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Sprinkler Systems Installation GuideUser Guide for Geberit Mapress Pipework Installations to LPC Rules for Automatic Sprinkler Installations (incorporating BS EN 12845). Valid from 1. August 2011

1 Introduction 3

1.1 TheGeberitMapresspressfittingjoint 3

2 Components 4

2.1 GeberitMapresssystemcomponents 4 2.2 GeberitMapressStainlessSteel 4 2.2.1 GeberitMapressStainlessSteelpressfitings 4 2.2.2 GeberitMapressStainlessSteelsystempipes 4 2.3 GeberitMapressCarbonSteel 5 2.3.1 GeberitMapressCarbonSteelpressfittingsgalvanised 5 2.3.2 GeberitMapressCarbonSteelsystempipes 5 2.4 GeberitMapresspressingtools 5

3 Applicationsandplanningguidelines 6

3.1 InstallationinaccordancewithLPCB 6 3.2 Systemlayout 9 3.3 Hazardclassifications 9 3.4 Connectionstomainswater 9 3.5 Pipesupports 10 3.6 Calculationofpressurelossesinpipework 10 3.6.1 Equivalentpipelengths 11 3.7 Expansioncompensation 15 3.7.1 CalculatingexpansioninMapressStainlessSteel 16 3.7.2 CalculatingexpansioninMapressCarbonSteel 20 3.8 Layingtechniques 24 3.9 Wallpenetrations 24

4 Installation 25

4.1 Tooling 25 4.2 Transportandstorage 25 4.3 MakingaMapresspressconnection 25

4.4 Preparethepipeandfittingforthepressingoperation 26

5 Commissioning 30

5.1 Bendingthesystempipes 30 5.2 Connections 30 5.3 Flushingthepipes 30 5.4 Pressureandleaktest 30 5.5 Refillingandair-bleedingofthepipesystemforcommissioning 30 5.6 Compatibilityofadditives 30 5.7 Compatiblepaintsandcoatings 31 5.8 Maintenance 31 5.9 Servicelife 31

6 Supportservices 32

6.1 Geberittechnicalservice 32 6.2 Training 32U

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aticSprinklerInstallations(incorporatingBSEN12845)

Contents

2

3

SprinklerSystemsInstallationGuideIntroduction

1IntroductionAutomaticsprinklersystemsaredesignedforthepurpose

ofdetectingandsuppressingorextinguishingafireas

earlyaspossibleduringitsinitialphasesothatitcanbe

safelyextinguishedusingothermeans.Thesesuppression

systemsandcomponentsaresubjecttospecial

requirementsbythecertifyingbodies.

LPCBapprovedGeberitMapresspipesandfittings

intendedforuseinsprinklersystemsinaccordancewiththe

LPCRulesforAutomaticSprinklerInstallationsareavailable

withanominaldiameterofDN20toDN100instainless

steelandcarbonsteel(internally&externallygalvanised).

WiththeGeberitMapresspressfittingpipeandfittings

system,pressingthefittingandpipetogetherproducesa

permanentandhigh-strengthpipejoint.Thepermanent

tightnessoftheconnectionisachievedbytheseal

ringsthatareinsertedintothepressfittingbeadbythe

manufacturer.Thesystemhasbeenusedsince1969

innon-alloysteelforclosedheatingsystemsandsince

1985instainlesssteelfordrinkingwatersystems.Since

thentheproductrangeofGeberitMapresspressfitting

productsforapplicationsintheareasofbuildingservices

andindustryaswellasinmarineapplicationshasbeen

continuouslyexpanded.GeberitMapresshasbeenwidely

usedinsprinklersystemsacrossEuropesince1984and

in2011hasreceivedLPCBapproval.

OtherGeberitMapressproductsoutsidetherange

approvedbyLPCBandintendedforuseintheLPCrules

forautomaticsprinklerinstallationscanbefoundinthe

GeberitSupplySystemsProductGuideandincludes

GeberitMapressCuNiFe,aseawaterresistantcopper-

nickelalloy.Forwaterextinguishingsystems,pipeswith

anominaldiameterofDN20toDN100areavailablein

stainlesssteel,carbonsteelinternally/externallygalvanised

andCuNiFe.

TheGeberitMapresspressfittingsystemismanufactured

tomeetthedesignandinstallationrequirementsof

buildingfireprotection.

Thesesystemsincludethefollowingcomponents:

•GeberitMapresspressfittings

•GeberitMapresssystempipes

•GeberitMapresspressingtools.

