair work easier.

B.500.000/191 B.500.000/192

3 cm3 cm

The stop ring can easily be removed with a screwdriver.

11

60

150

40160

200315


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Ring-seal socket joint



a) non-rigid, removabled) non-tension-resistant

Use

Ring-seal socket joints can be used to provide a connection between various prefabricatedparts for simpler assembly.

Assembly

May be used either vertically or horizontally. The small overall dimensions provide an

advantage where space is limited. Can easily be assembled or released even where accessis difficult.

Ring-seal sockets are provided with a yellow protection cap to prevent the ingress of debrisduring installation.

Assembly instructions are the same for both ring-seal sockets and screw-threaded joints,the sleeve lengths are the same for corresponding diameters. The effective sleeve length,i. e. the measurement X from the O-ring to the base of the socket governs themaximum length of pipe which can be connected by individual joints.

For HDPE approximately 15 mm of spigot should be allowed for every 1 m of pipe.

The pipe must be fully inserted into the socket, because the socket does not act as anexpander. Owing to the pipe thickness and the low thermal conductivity of HDPE, thesocket seal has very satisfactory resistance to heat and no shrinkage of the O-ring occurs.The O-ring has a round seat regardless of pipe movements. The O-ring remains fixed inthe seat and is always in contact with the pipe.

Protection cap

Length X varies with the diameter Ideal fitting is obtained by chamfering the pipeend to approximately 15, lubricating it withsoft soap, Silicone or Vaseline. Do not use

mineral oil or grease which can damage therubber seal.

x

B.500.000/252

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Screw-threaded joint




Use

Screw-threaded joints are used for assembly of various prefabricated parts when it isnecessary to easily dismantle and also as the connection to sink traps and shower trays.

. .

1

2

3

4

Completescrew-threaded joint

1. Nut

2. Washer3. Seal4. Thread

The seal is pressed against the thread.

A minimum surface area of the seal is in contact withwater.

The seal is pressed against the flange bushing and thethread.



a) non-rigid, removablec) tension-resistant

Use

Wherever there is the possibility that a pipe can be pulled out of a screw-threaded joint byaxial tensile forces a flange bushing must be used to ensure that the connection will resistthese forces. It is also recommended that a screw-threaded joint with flange bushing should

be used when installing in floors or slabs, where the length of pipe between twoconnections (elbows, branches or sleeves) is longer than 2 metres.

1

2

3

4

1. Nut2. Flange bushing3. Seal

4. Thread

Screw-threaded joint withflange bushing

1

2

3

4

1

2

3

4

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Expansion socket




Use

An expansion socket is recommended between anchor brackets, particularly oninstallations assembled with rigid joints and where excessive thermal movement isanticipated.At least one expansion joint must be provided on vertical stacks running from floor tofloor, long collector pipelines and before connecting to the buried drain pipework.

Different conditions apply for underground installations. For this application field see page

48.

Installation

Can be used either vertically or horizontally. One advantage is the depth of the sleevewhich makes the assembly of downpipes and mains easier, allowing both vertical andhorizontal corrections (e.g. in level, and in the precise positioning of the direction ofbranches and elbows).

A firm anchor bracket must always be located behind the expansion socket to avoid anymovement of the socket in the event of expansion or contraction.

The special shape of the seal allows the pipe to slide within the socket during expansionand contraction, ensuring that the connection remains perfectly watertight even underheavy hydraulic load.

Horizontal assembly (e.g. at 20C)

Example: Insertion depth in anambient temperature of 20C(Vertical assembly).

The following conditions are important to ensure perfect and easy assembly of thesleeve:

1. Chamfering the inserted pipe end to approximate

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Flanged joint



a) rigid, removablec) tension-resistant

Use

Flanges are normally used as disconnectable joints for low pressure installations (industrialplant, pump connection, tanks and swimming pools).

The flange connection system offers easy connection to existing iron and steel installations.

As inspection access opening made by using a blind flange.

Flanges are sintered, i.e. they are coated with polyethylene, and have standard dimensions(PN 10 and 16).

Loose flange

Nut and bolt

Seal

Flange adaptor

Blind flange

Bolts

Loose flange,PE coated

Flange adaptor

Seal

Flange adaptor

Loose flange

Nuts

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Jointing Geberit HDPE to other materials

Geberit to steel / Cast iron

Geberit to clay / Fibre cement

A B CGeberit Vitrified clay Geberitoutside mm DN mm X mm H mm Art. No.

110 100 146 150 367.739.16.1

125 120 169 150 368.739.16.1

160 150 202 150 369.739.16.1

200 200 259 200 370.739.16.1

250 250 315 200 371.739.16.1

315 300 369 200 372.739.16.1

AGeberit HDPE pipe50315mm

DGeberitAdaptor piece withstainless steel insertCPipe clip localavailable

BCast iron pipe

steel pipe60300mm

AGeberit HDPEpipe

CRubber sealinggasket

BClay pipefibre cement

Important:

The joint is made with acoupling from HDPE to steel,cast iron or earthenware andsecured with an anchor bracket.

Install the anchor bracketas close as possible to thecoupling.(Maximum 15 mm)

1 Anchor bracket

2 Butt weld seam

3 Coupling

4 PE adaptor with support ring

5 Steel, cast iron, clay, fibre cementpipes

Geberit / Cast iron

A B C DGeberit HDPE Cast iron Local H outside mm outside mm available mm Art. No.

50 68 78 359.260.16.1

56 68 78 359.262.16.1

63 68 100 359.263.16.1

75 68 78 359.264.16.1

75 89 80 359.265.16.1

90 89 100 359.266.16.1

110 109 100 359.267.16.1

125 135 100 359.268.16.1

160 161 100 359.261.16.1

200 212 160 370.738.16.1

250 274 160 371.738.16.1

315 326 160 372.738.16.1

H

X

45

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Geberit HDPE Adaptors

Pipe threads (for detail information see HDPE catalogue, p. 47)

Connection to: Thread dia. Geberit dia. Material

Male pipe thread 12"212" 4075 mm HDPE with steel ring

reinforcement

Female pipe thread 114"212" 5075 mm HDPE with steel ring

reinforcement

Female pipe thread 112"2" 50+ 56 mm Adaptor in brass + PE nut

Threaded pip ends (for detail information see HDPE catalogue, p. 21)

Soldering / Welding (for detail information see HDPE catalogue, p. 48)

Connection to: Thread dia. Geberit dia. Material

Connection to: Pipe dia. Geberit dia. Material

Male-thread 114"2" 3250 mm HDPE, upon request alsoavailable with nut in brass

Male-thread 60x 18" 40+ 50 mm HDPE

Female-thread 12"1" 40+ 50 mm HDPE, with brass nipple

Male pipe thread 2"3" 56+ 75 mm Adaptor in brass + PE nut

Lead 50/60 56 mm Brass with PE nut for soldering

Lead 50/60 56 mm Lead with PE nutfor welding or soldering

PVC 50+ 63 56 mm PVC forsolvent cement joint + PE nut

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Water proofing

Wherever a water proof layer is required, the Geberit sealing for passagesthrough walls or ceilings provides a perfect watertight seal between the HDPEpipe and the water proof membrane.

Type 1: Resistit for connection with bitumnType 2: PVC to be welded with PVC sheetType 3: PE to be welded with Sarnafil FPO-A-foilFor Geberit HDPE pipes 50, 56, 75, 110, 125 mm

Attention: Thermal expansion or contraction of the pipe is to beprevented.

Maximum water pressure 0,1 bar.

Installation examples

50 cm

50 cm

PipeSealing

Waterproofingmembrane


Electroweld sleeve coupling(to prevent expansion or contraction)

Expansionsocket

AnchorBracket

Reducer

Access pipe

Sealing


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Thermal movement

Physical principal: All materials expand as temperature increase.If the temperature falls, the material contracts.