1.1 TheGeberitMapresspressfittingjoint

Thepressfitting,withsealringsfactory-fittedintheends,

isthebasicelementofthesystem.TheGeberitMapress

systempipeisinsertedintothepressfittingsasfarasthe

specifiedinsertiondistance.Thejointiscreatedusingthe

GeberitMapresspressingtool.

Thepressingoperationhasanimpactontwolevels.

Firstly,themechanicalstrengthoftheconnectionis

achieved.Secondly,theo-ringensuresthewatertightseal

oftheconnection.

Figure 1: Section through a pressfitting joint with the pressing jaw (hexagonal pressing contour) still in position.

Figure 2: Section through a pressfitting joint with the pressing collar (lemon shaped pressing contour) still in position.

seal ring

A

press�tting

pressing jaw

A

pipe A-A

tightness strength level

press�tting

pressing collar

tightnessstrength level

pipe A-A

seal ring

A

A

seal ring

A

press�tting

pressing jaw

A

pipe A-A

tightness strength level

press�tting

pressing collar

tightnessstrength level

pipe A-A

seal ring

A

A

SprinklerSystemsInstallationGuideComponents

2 Components

2.1 GeberitMapresssystem componentsTheindividualcomponentsoftheMapresssystemare

carefullymatched.Infireprotectionsystems,Geberit

Mapresspressfittingsmaythereforeonlybeusedin

conjunctionwithGeberitMapresssystempipesand

pressingtools.Sizes,weightsandpackageunitscanbe

foundintheGeberitproductcatalogue.

Thefittingendsareprovidedwithapressingindicatorin

thefactory.Thepressingindicatorisdestroyedbythe

pressingprocedureandshallsubsequentlybemanually

removedbytheinstallerafterpressing.

Thepressingindicatorhasthefollowingfunctions:

• Indicatestotheinstaller,beforethepressuretest,

thatthereareunpressedconnections

• Displaysthedimensionsofthefittingsinan

unpressedstate

• ClearlyidentifiesthefittingasaGeberitproductin

anunpressedstate

• Indicatesthematerialofthefittingbyitscolour-blue

forstainlesssteelandredforcarbonsteelinan

unpressedstate.

AllMapressfittingsalsocomewithaprotectionplugon

eachend.Thisprotectsthesealringfromdustanddirt,

increasinghygieneandsafety.

2.2 GeberitMapress StainlessSteelTheGeberitMapressStainlessSteelpressfittingsystem

isLPCBapprovedforuseinwetsprinklersystems

totheLPCRulesforAutomaticSprinklerInstallations.

Thesystemcanbeinstalleddirectlyinconcrete.

GeberitMapressStainlessSteelislistedundertheWater

RegulationsAdvisorySchemeforuseindrinkingwater

installations.CertificateNo:0610086.

2.2.1 GeberitMapressStainlessSteel

pressfittingsGeberitMapressStainlessSteelpressfittings,also

freeofsilicone,aremadeofhigh-alloyed316steel,

X5CrNiMo17-12-2inaccordancewithDINEN10088,

materialno.1.4401/AISI316.Allfittingsaresolutionand

brightannealedtoincreasecorrosionresistance.The

stainlesssteelpressconnectorsleakifunpressedandare

markedwiththemanufacturercodeaswellaswiththe

LPCBcertificationmarks(onthepackaginglabel).

2.2.2GeberitMapressStainless SteelsystempipesGeberitMapressStainlessSteelsystempipesare

madeofthesamehighquality316steelasthe

pressfittings.Afactorystandardensuresthatadditional

increasedrequirementsaremet:

• Increasedmolybdenumcontent,atleast2.2%

• Weldseamadditionallysmoothedontheinside,

solutionandbrightannealedforincreasedcorrosion

protection

• Pipelength6m

• Canbecoldbent(seesection5.1).

TheybeartheLPCB,FM,TUVandDVGWcertification

marks.Thethin-walledpipesandpressfittingslead

toaweightreductionofabout50%comparedto

conventionalstandardpipework.

Table1:Pipedimensionsinstainlesssteel

4

Ø=outsidediameter

s=wallthickness

Size(mm)

DN Øxs(mm) Weight(kg/m)

20 22.0x1.2 0.626

25 28.0x1.2 0.806

32 35.0x1.2 1.260

40 42.0x1.5 1.523

50 54.0x1.5 1.974

65 76.1x2.0 3.715

80 89.9x2.0 4.357

100 108.0x2.0 5.315

SprinklerSystemsInstallationGuideComponents

2.3 GeberitMapress CarbonSteelTheGeberitMapresspressfittingsystemmadeofcarbon

steel,isLPCBapprovedforuseinwetsprinklersystems

totheLPCRulesforAutomaticSprinklerInstallations.

2.3.1 GeberitMapressCarbon Steelpressfittings, galvanisedTheGeberitMapressCarbonSteelpressfittingsaremade

ofnon-alloysteel,materialno.1.0034,inaccordancewith

DINEN10305.Theyaregalvanicallyzinc-platedwitha

protectivelayer(Fe/Zn8B,bluechromated)thatisatleast

8μmthick.Furthermore,GeberitMapressCarbonSteel

pressfittingsleakifunpressedandaremarkedwithared

pressingindicator.Theybearthemanufacturercodeas

wellastheLPCB,VdSandFMCertificationmarks(onthe

packaginglabel).

2.3.2 GeberitMapressCarbonSteelsystempipesinternally/externally

galvanisedTheGeberitMapresssystempipemadeofnon-alloysteel,

materialno.1.0215,isathin-walled,weldedand

internally/externallygalvanisedprecisionsteelpipethat

alsomeetstherequirementsoftheGeberitMapress

factorystandardconcerningdimensionalaccuracyand

surfacequality.Thesepipesaremanufacturedfrommetal

stripsgalvanisedonbothsides.

Thethicknessofthezinclayerontheinternalaswellas

theexternalsurfaceis15–27μm[zinc275g/m2].

Theappliedzincplatingprocessproducesasmooth,

high-densityzinclayer,freeofmicroscopicgapsand

cavitiesforevenbetteranti-corrosionproperties.

Theweldingseamontheoutsideofthepipeis

subsequentlygalvanised.Thepipesaremarked,among

otherthings,withthemanufacturercodeaswellas

withtheLPCB,FMandVdSCertificationmarks(onthe

packaginglabel).Thethin-walledpipesandpressfittings

leadtoaweightreductionofabout50%comparedto

conventionalstandardpipework.

Table2:Pipedimensionsinnon-alloysteel,internally/externallygalvanised

2.4 GeberitMapress pressingtoolsDependingonthediameterandworkingpressureofthe

installation,theGeberitMapresspipejointsaremade

usingdifferentGeberitMapresspressingtools(seetable3

formoredetails).

Ø=outsidediameter

s=wallthickness

5

Size(mm)

DN Øxs(mm) Weight(kg/m)

20 22.0x1.2 0.758

25 28.0x1.2 0.980

32 35.0x1.2 1.239

40 42.0x1.5 1.498

50 54.0x1.5 1.942

65 76.1x2.0 3.655

80 89.9x2.0 4.286

100 108.0x2.0 5.228

SprinklerSystemsInstallationGuideApplicationsandplanningguidelines

GeberitMapressCarbonSteelpressfittingswiththe

standardblackbutylrubbersealring(CIIR)inconjunction

withtheinternally/externallygalvanisedsystempipeare

LPCBapprovedforuseinaccordancewiththeLPCRules

forAutomaticSprinklerInstallationsinwetsystemswith

pressures12to16bar,dependingonthedimensionsand

pressfittingtoolused(seeTable3).ForafulllistofLPCB

approvedGeberitproducts,pleasereferto

www.redbooklive.comorseeTables4-5.

Table3:InstallationinaccordancewithLPCBapproval

6

Table4:LPCBapprovedGeberitMapressStainlessSteelSprinklerPipeworkSystemComponents

Description Size/mm

Pipe 22,28,35,42,54,76.1,88.9,108

Coupling 22,28,35,42,54,76.1,88.9,108

SlipCoupling 22,28,35,42,54,76.1,88.9,108

Bend90° 22,28,35,42,54,76.1,88.9,108

Bend90°withplainend 22,28,35,42,54,76.1,88.9,108

Bend45° 22,28,35,42,54,76.1,88.9,108


Reducerwithplainend 28x22,35x22,35x28,42x28,42x35,

54x35,54x42,76.1x54,88.9x54

88.9x76.1,108x76.1,108x88.9

T-pieceequal 22,28,35,42,54,76.1,88.9,108

3 Applicationsand planningguidelinesTheseinstallationinstructionsapplytoGeberitMapress

pressfittingsystemsmadeofstainlesssteelandnon-alloy

steelgalvanisedinaccordancewithLPCRulesforAutomatic

SprinklerInstallationsincorporatingBSEN12845.

FordetailsregardingtheinstallationofGeberitMapressfor

sprinklersystemsinaccordancetoVdSandFMapproval,

pleasecontactGeberitdirectly.

Toassistyouwiththeplanning,youcandownloadCAD

dataforthepressfittingsindxfordwgformatfromthe

ServicesectionoftheGeberithomepage.