0,2mmm K

Rule of thumb: t 50= 10mm/m

Geberit HDPEExpansion Coefficient

Length Variation Table

30C

80C

0C

Example:

1. Sought:Thermal expansion L

2. Given:Maximum temperature = 80CInstallation temperature = 20CTemperature difference t = 60C

Pipe length = 4 m

3. Result:Thermal expansion L = 4,8 cm

= 48 mm

Pipe length

Length alteration (L) of the expansion leg[cm]

TemperaturedifferencetinC

Determination of thermalexpansion of HDPE

(average linear expansioncoefficient 0,2 mm/m K)

20

1000 mm

1010 mm

994 mm

5000 mm

5050 mm

4970 mm


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Thermal movement

There are alternativemethods of installing theGeberit HDPE Drainage

System.

Factors that will influencethermal movement

Methods of accomodatingthermal expansion

and contraction

Prevention of thermal expansionand contraction

Deflection Leg ExpansionSocket

Rigid Fastening InstallationEmbedded in

Concrete

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2

4

6

8

10

12

14

16

18

20

0 20 40 60 80 100 120 140 160 180 200 220 240

4,8

73

Lnge des Biegeschenkels BS in cm aus Formel BS = ca. 10 x L x D

Bestimmung des

Biegeschenkels au

Aussen-

Lngennderung

LdesDehnungsschenkelsincm

4032 50-63 75 90 110 125 140 160 200 250 315

B.5

00.0

00/294

Deflection leg

Compensating thermal expansion by deflection leg

+70C +20C 10C

6000

G G A

A

DL

+ 60 36

G Guide bracketA Anchor bracket

DL Deflection leg

Determining the lengthof the deflection leg by calculation

Length of the deflection leg (DL) in mm according the formula

Outer-

LinearexpansionorcontractionLincm

Length of deflection leg DL in cm. Formula DL = ca. 10 x L x

Determination of thedeflection leg of HDPE

B.500.000/294

10 x L x Example: DL = 10 x 60 x 110 = 820

DL = 10 x 36 x 110 = 630

Determining the lengthof the deflection leg from chart

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Expansion socket

The Geberit expansion socket is designed to counteract the variation in lengthdue to thermal expansion and contraction of max. 6 m Geberit HDPE pipes.

Application: HorizontallyVertically

Diameter: 32315 mm

Legend: Expansion socket: compensates the change of length

Bracket: provides an anchor point

Electroweld sleeve: holdes anchor bracket in position

Note: Each expansion socket needs to be fixed with1 anchor bracket.

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Anchor bracket for expansion socket

Thrust force P when in operation

Thrust force P (kg)

5063 10

75 12

90 20

110 30125 40

160 70

200 100

250 150

315 220

The table beside shows the correctpipe nipple diameter requireddepending on distance L toeffectively withstand thrust force P.

The main purpose of the anchor bracket is to prevent anymovement of the expansion socket.

The distance L and the thrust forces P have to be taken in account,when selecting the diameter of the pipe nipple between mounting plate andbracket.

The thrust force P is the slide resistance between rubber seal and HDPE pipe.This force depends on the pipe diameter.

Diameters of Geberit HDPE pipe

Distance 50/56/63/75/90 110 125 160 200 250 315from ceiling Pipe nipple used

L (mm)

100 12"12"

12"

150 12"12"

12"12"

200 12"12"

12"12"

34" 1"

250 12"12"

12"34" 1" 1"

54"

300 12"12"

12"34" 1"

54"54"

350 12"12"

12" 1" 1"54" 1

12"

400 12"12"

34" 1" 1"54" 1

12"

450 12"12"

34" 1"54"

54" 112"

500 12"34"

34" 1"54" 1

12" 2"

550 12"34"

34" 1"54" 1

12" 2"

600 12"34" 1" 1"

54" 112" 2"

P

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Guide brackets

The main purpose of guide brackets is to support the pipe andallow the axial movement caused by the effects of expansion andcontraction.

Application: For all fixations of Geberit HDPE pipes 40-315mmexcept for anchor brackets.

+

B.362.826/001

+

+ +

+

+ +

Diameter 40160 mm

+

+

B.362.837/001

B.362.826/001

.362.826/001

. .

12"12"

12"

12"12"

12"

1" 1" 1"

M10 M10M10

Diameter 200315 mm

Geberit PE-Silent 75+110 mm

OR

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Spacing for brackets

Geberit HDPE pipes are to be fixed with anchor brackets (A)and guide brackets (G).

The distance between the anchor bracket and the first guidebracket must be respected as follows:

Horizontal installation:

SA = max. 10 x

Vertical installation:

SA = max. 15 x

A = Anchor BracketG = Guide BracketSA = Spacing between anchor bracket and guide bracketSB = Spacing between guide brackets (see table below)

A A

SBSA

Spacing of guide brackets SB:The table indicates the maximumdistance between guide brackets (G)for Geberit HDPE pipes.

Nominal Spacingoutside of brackets (SB)diameterd Horizontal Vertical(mm) (m) (m)

32 0,5 1,2

40 0,5 1,2

50 0,8 1,2

56 0,8 1,5

63 0,8 1,5

75 0,8 1,5

90 1,0 2,0

110 1,5 2,0

125 1,5 2,0

160 1,5 2,0

200 2,0 2,0

250 3,0 3,0

315 3,0 3,0

max. 6m

SB

SA max.15 x

A

G

G

G

A

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A Examples of installing Geberit HDPE expansion socket

Principal: Every pipe installation exceeding a certaindistance (6 meters) must be protected againstmechanical load with an expansion socket.

A Rainwater downpipe

Rainwater downpipes are generally not subjected to largetemperature changes except for those outside of buildingsexposed to sunlight.

In vertical pipelines the distancebetween the brackets can becalculated approx. as follows:

15 x pipe diameter

(max. distance see p. 25)

A = Anchor bracketG = Guide bracket

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C Examples of installing Geberit HDPE expansion socket

C Horizontal suspended collector pipeline

When fitting collector pipelines that extend 6 m it is necessary to fit expansionsockets and secure them with anchor brackets (see p. 25).Between the anchor brackets, guide brackets must be installed at the distanceSA or SB (see p. 25).

Rules: Maximum distance between Geberit HDPE expansionsockets 6 m

Inserting depth depending on ambient temperature Anchor bracket directly on each Geberit HDPE expansion

socket Guide brackets located along the collector pipeline

(see page 25).

A = Anchor bracketG= Guide bracket

Example

max. 6 m max. 6 m max. 6 m

GGGG G G GG G

AA

A A A

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D Examples of installing Geberit HDPE expansion socket

D Combination of stacks and collector pipelines

Rules: One Geberit HDPE expansion socket at each floor level One Geberit HDPE expansion socket at each branch One Geberit HDPE expansion socket at each change

of direction Anchor bracket on each Geberit HDPE expansion socket.

Example

8 m

4,2 m

A

A

A

A

A

A

AA

A

A

8,4 m4,2 m

5,5 m

10 m

5 m

5 m

5,5 m

A = Anchor bracketG= Spacing between guide brackets in accordance to the rules (p. 25).

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Principal: Any variation in length must be prevented by embeddedfixed points (electroweld sleeve couplings,branches, bends or collar bushes) or by the provision ofcorresponding fixed point structures.

A Rigid installation with anchor bracketsAnchor brackets for rigid fixingsmust be stronger than possibleexpansion or contraction forces (P)of the HDPE pipe (see table).

Expansion and contraction forces Geberit Ring- Column 1 Column 2HDPE pipe square (Normal installation) (Outside installation)

ca. +20C bis + 90C ca. +20C bis 20Cd cm2 force kg force kg

40 3,5 85 221

50 4,4 105 277

56 5,0 125 315

63 5,8 140 365

75 6,8 170 428

90 9,5 240 598110 14 350 882

125 18,5 460 1165

160 29,6 740 1865

200 37,7 940 2375

250 59,5 1490 3750

315 93,9 2350 5915

Example:

This table shows that in the lowtemperature range (column 2) theforces are greater than in the hightemperature range (column 1).

Rigid installation to controlthermal expansion and contraction

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Rigid installationto control thermal expansion and contraction

Principal: Any variation in length must be prevented by embeddedfixed points in concrete (e.g. electroweld sleeve couplings,branches, bends or collar bushes) or by the provisionof corresponding fixed point structures.

B Embedding in concrete

Basically Geberit HDPE material absorbs within itself thermal movement due to itshigh elasticity.However, in the case of large diameters (e.g. 315 mm) the forces P (resultingfrom expansion and contract ion) are considerable. They must be absorbedby the embedded fixpoints alone, since cement/concrete will not adhere to HDPEpipework.