3.1 Installationinaccordance withLPCBGeberitMapressStainlessSteelpressfittingsandsystem

pipesareLPCBapprovedforuseinaccordancewiththe

LPCRulesforAutomaticSprinklerInstallations.

Theapprovalcoverswetsystemsatoperatingpressures

uptoeither12or16bar,dependingonthedimensions

andpressfittingtoolused(seeTable3)inconjunctionwith

theblackbutylrubbersealring(CIIR).

WorkingPressure(bar)

1216

Ø(mm)

Tool HCPS ECO301 HCPS ECO301

22 XY XY

28 XY XY

35* XY XY

42 XY XY

54 XY XY

76.1 XY XY X

88.9 XY XY X

108 XY

X=stainlesssteelY=carbonsteel

*35mmpressingcollartobeusedarticleno:90538


Table4:Continued

LPCBapprovallistingnotes

1.TheaboveGeberitPress-fitpipeworkandfittingsaretobeinstalledusingtheECO301andHCPSpressingtoolsonly,inaccordancewiththeGeberitInstallationInstructions.Thesetoolsshallbeservicedandmaintainedinaccordancewithmanufacturers’statedguidelines.

2. GeberitPress-fitpipeworkandfittingsmayonlybeinstalledbyLPCBapprovedorregisteredcontractorswhohaveundergoneadequatetrainingbythemanufacturer.3. GeberitPress-fitpipeworkandfittingsshallbeinstalledinaccordancewiththeGeberitInstallationInstructions,Issue1.July20114. GeberitPress-fitpipeworkandfittingsshallbeinstalledandmaintainedinconformancewiththeLPCRulesforAutomaticSprinklerInstallations.5. TheuseofGeberitPress-fitpipeworkandfittingsshallberecordedonLPS1048certificatesofconformity.6.WhereaGeberitReducerisinstalled,apipehangershallbeusedadjacenttothereduceronthelargerpipe.7.WhereGeberitsystempipeworkisconnectedtosprinklersinsuspendedceilingsusingflexibledrops,onlyLPCBApprovedflexibledropsshallbeused.8. GeberitPress-fitpipeworkandfittingsarenotcompatiblewithlightweightpipingsystemsfromothermanufacturers.

7

Description Size/mm

T-piecereduced 28x22x28,35x22x35,35x28x35,42x22x42

42x28x42,42x35x42,54x22x54,54x28x54

54x35x54,54x42x54,76.1x22x76.1,76.1x28x76.1

76.1x35x76.1,76.1x42x76.1,76.1x54x76.1,88.9x22x88.9

88.9x28x88.9,88.9x35x88.9,88.9x42x88.9,88.9x54x88.9

88.9x76.1x88.9,108x22x108,108x28x108,108x35x108

108x42x108,108x54x108,108x76.1x108,108x88.9x108

T-piecewithfemalethread 22x½”x22,22x¾”x22,28x½”x28,28x¾”x28,

28x1”x28,35x½”x35,35x¾”x35,42x½”x42

42x¾”x42,54x½”x54,54x¾”x54,54x2”x54

76.1x¾”x76.1,76.1x2”x76.1,88.9x¾”x88.9,88.9x2”x88.9

108x¾”x108,108x2”x108

Adaptorwithmalethread 22x½”,22x¾”,22x1”,28x¾”,28x1”,28x1¼”,

35x1”,35x1¼”,35x1½”,42x1¼”,42x1½”

54x1½”,54x2”,76.1x2½”,88.9x3”

Adaptorwithfemalethread 22x½”,22x¾”,22x1”,28x½”,28x¾”,28x1”

28x1¼”,35x1”

35x1¼”,35x1½”,42x1¼”,

42x1½”

54x1½”,54x2”

Adaptorwithbrassunionnut 22x1”,22x1¼”,22x1½”,28x1”,28x1¼”

28x1½”,35x1½”,42x1¾”,54x2³/8”,76.1x3”,88.9x3½”

Adaptorwithstainlesssteelunionnut 22x1”,28x1½”

Adaptorunionwithmalethread,nutmadeofstainlesssteel 22x½”,22x¾”,22x1”,28x½”,28x¾”,28x1”

35x1¼”,42x1½”,54x2”

Adaptorunionwithmalethread,nutmadeofbrass 22x½”,22x¾”,22x1”,28x1”,35x1¼”,42x1½”

54x2”

Adaptorunionwithfemalethread,nutmadeofbrass 22x¾”,22x1”,28x1”,35x1¼”,42x1½”,54x2”

Adaptorunionwithfemalethread,nutmadeofstainlesssteel 22x¾”,22x1”,28x1”,35x1¼”,42x1½”,54x2”