Since the fitting has to act as a fixpoint,do not insulate it.

Under no circumstancesshould a ring seal or expansion socketbe embedded in concrete.

Reduced small branches of large

pipe diameters must be secured byan additional anchor point (electroweldsleeve couplings or collar bushes) toprevent shearing off of the branch.

Branch equal Branch equal withreducer

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Geberit HDPE butt weldingPreparation

Cut pipe properly with Pipe Cutter Hand Mitre Saw

Cutting surface must stay clean,therefore do not touch the cuttingsurface with your hands!

Cut pipe square!

32160 mm 200315 mm

The allowance for butt welds is approx. as big as the wall thickness of the pipe

pipe diameter (mm) 3275 90 110 125 160 200 250 315

butt weld s (mm) 3 4 5 5 7 7 8 10

Allowance for butt welds

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Geberit HDPE butt welding by hand(for pipes 3275 mm)

. .Check temperature of thewelding plate.Do not start with welding procedurebefore the green light is on.

1

Only press the pipe sections at the

beginning against the welding plate.Then hold without pressure.Watch melting process carefully.

2

When melted bulge is about as big asa match head, take off both pipesections simultaneously and quicklypress them carefully together.Increase welding pressure until youattain necessary pressure (see scalebeside).

3

Maintain the max. pressure until thewelding seam has cooled (approx.30 secs.).Do not accelerate the cooling down

by contact with cold objects or water.

4

Check visually the welding joint

Indicative valuesfor welding pressure

kg

32 5

40 6

50 7

56 8

63 9

75 10

Weldingtimeinmin.

Pipe wall thickness in mm

Weldi

ngtim

e

Warmi

ng-up

time

5

4

3

2

1

02 4 6 8 10 12

Correct

False:out of axialalinement

Too highpressure at

the start ofthe weldingprocedure

Unevenwelding heat

Indicative values for welding andwarming-up times

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Geberit HDPE butt welding by machine(for pipes 40315 mm)

506

3

75

110

90

125

160

TYP

MEDIA84

MASCH. NR

.

Place pipe partsin the tensionplates and fixthem in a line.

1

50

63

75

110

90

125

160

TYP

MEDIA84

MASCH. NR

.

1cm 1cm

Press pipe parts

lightly against theplaning disc andcut the ends untilthey are completlyclean and plane.Check the cutfaces by bringingthem together.

2

506

375

110

90

125

160

TYP

MEDIA84

MASCH. NR

.

506

375

110

90

125

160

Melt pipe endswith welding plate(green light on)until the meltedbulge is about asbig as a matchhead, dependingon size of pipe.

3

506

3

75

110

90

125

160

TYP

MEDIA84

MASCH. NR

.

Carefully presstogether bothparts withnecessary welding

pressure(see scale).Do not releasethe lockinghandle before thecomplete cooling(approx. 40 secs.).

4

MEDIA40160 mm

UNIVERSAL

40200 mm

Set of accessories200315 mm(for UNIVERSAL only)

506

375

110

90

125

160

TYP

MEDIA84

MASCH.NR

.

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Geberit HDPE electro welding

Preparation

Cut pipe square

Dry, clean and scrape welding ends.

Remove burr.Welding ends must remain dry duringthe whole welding process.

40160 mm

40160 mm

200315 mm

37

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Geberit HDPE electro weld sleeve coupling(for pipes 40160 mm)

B.500.000/192

3 cm3 cm

Insert pipe or fitting ends into thesleeve coupling.1

Right

Wrong

2

3

4

Connect electrofusion machine, startwelding procedure.

After the END indicator has turnedon, remove the connection cable.The proturding yellow indicatorindicates whether the welding processwas performed correctly.

If required for the sake of appearance,the electrical connector socket on40160 mm dia. electroweldingsleeves can be removed after theend of installation work.

Geberit Electro fusion machine ESG40/200

Electroweld sleeve coupling

Note: Basically, electroweld sleevecouplings should not be weldedtwice. However, in exceptional casesa repetition can be done, but wait atleast 1 hour until the socket hascompletely cooled down.

/1 1

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B.356.176/001

Geberit HDPE thermo sleeve coupling (200315 mm)

Dry, clean and scrape welding ends.Remove burr.Welding ends must remain dry duringthe whole welding process.

1

75 mm

2

3

4

5

Mark insertion length 75 mm.

Mount centering rings to ensureproper welding.

Insert pipe or fitting ends into thethermo sleeve coupling.Connect start switch cable.Press start button briefly.Welding time approx. 8 minutes.

Wait for at least 15 minutes afterweld has been completed beforeremoving the centering rings.Do not remove the plastic sheetinsulation until the sleeve hascompletely cooled down.

Geberit Start switch 230V

Electro weld sleeve coupling

Note: The same sleeve couplingcannot be welded twice, since thebuilt-in thermo fuses shut offautomatically after the necessarywelding temperature has been

39

g

k

200 A = 4 mm

250 A = 5 mm

315 A = 6 mmA = g-k

75 mm

- 10C

0C+ 10C

+ 20C

ca. 8 -

ca. 7 -ca. 6 -

ca. 5 -

10 Min.

9 Min.8 Min.

7 Min.


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Prefabrication

Light weighteasy to handle

Wide range of fittings, excellent tools and the light weightof Geberit HDPE = perfect performance for prefabrication.

The good characteristics of the Geberit HDPE offer an easy way to prefabricatepipe assemblies.

Through the butt welding technique, the pipes and fittings can be easilyconnected to make many big combinations.

Complicated labour at the site is eliminated by the clean and easy organizedwork at the workshop.

Afterwards, at the site the prefabricated combinations can be assembledvery fast.

Description

Advantages Simplified work

Easy time management

Time saving

Higher performance

Higher quality

Professional impression

Short time at the site

No loss of material

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10

170

Prefabrication

Procedure Measurements (Preparation)Take measurements on site and mark the positions of all fixtures on the wallsand floor.

2.1 Using the isometrics method

Part cc ./. total

1 Pipe 110 450 140 310

2 Pipe 63 620 430 190

3 Pipe 63 765 188 577

4 Pipe 63 .... .... ...

5 .... ..... .... ... ...

6 ...

7

8

9

2.2 Using PE-DLS-software

Design drawingPrepare the design and detailed drawing.

1

2

70 60 60 70 55

16

14

411

2

3

4

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Prefabrication

Cut pipe square

B.600.000/020

Prepare pipes and fittings

Shorten fitting

Weld pipes and fittings togetherwith the Geberit welding machineMEDIA or UNIVERSAL.

Prefabrication of assemblies

The prefabricated assembliescan be connected on site with theelectroweld sleeve coupling.

Installation on site

3

4

5

Jointing possibilities

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Electric repair tool(Art. No. 395.049)

Clean repair area well withscraper, knife or emery cloth.

1

Screw suitably sized insertonto front or side of heater.

2

"BA

RY"

Kuns

tsto

ff-Sch

wei

ssap

para

te

Type

:A-

Volt

230

Wat

t Nr.W.R

iesen

Base

l(Sc

hwei

z)

D i t t i n

ger st r as

se 4 5

Heat simultaneously repairarea and patch.

3

Press softened patch quicklyonto repair area.

Cut of projecting tail. Clean the heater.

4

5 6

"BARY"

Kunst st off- Schwei ssappar at e

T ype: A-

Vol t 230

Watt

Nr . W. Ri esen

Basel ( Schwei z)

Dittinger str asse45

Repairing holes in HDPE pipesand fittings and in PE concealedcisterns

431

2

3

4

5

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Thermal expansion sockets (application in buildings)Mounting instructions

Prepare pipe insertion end.

1

Mark insertion depth on the pipe. Consider outside temperature.

2

Remove yellow protection cap.

3

Lubricate pipe end and rubber seal. Only use soft soap, Silicone or

Vaseline. Do not use mineral oil or grease!

4

Push the pipe into the expansionsocket.

5 On the building site, protect the sealfrom ingress of dirt. Wrap a feltbandage around and secure withadhesive tape.

6

at 0C (32F) at 20C (68F)

Important:Fix each expansion socketwith an anchor bracket !

Please note:

The marking of the insertiondepth and the assignedlength of pipe on theexpansion socket does notapply for buried pipes,unless the sametemperature fluctuations asin the building drainagesystem areanticipated.

maximal pipe length: 6 m !

B.500.000/250

B.500.000/251

8 cm 10,5 cm

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D

10cm

B

A

D

A=D+min.100mm

Trench profiles

Important for underground installationis correct laying of the pipe in thetrench, as well as carefulconsolidation.

B = BeddingThe pipe must have a bedding of atleast 100 mm.

C = ConsolidationSide fill to upper edge of pipe.

P = Protect ive layerWith trench profile 1A cover toabove top edge of pipe over entirewidth of trench min. 300 mm

HS = Safety heightwhen using mechanical compactors:Vibration compactor

1,000 N HS = 0,4 mVibration roller

3,000 N HS = 0,3 mVibration roller

15,000 N HS = 0,5 m

D = Consolidation stratum depthmin. covering:In area of road 0,8 mOutside road area 0,5 m

Max. covering:Up to 6 m without problem

In cases of minimum coverings orheavy loading, measures such as loaddistribution plates or appropriatetrench profiles are to be used.

Traffic loadsHeavy traffic P = 9 tonsNormal traffic P = 6 tons

Away from roads:always P = 3 tons

Filling materialGrain sizeRound gravel 0 = 30 mm

Broken material 0 = 10 mm

min.60cm

20cm

D

HS

P

C

B

Profil V1A

Behavior: flexible

EmbedmentRound gravel 030 mmBroken material 010 mm

10cm

B

A

Profil U4A

Behavior: rigid

Embedmentin concretePC 200 kg/m3

Profil U4B

Behavior: rigid

Embedmentin reinforced concretePC 250 kg/cm3

20cm

HS

P

C

B

Profil U1A

Behavior: flexible

EmbedmentRound gravel 030 mmBroken material 010 mm

46

For all trenching work the local guidelines, standards and regulations must be observed. 8

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Guidelines for laying drainage pipes

TrenchThe trench is to be dug asnarrow as possible but notnarrower than the pipediameter + 40 cm. The floorof the trench must be leveland free from rocks andloose clumps. Correctelevation and slope are alsoimportant.

1 B = BeddingUnder normal soil conditionsthe trench is provided with abedding layer of round gravel(grading up to 30 mm) or ofbroken material (grading upto 10 mm) of a thickness ofapprox. 100 mm. Thebedding layer must becompacted and tamped. Incertain cases it will beneccessary to reinforce theground.

2 U = UnderpinningAfter the pipe has been laid,recesses are to be provided forsockets and flanges so that thepipe is supported along itsentire length. The underpinningis to be done with a tampingpost or the like. It must bedone very carefully. If severalpipes are laid, make sure thatthe lowest one is fully coveredbefore the one above isplaced. The pipe must lay flat,and it must be installed with

3 C = Consolidation layerThe material is to be filled inlayers of approx. 100 mmthickness. Tamping can bedone by stamping with the feet,or with a special tool. Thepurpose of this material is tohelp prevent the pipe fromdeforming, so that it must becompacted well on both sidesat the same time .

4

1

2

P = Protective layerNow fill in a layer of the samematerial (must not containrocks which could causepoint loading of the pipe) ofat least 300 cm.Attention: To prevent thepipe from rising the trench isto be finish-filled on the sameday up to and including theprotection layer.

5HS = Safety margin heightFor the further filling theavailable material is to beused. The trench must notcontain rocks which cannotbe lifted by hand.As soon as permitted bythe safety margin height,this compacting can bedone by machine.The regulations andbyelaws on the refillingof trenches are to beobserved.

6Distribution ofground pressureThe ground pressure andground load distribution aregoverned essentially by thecompaction.For calculation the appropriatestandards and the localbuilding and safety regulationsare to be observed.

1 Ground loadand possibletraffic load

2 Shoring pressure

For all trenching work the local guidelines, standards and regulations must be observed.

47

BU

C

P

HS

1

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Rigid installation

Rigid fixation The rigid fixings must be strongerthan the possible expansion orcontraction forces of the HDPE pipe.

Geberit pipes can be installedrigidly with relatively low effort, forwhich the following elements arerequired:

1 Concrete mound as an anchor point2 Electroweld sleeve coupling3 HDPE pipe

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Please note:The scale found on the outersurface of the socket does notapply in the case of undergroundinstallations.

Underground installation of Geberit expansion sockets

In addition to the butt-welded andelectrically welded connection,the expansion socket is an idealconnection in underground drainagesystems. Since in such systemslower temperature differences areusually encountered than in stacksand connector pipes, smaller lengthvariations can be accounted for.

For this reason in undergroundinstallations the distance betweenexpansion sockets can be longer.

The values calculated according tothe formula

PL A 0,3d0.006

and rounded off.

Nominal Socket Pipe length Insertionoutside length SL PL (for t depth IDdiameter 30C)d (mm) (mm) PL (m) (mm)

110 140 15 130

125 140 15 130

160 140 15 130

200 220 20 230

250 220 20 230

315 220 20 230

Fitting of the undergroundexpansion socket in theinstallations

Insert beveled pipe to maximumsocket depth, mark and pull back40 mm.

Prepare the pipe end

The pipe end should be chamfered andlubricated with soap to ease inserting.

d

ID (insertion depth)

PL (pipe length)

SL (socket length)

PL

4cm 4cmID

491

2

3

4

5

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With regard to the ground linebetween the building wall and thestreet sewer, where extremesettling can occur, an installationmat must be wrapped around theground line to act as a deflection leg.

In such cases Geberit HDPE isan ideal material, since it assurestightness and at the same timeprovides maximum flexibility.

Deflection legThe length of the deflection leg isdependent upon the expectedsettling and on the pipe diameter.

Length DL = 10 |/ S

Note: The insulation must bethicker than the expected settling.

Pipes penetrating through building walls

Expected settling GeberitHDPE pipe Deflection leg

S DL

20 40 mm 125 160/200 315 1,0 m/1,0 m40 60 mm 125 160/200 315 1,0 m/1,5 m

60 80 mm 125 160/200 315 1,5 m/1,7 m

1 See page pipe2 Settling3 Insulation mat4 HDPE pipe ()5 Foundation slab6 See page liningDL = Deflection legS = Insulation thicknessS = expected settling

H

d

D

L

Examples for water proofing see p. 18

50

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Drainage requirements for bridges

Traffic safety/Maintenance

Geberit HDPE also meets the specialrequirements for all types of bridges.The pipes and the wide range offittings provide an easy design andexecution at the construction site. Thesmooth walled pipes make a trouble-freemaintenance and service possible,whereby all modern cleaningequipment can be used.

Heating trace with surface thermostat

Where the bridge crosses a river,railway or another road, an absolutelywatertight system is essential.In accordance with the anti-pollutionlaws, protection must be maintainedin the event of an accident.

1 Silt trap2 Connector

pipe3 Collector pipe

Frost protection

Ground water protection

Piping Arrangement

Geberit HDPE can be installed intemperatures down to 40C.However, to ensure water flow inthe pipe an automatic-controlled heattrace can be fitted.

Collector pipe (The inlet into thecollector pipe is made with 135CY-branch fittings).

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53

Drainage of Bridges

Installation Indications

Laid in concrete

Piping embedded in the bridgestructure can never be replaced.It is therefore essential that a drainagematerial which offers the greatestsecurity is used. When choosing thismaterial, the consolidation of theconcrete, temperature variations,contraction and creep, as well as theprestressing of the bridge must betaken into consideration.

Thermal movement

The following points must be observed

Location of supports or piles

Horizontal movement of the bridgeon the supports

Deflection of the bridge

Swaying of the bridge

The watertightness of the expansion

socket (example 1)In the case of example 2 an expansionfunnel is required to absorb the lateralmovements.

Fixing

The spacing of the guide brackets forHDPE piping is 1,5 m and may not beexceeded. With all plastic piping, thepipe bracket should have a minimumwidth of 60 mm, in order that thestresses due to the weight of the filledpipe is well distributed.

Expansion socket Expansion funnel

Guide bracket

Example 1 Example 2

1

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Low pressure installation

54

Low pressure application

Discharge pipeline of a pump set

Generally the Geberit HDPE product range is designed for water drainagesystems.For the low pressure range, e.g. swimming pool, pipework through circulationpumps, Geberit has established maximum admissible stressing values for anendurance life of 10 years.

Pressure max. 1,5 bar

Temperature max. 30C

Longtermrupture strength 10 years

All connections must be butt weld joints, electroweld sleevecouplings or flange joints.

Suitable fitting range for low pressure application see page 4.

The Geberit HDPE range of products can also be used for the dischargepipeline of a pump set, provided that the mechanical stress is low, only of shorttime and no thermal loaded medium (e.g. warm water) is pumped.

When designing discharge pipelines for drainage pumps the following importantpoints should be observed:

1. The discharge pipeline has to be installed higher than the lowestinstalled appliance by means of a pipe loop.

2. If the flow rate is smaller than 5 l/s the vertical fall section of thepipe loop has to be increased.

3. If the flow rate is above 5 l/s the vertical stack has to be ventedwith a ventilation pipe of at least 50 mm inside diameter.

4. Long horizontal collector pipes have to be vented. The minimalinner diameter of the vent pipe must be 57 mm or 2 dimensionssmaller than the discharge pipe.The ventilation pipe must be higher than the total delivery head ofthe pump and must go above the roof.

Pumpedpressurepipeline


Vertical stack

Verticalstack

Verticalstack

Collector pipe


Vertical stack

Collector pipe

PumpedpressurepipelineV> 5 l /s

Vent 50/56

Side vent 50/56

Collector pipe

VerticaldischargestackPumped

pressurepipeline

Vent 50/56Side vent 50/56

Collector pipe

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External pressures

Internal negative pressures

External pressures

Permitted external pressures

Geberit HDPE pipes will withstand external pressures according to the tablebelow depending on the pipe diameter.

The maximum level of the groundwater table has to be taken into accountwhen designing Geberit HDPE pipelines in a groundwater area.

Internal negative pressures Geberit HDPE pipes will withstand internal negative pressure according to thetable above depending on the pipe diameter.

Geberit HDPE pipes are sometimes used as suction pipelines for pumpsets.The higher the suction lift is, the higher the negative pressure inside the pipeline.Important with such an installation is that the foot valve and strainer are notblocked.Foot valve and strainer of the suction pipeline should be kept free from debris,possible blockage could lead to additional pressure increase.

Pipe Wall thickness External pressures (mm) bar m Water column

32 3 4,8 49,0

40 3 2,5 25,5

50 3 1,4 14,3

56 3 0,82 8,4

63 3 0,64 6,5

75160 36,2 0,36 3,7

200315 6,29,8 0,18 1,8

For adequate fittings see page 4

Permitted internalnegative pressures

Pipe Wall thickness Internal negative pressures (mm) bar

32 3 1,0

40 3 1,0

50 3 1,0

56 3 0,82

63 3 0,64

75160 36,2 0,36

200315 6,29,8 0,18

For adequate fittings see page 4

551

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Fire protection

Depending on the type of building different fire protection will be required(see local fire regulations for buildings).

Building parts

The requirments for buildingcomponents are classified in fireresistantclasses in order to maintain maximumintegrity of the relevant wall, floor orceiling.

The weakening of a fire protectionwall or ceiling is not allowed underany circumstances.

Passing through wall and ceiling

Installationand time of fire resistance

The integrity of the wall or ceiling willbe maintained for the permittedperiods, when Geberit fire sleeves areused as illustrated.

Fire resistance Fire resistance Materialclass time (minutes) (example)

F 30 30 50 mm gipsum board

F 60 60 100 mm brick-wall




1211

10

9

8

7 65

4

3

2

1

STOP!90 Min

!in

1211

10

9

87 6

54

3

2

1

ST90

P!Min

Installed on one side ofthe wall Fire class F 90

Installed on both sides ofthe wall Fire class F 90

Installed on the ceilingFire class F120

Use only for:

56

1211

10

9

87 6

54

3

2

1

STOP!90 Min

1211

10

9

87 6

54

3

21

STOP!90 Min

1211

10

9

87 6

54

3

21

STOP!90 Min

1211

10

9

87 6

54

3

21

STOP!90 Min

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Geberit HDPE Fire stoppers

57

Fastening tongue with slot

Holder for safety pinduring transport

Snap-locking

Safety pin (after fixation)

Rivets for fixation ofinternal- and outside-box

Stainless steel box

Soft-PE insert forcentering and acousticinsulation

Firestop-material

Measurements:

Installation instructions

Geberit HDPE D (mm) H (mm) D1 (mm) A min (mm) B min (mm) Art. Nr.

50, 56, 63, 75 165 110 110 120 150 3x 365.814.00.1

90,110,Silent 75 205 110 150 140 190 4x 367.814.00.1

125, Silent 110 225 110 170 150 210 4x 368.814.00.1

160 265 110 220 170 260 4x 369.814.00.1

200 315 110 270 195 310 4x 370.814.00.1

D1

D D

D1

H

A

A

A B B

Fill gap between pipeand wall using strongcement.

The Fire sleeve canbe easily wrappedaround the pipe usingquick snap lockingaction.

The Geberit HDPEFire sleeve must befitted to the wallusing metal dowels.

The Geberit HDPE Firesleeve must always befitted to the wall and not

built into the wall.

.

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Ecological properties of Geberit HDPE

59

Polyethylene (PE) is a simple compound of carbon and hydrogen atoms,harmless to man, animals and plants.

PE environmental loads relate to the fields of manufacture and disposal.In addition to the raw material crude oil, energy is used for the preparationof the plastic granulate and in the manufacture of the products.

PE is the perfect material for drainage systems from an ecological point of view.It has a long life span, no toxic gases rises from incineration (e.g. hydrochloricacid HCL from PVC) during disposal. It consumes much smaller quantitiesof energy during fabrication process and transport than steel, cast iron orcopper pipes.

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Ecological properties of Geberit HDPE

60

Environmental impact of different pipematerial (Ecobalance)

The diagram shows the environmental impact of 1 m pipe 110 during itsexpected life, beginning with its raw material and ending with its disposal.

The environmental impact is measured in environmental points (UP), accordingto the regulations of the Swiss Federal Office of Environment, Forest andCountryside (BUWAL), Publication series 132 and 133.

7000

UP/m pipe

0

1000

2000

3000

4000

5000

6000

Cast iron50%recycledtin plate

Cast iron100%recycledtin plate

PVC ABS HD-PE

Disposal of pipes

Manufacture of pipes

Manufacture of raw material

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61

Comments on the individual properties

Geberit High Density Polyethylene HDPE: Density 951 955 kg/m3

The density of various polyethylene types can be 910 960 kg/m 3. The Geberit typeat up to 955 kg/m3, is of the hard quality and has increased durability properties.HDPE is lighter than water, which is beneficial particularly with regard to transportationandinstallation.

Tempered 10 mm per meter (licence Geberit International AG)The safest way of avoiding the inevitable heat reserves (shortening of dimensions) afterheat load in the plastic pipe, is to take preventative measures during manufacture.Geberit HDPE pipes are therefore stored in hot water baths after manufacture.This process increases the safety of the joints, as there is no chance of joints pullingapart later due to shortening of length.

Resistance to coldWhen Geberit HDPE parts are filled with water and then freeze, they stretch elasticallyas the ice expands. Once the ice melts, they resume their original shape, remainingcompletely intact and undamaged.

FlexibilityThe flexibility of the piping material can be the main criterion in certain buildings or onbridges, especially when pipes have to pass through expansion joints or are inbuildings, which are subject to traffic vibration.

Melt-flow index 0,4 0,5g/10 min.This describes the working properties of the pipe and at the same time givesinformation on the molecular weight, which is crucial for a number of raw materialproperties. The smaller the melt-flow index, the higher the molecular weight and thusthe pipes resistance to stress corrosion.

Heat conductivity 0,43 W/m KHDPE is a bad heat conductor; for this reason the pipe does not become completelywarmed through when heat loaded for a short period. Heat loss is about 90% less,for instance, than a similar copper pipe.

Resistance to radioactive effluentsThere is no risk of damage as a result of slightly radioactive water. However, pleaseask the manufacturer for more information relevant to the particular application.

Resistance to abrasionDrainage systems are increasingly becoming hidden refuse chutes. A pipes resistanceto abrasion is a particularly important factor in branch pipes, soil stacks and groundpipes. HDPE is highly resistant to abrasion; its extra thick walls offer additionalprotection.

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62


Heat expansion 0,17 mm/m KHeat expansion of HDPE is relatively high. As a rule of thumb, for every 50C increasein temperature, an expansion of 10 mm of linear meter of pipe can be anticipated.

Resistance to hot waterGeberit HDPE can be safely used as waste pipe with no mechanical load, up to 80C.Temperatures of up to 100C for short periods (e.g. surges of steam) are permissible.

Resistance to impactGeberit HDPE is unbreakable at room temperature. Its resistance to impact is veryhigh even at extremely low temperatures (down to approx. 40C) and thus meets therequirements for outlet pipes.

CondensateGeberit HDPE is a poor conductor of heat. No condensate should form during shortperiods of undercooling.

Behaviour in firePlastics are inflammable. However, the classification of plastics according to the usualfire test for construction materials does not permit a valid statement on the behaviourof plastic construction parts in the event of a fire.

TightnessMany years of experience with welding HDPE-Pipes, have shown that the butt weldsdo not give any problems as the welding parts are circular on the inside and do notadd to the normal risk of blocking.

NoiseHDPE is a soft material with a low E-modulus. HDPE limits solid-borne conduction,but airborne noise should be insulated. This can be done by means of the duct wall,HDPE Silent or Geberit Isol.

Chemical resistanceBecause of its paraffinic structure, Geberit HDPE is highly resistant to chemicals.Its resistance can be summarized briefly as follows: Geberit HDPE is insoluble in allinorganic and organic solutions at 20C. Geberit HDPE is only soluble in aliphatic andaromatic carbons and their chlorinating products at over 90C. The material will beattacked by heavily oxidized media (conc. HN03, conc. H2 S04) when exposed overlong periods at room temperature.

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Non-conductivePlastics have an excellent reputation as insulators in the electronics industry.HDPE cable protection ducts, cast resins, insulating paint etc.

Sealing materialAlthough the chemical resistance of the seal does not equal that of HDPE, there is norisk of the seal being destroyed, because the rubber ring is installed under com-pression on all sides and therefore cannot swell. In addition, the wetting factor of therubber ring in the joint is very low. Many years of experience have shown that thesealing material can endure even the harshest conditions.NB: Such conditions do not occur in drainage pipes.Free halogens (chlorine, bromine etc.) cause halogenised polyethylene and hydrogenhalide to form at room temperature. The halogenised polyethylene has different

physical and chemical properties from the original hydrocarbon, but the polymer is notdestroyed. Geberit HDPE should therefore not be used at all in areas where freehalogens are produced or used. The only criteria to be observed here are the purposefor which the pipe is intended and the concentration of halogens.

Solar radiationGeberit HDPE pipes are protected against ageing and embrittlement caused by UVrays by the addition of approximately 2% soot.

Protection against blockagesHDPEs water-repelling properties are highly beneficial in this regard. Rapid outflow of water

Prevention of deposits

Welding temperatureThermoplasts are processed with a high level of energy efficiency. The temperaturesrequired are relatively low in comparison with metals. The welding temperature forHDPE is approximately 230C. Simple tools allow for easy processing.

Non-toxicPlastics are well suited for use in the food industry as packaging material, containers,bottles etc. Geberit HDPE pipes are used for milk transportation lines in mountainareas and in the food canning and packing industry.

Scope of useGeberit HDPE pipes are designed for drainage systems. Their use in low-pressureareas (swimming pools, transportation lines etc.) is subject to a maximum pressureload of 15 m Water Column (1,5 bar) and a temperature of 30C (10 years).There is also a certain range of moulded fittings.

PaintingGeberit HDPE is not suitable for painting. Its water repellent properties and theflexibility of the material both have a negative impact on paint. If painting isunavoidable, the paint product to be used should be tested for compatibility with theHDPE.

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Length = 5000 mm

64

The importance of tempering

Manufacturing process of GeberitHDPE pipes

Effects of annealing of Geberit HDPEpipes

1 Driving motor 4 Screw 7 Gauging device 9 Drawing device2 Raw material 5 Electric strip heaters 8 Cooling bath 10 Finished pipe3 Extruder 6 Mould

As a result of manufacturing, the molecule chains are stretched and thancooled sown from about 230C to 40C. This enormous drop intemperature results in tensile stresses which are frozen in by the coolingdown process.

When hot water flows through a streched pipe or the pipe is heated upby doing a welding joint, e.g. with an electroweld sleeve coupling, theexpanded molecules relax and return to their normal state. The pipebecomes shorter.

Stretched molecules aftermanufacturing

Molecules after Geberit annealingprocess

The safest way of avoiding the inevitable heat shortening of dimensions afterheat load in the plastic pipe is to take preventative measures (Tempering)during manufacture. Geberit pipes are therefore stored in a hot water bathafter manufacture, this allows the expanded molecules to relax and return totheir normal state = No stresses on Geberit pipes.

Tempering of Geberit pipes reduces mechanical stress and joints andfixations. Through this process even the high precision requirements forelectroweld sleeve couplings can be met.

Without tempering, shortening ofdimensions can create gaps bet-ween pipe and fitting, pipes can bepulled apart high risk of leakage!

After manufacture

Admitted shortening according to standards 150 mm

Max. admitted shortening according to Geberit licence 50 mm

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The significance of the pH value

One of the most crucial factors in selecting a material for a drainage installationis the chemical loading of the effluent being discharged.

Effluent with a low or a high pH is harmful because of its corrosive effects.E.g. some drain cleaning fluids have a pH value of up to 12.

Therefore in order to select the most suitable material to handle a specificdischarge it is important not only to know the pH value of the effluent but thechemical resistance of the pipe materials.(see Chemical Resistance tables on pages 65 to asses the performance ofGeberit HDPE at various temperatures)

The pH value is therefore important in assessing the chemical level as it willindicate whether the effluent is acid, neutral or alkaline. The pH scale rangesfrom 0 to 14 (see table below).

increasingly acid increasingly alkaline

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

very acid slightlyacid

slightlyalkaline very alkaline

NEUTRAL

HDPE . . .

. . . can be used safely with pHvalues from 0 to 14.

. . . is therefore suitable, forexample, for use witheffluents containing over30% hydrochloric acid.

pH values of some drinks andcleaning agents

pH-value

Cola drinks 2,8

Apple juice 3,5

Tartaric acid 2,2

Citric acid 2,8

Washing solut ions 913

Toilet cleaner 2 4

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Chemical resistance list

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Explanation

When the pipe wall material comes into contact withsubstances flowing through the pipe, different processes cantake place, such as the absorption of liquid (swelling), theextraction of soluble elements in the material (shrinkage) or

chemical reactions (hydrolysis, oxidation etc.), which cansometimes cause the properties of the pipes or pipeline parts tochange.

The performance of pipes and pipeline parts when in contact

with effluent substances can be classed as follows:

q ResistantThe pipe wall material is generally regarded as being suitable

Limited resistanceThe suitability of the pipe wall material must be checked ineach individual case; if necessary, further tests should be

carried out.

Not resistantThe pipe wall material is generally regarded as beingunsuitable.

The following symbols and abbreviations are used to indicate

the composition of the flow substances:

% Percentages refer to mass proportions in %.

VL Aqueous solution, mass proportion 10%.GL Aqueous solution saturated at 20C.

TR Chemical is at least technically pure.

H Normal commercial composition.

S Traces < 0,1%

G Usual mass proportion of any saturated solution or dilution.

Data is based on immersion tests without mechanical load andreflects current levels of knowledge. No claims under guarantee

AAcetic aldehyde 40 q q

Acetic aldehyde TR q Acetic aldehyde+acetic acid 90:10 qAcetanhydride (acetic anhydride) TR q Acetamide TR q q qAcetanhydride TR q

Acetic acid 70 q q qAcetic acid 100 q q

Acetic acid butyl ester q Acetic ether (ethylacetate) 100 q qAceto-acetic acid qAcetone VL q q q

Acetone TR q q qAcetophenone TR qAcetylene qAcronal dispersions H q Acronal solutions H

Acrylonitrile TR q q qAcrylic acid-emulsions q q qAcrylic acid ethylester 100Activine (chloramine 1%) q q qAdipinic acid GL q q qAdipinis acid ester q

Allyl acetate q Allyl alcohol 96 q q qAllyl chloride Alum (potassium aluminium sulphate) any q q qAluminium chloride VL q q q

Aluminium chloride GLq q q

Aluminium chloride, solid q q qAluminium fluoride GL q q qAluminium hydroxide q q qAluminium metaphosphate q q qAluminium sulphate any q q qAluminium sulphate, solid q q qAmidosulphates

(amido-sulphonic acid salts) any q q qAmido-sulphonicacid any q q qAmino acids q q qAmmonia, gaseous 100 q q qAmmonia, liquid 100 q q qAmmonia solution (ammonium hydroxide) any q q qAmmonium acetate any q q qAmmonium carbonate

and bicarbonate of ammonium GL q q q

Ammonium carbonate any q q qAmmonium chloride (sal-ammoniac) any q q qAmmonium dihydrogen phosphate GL q q qAmmonium fluoride L q q qAmmonium hydrosulphide any q q qAmmonium metaphosphate q q qAmmonium nitrate any q q

Ammonium phosphate any q q qAmmonium sulphate any q q qAmonium sulphide any q q qAmmonium thiocyanate q q qAmyl acetate TR q q qAmyl alcohol TR q q qAmyl chloride 100 Amyl phthalate q Anilin (phenylamine) GL

The following data is required for a declaration ofchemical resistance:

Corrosion medium, composition (chemical description),DIN safety data sheet

Temperature

Proportion (concentration)

Information on reaction time, frequency, flow quantity

Other flow media

Geberit HDPEProport. Performance at

Flow through substance % 20 40 60C

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Anilin chlorhydrate any q q qAnise oil TR qAnone (cyclohexanone) TR q Anthraquinone sulphonic acid 1 q q qAntifomine (benzaldoxime) 2 qAnti-freeze H q q qAntimonious trichloride, anhydrous q q qAntimonious trichloride 90 q q qAntimonious pentachloride q q qApple juice H q q qApple wine H q q qAqua regia TR Arklone (= reon, frigen) (Chloro fluorcarbon CFC) 100 Aromativ oils Arsenic any q q qArsenic acid anhydride q q qAscorbic acid (vitamin C) q q qAsphalt q

BBarium carbonate

chem. precipitated 98/99% any q q qBarium hydroxide any q q qBarium salts any q q qBattery acid (sulphuric acid,~34%) H q q qBaysilon separating agent 100 q qBeef fat q Beef suet q q qBeeswax H q q

Beer H q q qBeer colouring H q q qBenzaldehyde any q q

Benzaldehyde in isopropyl alcohol 1 q q qBenzene TR Benzaldoxime (antiformine) 2 qBenzene/benzol mixture 80/20 q Benzene sulfonic acid q q qBenzoic acid any q q qBenzoyl chloride TR

Benzyl alcohol TR q q qBenzyl chloride Bichromate sulphuric acid

(chromic acid/sulphuric acid) TR Bismuth nitrate, acqueous any q q qBismuth salts q q qBisulfite solution q q q

Bitumen q Bleach solution with 12,5% active chlorine Bone oil q q qBorax (sisodic tetraborate) any q q qBoric acid any q q qBoric acid methyl ester q Boric trifluoride q Brake fluid q q qBrandy H q q qBromic acid 40 Bromin, liquid and gaseous any Bromochloromethane Butadiene 50 q q qButadiene TR q Butandial any q q qButane, gaseous TR q q qButanol any q q q

Butanon q Butantriol any q q qButindial 100 q q qButoxyl (methosybutylacetate) q Butter q q qButtermilk qButyl acetate TR q Butyl acrylate q

Butyl alcohol q q qButyl benzylphthalate q q qButylene, liquid TR Butylene glycol TR q q q

Butylene phenol TRq q q

Butylene phenol, p-tertiary TR Butyric acid any q q

CCalcium carbide q q qCalcim carbonate GL q q qCalcium chloride any q q qCalcium hydroxide (lime) GL q q qCalc ium hypochlorite (chlorinated lime) GL q q qCalcium nitrate 50 q q qCalcium oxide (powder) q q qCalcium phosphate q q qCalcium sulphate (gypsum) GL q q qCalgon (sodium hexametaphosphate) any q q qCampher TR q

Campher oil TR

Cane sugar q q qCaoutchouc dispersions (Latex) q q qCarbazol q q qCarbol (phenol) any q q Carbolic acid (phenol) any q q

Carbon bisulphide TR Carbon dioxide (soda water) any q q qCarbon tetrachloride TR Castor oil TR q q qCaustic ammonia (ammonium hydroxide) any q q qCaustic potash solution 50 q q qCaustic soda (sodium hydroxide) any q q qCD 2 up to 5% qCD 3 up to 5% qCetyl alcohol q q qChloracetic acid any q q qChloral hydrate any q q q

Chloramine T TR qChloramine T VLChloric acid 1 q q qChloric acid 10 q q qChloric acid 20 Chlorinated carbon dioxide ester q

Chlorinated lime (calc ium hypochlorite) GL q q qChlorinated paraffin 100 q Chlorine VL q Chlorine GL Chlorine, gaseous, damp 0,5 Chlorine, gaseous, damp 1,0 Chlorine, gaseous, damp 97 Chlorine, gaseous, dry TR Chlorine, liquid TR Chloroacetic acid ethyl ester TR q q q

Chloroacetic acid methyl ester TRq q q

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Dextrose (glucose, grape sugar) any q q qDiamin hydrate TR q q qDiethyl ether (ether, ethyl ether) TR

Diethylene glycol q q qDi-2-ethylhexylphthalate (DOP) q Diethyl ketone q

1,2-Dibromoethane Dibuthyl ether TR Dibutylphthalate TR q Dibutylsebacate TR q

Dichlorethylene TR Dichlorbenzene TR

Dichloracetic acid 50 q q qDichloracetic acid TR q q Dichloracetic acid methyl ester TR q q qDichlorodiphenyltrichloromethane

(DDT, powder) q q qDichlorpropane Dichlorpropene Dielectric (transformer oil) 100 q

Diesel fuel H q Diglycolic acid 30 q q qDiglycolic acid GL qDihexylphthalate TR Di-isobutylketone TR q Di-isopropylether Dimethylamine TR q Dimethylformamide TR q q

Dimethylsulfoxide q q qDisodic phosphate q q qDisodic sulphate q q qDisodic tetraborate (Borax) any q q qDinonylphtalate TR

Dioctylphtalate TR q q Dioxan TR q q qDiphenylamine q Diphenyloxide q

Dispersions qDistilled oils Dodecyl benzene sulphonic acid q Dry potash (potassium hydroxide) 50 q q qDyes q q q

EElectrolytecbaths for electroplating

Emulsifying agents q q qEmulsifying agents (Tenside) any q q qEmulsionen (photographic) H q q qEpichlorohydrin q Epichlorohydrin q q qEpsom salts (magnesium sulphate) any q q qEthane q q qEthanol (rectified spirit, ethyl alcohol,

wine spirit) 96 q q qEther (sulphuric ether, diethyl ether) TR

Ethyl acetate TR q Ethyl alcohol (rectified spirit, ethyl alcohol,

wine spirit) 96 q q qEthyl alcohol, denatured (2% Toluol) 96

Ethyl alcohol (fermation mash) G q Ethyl alcohol + acetic acid

(fermentation mix) G q q qEthyl benzene TR

Chlorobenzol TR Chloroform TR Chloromethyl, gaseous TR Chlorsulphonic acid TR Chromanode mud q q qChromic acid 20 q q

Chromic acid 50 q Chromic acid/sulphuric acid/water,

50/15/35 Chromic alum any q q qChromous salt any q q qChromium sulphuric acid TR

Chromium sulphuric acid anyq

Chromium trioxide 50 q Citraconic acid any q q qCitrate any q q qCitric acid any q q qCitronaldehyde TR q Citrus juices q q qClophene

(polychlorinated biphenyls PCB) 100 q Coal tar oil q Coca Cola qCocoa G q q qCoconut oil alcohol TR q Coconut oil TR q q Cod liver oil q Coffee G q q qCognac q

Cola conzentrate q q qCompressed air containing oil q qCooking oil, vegetable and animal q q qCopper chloride GL q q qCopper cyanide any q q qCopper fluoride q q qCopper nitrate 30 q q qCopper nitrate GL q q qCopper salts GL q q qCopper sulphate any q q qCorn oil TR q q Corsolin (disinfectant;

chlorophenol soap solution) VL q q qCover paint q qCreosote q q qCresol 90 q q qCresol 100 q q

Crotonaldehydo TR q Crude oil q Crystalline acid TR q Crystal oil (solvent naphtha) TR

Cumarone resin q q qCyclanone L q q qCyclanone H q q qCyclohexane TR q q qCyclohexanol TR q q qCyclohexanone (Anone) TR q

DDecahydronaphtalene (Decalin) TR q Dessicator oil q Detergents q q qDeveloping solutions (photographic) q q q

Dextrine 18q q q





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Fruit juices, unfermented q q qFruit juices, fermented q q qFruit wine H q q qFruit pulp H q q qFruit tree carbolineum q Fuel oil H q

Furfur alcohol TR q q qFurfurol q

Furniture polish q

GGas liquor q q q

Gelatine anyq q q

Gin 40 qGypsum (calcium sulphate) GL q q qGlaubers salt (sodium sulphate) any q q qGlucose (grape sugar, dextrose) any q q qGlue q q qGlutine glue H q q qGlycerin any q q qGlycerin chlorohydrine q q qGlycocoll VL q q qGlycol H q q qGlycolic acid 37 q q qGlycolic acid 70 q q qGlycolic acid butyl ester q q qGlysantine q q qGrape sugar (glucose, dextrose) any q q qGravy q q q

HHalothane Heptane TR q n-Heptane TR q

Hexadecanol (cetyl alcohol) q q qHexafluorosilicic acid 32 q q qHexamine any q q qHexane TR q n-Hexane TR q Hexantriol TR q q qHchst drilling agent

Honey q q Hydraulic fluid q

Hydrazine hydroxide L q q qHydroammonium sulphate

(ammonium hydrosulphate) any q q q

Hydrobromic acid 50 q q qHydrochloric acid any q q qHydrochloric gas, dry+damp TR q q qHydrocyanic acid (prussic acid) 10 q q qHydrocyanic acid TR q q qHydrofluoric acid 50 q q

Hydrofluoric acid 70 q Hydrogen TR q q qHydrogen bromine, gaseous TR q q qHydrogen peroxide 10 q q qHydrogen peroxide 30 q q qHydrogen peroxide 90 q Hydrogen sulphide GL q q qHydrogen sulphide, gaseous TR q q Hydrogen superoxyde 30 q q qHydrogen superoxyde 90 q

Hydroquinone Lq q q

Ethyl chloride TR

Ethylene q Ethylene chloride TR

Ethylene chlorohydrin TR q q qEthylene dichloride (Ethylene chloride) Ethylene diamine TR q q qEthylene diamin tetra-acetic acid q q qEthylene bromide

Ethylene chloride (dichlorethylene) Ethylene glycol TR q q qEthylene oxide, gaseous TR q q qEthylene oxide, liquid TR

Ethyl ether (Ether, Diethylether) TR

2-ethylhexanol q Ester, alphatic TR q Exaust gases, containing hydrogen fluoride S q q q

containing hydrogen fluoride S q q qcontaining carbon dioxide any q q qcontaining carbon monoxide any q q qcontaining nitric oxide S q q qcontaining nitric oxide 5 q q qcontaining nitric oxide > 5 containing oleum S

containing oleum 5 containing hydrochloric acid any q q qcontaining sulphur dioxide any q q qcontaining sulphuric acid any q q qcontaining sulphuric acid (damp) any q q qcontaining sulphur trioxide (oleum) S

containing sulphur trioxide (oleum) S q q q

FFatty alcohol q Fatty alcohol sulphonate (cyclanone) L q q qFatty alcohol sulphonate H q q qFatty acids (technically pure) 100 q Fatty acids TR q q Fatty acid amides q Fermentation mash (ethyl alcohol) G q

Fermentation mix(ethyl alcohol + acetic acid) G q q q

Ferrous chloride GL q q qFerric chloride any q q qFerric nitrate L q q qFerric sulphate GL q q qFerrous sulphate any q q q

Fertilizer salts any q q qFir needle oil H q Fixative salt (sodium thiosulphate) any q q qFloor polish q

Flowers of sulphur (elementary sulphurin powder form) TR q q

Fluoride TR Fluobolic acid q

Formaldehyde (formalin) 40 q q qFormalin (acqueous formaldehyde) 40 q q qFormamide TR q q qFormic acid 10 q q qFormic acid 50 q q qFormic acid 85 q q qFormic acid TR q q qFreon 12 100

Fruit juices Gq q q






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Hydrosilicofluoric acid 32

Hydrosilicofluoric acid any q q qHydrosulphite VL q q qHydroxylamine sulphate 12 q q qHypochlorous acid Hypophosphite any q q q

IInk q q qInterlacing agent 5 qInsecticides G q q qlodine-potassium iodide (3% iodine) q q q

Isobutyl alcoholq q q

Iso-octane TR q Isopropanol (isopropyl alcohol) TR q q qIsopropyl acetate 100 q Isopropyl ether TR Isobutylaldehyde (technically pure) 100 q Iron (Ill) ammonium sulphate GL q q qIron salts any q q q

JJam H q q qJavel water (sodium hypochlorite) 5 q q qJelly q q q

KKaolin, washed/ground any q q qKerosine (petroleum) TR q q

Ketone Kitchen salt, saturated (sole) 100 q q q

LLactose q q qLanolin TR q q qLactic acid any q q qLatex (caotchouc dispersions) q q qLead (Il) acetate any q q qLemon aroma qLemon juice q q qLemon zest qLime (calcium hydroxide) GL q q qLime water q q qLinseed oil TR q q qLighting gas, benzole free H qLevoxin 15 (diamin hydrate) TR q q q

Liquid soap q q qLiquor H Lemonade qLipoids (lecithin, emulsifiers) any q q qLithium bromide q q qLixtone SO qLixtone TS 803/M qLubricant oils H q q

Lubricant soap q q qLysoform (disinfectant; acqueous solution

var. higher aldehydes) VL q q Lysol q

MMagnesium carbonate GL q q qMagnesium chloride any q q qMagnesium fluorsilicate q q qMagnesium hydroxide GL q q qMagnesium iodide q q qMagnesium salts any q q qMagnesium sulphate any q q qMaleic acid GL q q qMalic acid 1 q q qMalic acid 50 q q qMalic acid GL

Manganese sulphateq q q

Margarine q q qMaschine oil TR q Mashed potato q q qMashes q q qMayonnaise qMolasses H q q qMolasses aroma q q qMenthol TR q q

Mercuric chloride TR q q qMercuric salts GL q q qMercury TR q q qMersol D (mixture of higher

paraffin sulfonic acid chlorides) 100 Metallic mordant qMetallic soap q q qMethacrylic acid q q q

Methane, gaseous TR qMethanol (methyl alcohol) any q q qMethoxybutanol TR q q

Methoxybutyl acetate (butoxyl) q Methyl alcohol (methanol) any q q qMethyl acetate TR q qMethyl acrylate q q qMethylamine 32 qMethylbenzene (toluol) TR Methyl bromide, gaseous TR Methyl chloride TR Methylcyclohexane Methylene chloride TR Methyl ethyl ketone TR q Methyl glycol q q qMethyl isobutylketone q Methyl metacrylate q q q

4-Methyl-2-pentanol q Methyl propylketon q n-Methyl pyrrolidone q q qMethylsalicylate (Salicylic acid methyl ester) q

Methyl sulphuric acid 50 q q qMethyl sulphuric acid 100

Metol (4-methyl-amino-phenosulphate)(photographic-developer) VL q

Milk H q q qMineral oil, without additives q

Mineral oil, free of aromat ic compounds H q q Mineral water H q

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