Elbowadaptor90°withmalethread 22x¾”,28x1”,35x1¼”,42x1½”,54x2”

Elbowadaptor90°withfemalethread 22x¾”,28x1”,35x1¼

Straightunionwithpressfittingsonbothends 22,28,35,42,54

FlangePN10/16withpressingsocket 22,28,35,42,54,76.1,88.9,108

Cap 22,28,35,42,54

lanja

Text Box

August 2011

Table5:LPCBapprovedGeberitMapressCarbonSteelinternally/externallygalvanised

SprinklerPipeworkSystemComponents


8

Description Size/mm

Pipe 22,28,35,42,54,76.1,88.9,108

Coupling 22,28,35,42,54,76.1,88.9,108

SlipCoupling 22,28,35,42,54,76.1,88.9,108

Bend90° 22,28,35,42,54,76.1,88.9,108


Bend45° 22,28,35,42,54,76.1,88.9,108


Reducerwithplainend 28x22,35x22,35x28,42x28,42x35,

54x35,54x42,76.1x54,88.9x54

88.9x76.1,108x76.1,108x88.9

T-pieceequal 22,28,35,42,54,76.1,88.9,108

T-piecereduced 28x22x28,35x22x35,35x28x35,42x22x42

42x28x42,42x35x42,54x22x54,54x28x54

54x35x54,54x42x54,76.1x22x76.1,76.1x28x76.1

76.1x35x76.1,76.1x42x76.1,76.1x54x76.1,88.9x22x88.9

88.9x28x88.9,88.9x35x88.9,88.9x42x88.9,88.9x54x88.9

88.9x76.1x88.9,108x22x108,108x28x108,108x35x108

108x42x108,108x54x108,108x76.1x108,108x88.9x108

T-piecewithfemalethread 22x½”x22,22x¾”x22,28x½”x28,28x¾”x28,

28x1”x28,35x½”x35,35x¾”x35,42x½”x42

42x¾”x42,54x½”x54,54x¾”x54,54x2”x54

76.1x¾”x76.1,76.1x2”x76.1,88.9x¾”x88.9,88.9x2”x88.9

108x¾”x108,108x2”x108

Adaptorwithmalethread 22x½”,22x¾”,22x1”,28x¾”,28x1”,28x1¼”,

35x1”,35x1¼”,35x1½”,42x1¼”,42x1½”

54x1½”,54x2”,76.1x2½”,88.9x3”

Adaptorwithfemalethread 22x¾”,28x½”,28x1”

Adaptorwithplainandweldingend 15,18,22,28,35,42,54

Adaptorforgroovesystems 54

Adaptorwithbrassunionnut 22x1”,22x1¼”,22x1½”,28x1”,28x1¼”

28x1½”,35x1½”,35x2”,42x1¾”,42x2”,42x2¼”,

42x2³/8”,42x2½”,54x2½”,54x2¾”

Adaptorunionwithmalethread 22x¾”,28x1”,35x1¼”,42x1½”

54x2”

Adaptorunionwithfemalethread,nutmadeofstainlesssteel 22x¾”,22x1”,28x1”,35x1¼”,42x1½”,54x2”

Elbowadaptor90°withmalethread 22x¾”

Elbowadaptor90°withfemalethread 28x½”

Bendadaptor90°withfemalethread 22x¾”,28x½”


LPCBapprovallistingnotes1. TheaboveGeberitPress-fitpipeworkandfittingsaretobeinstalledusingtheECO301andHCPSpressingtoolsonly,inaccordancewiththeGeberitInstallation

Instructions.Thesetoolsshallbeservicedandmaintainedinaccordancewithmanufacturers’statedguidelines.

2. GeberitPress-fitpipeworkandfittingsmayonlybeinstalledbyLPCBapprovedorregisteredcontractorswhohaveundergoneadequatetrainingbythemanufacturer.3. GeberitPress-fitpipeworkandfittingsshallbeinstalledinaccordancewiththeGeberitInstallationInstructions,Issue1.August 20114. GeberitPress-fitpipeworkandfittingsshallbeinstalledandmaintainedinconformancewiththeLPCRulesforAutomaticSprinklerInstallations.5. TheuseofGeberitPress-fitpipeworkandfittingsshallberecordedonLPS1048certificatesofconformity.6. WhereaGeberitReducerisinstalled,apipehangershallbeusedadjacenttothereduceronthelargerpipe.7. WhereGeberitsystempipeworkisconnectedtosprinklersinsuspendedceilingsusingflexibledrops,onlyLPCBApprovedflexibledropsshallbeused.8. GeberitPress-fitpipeworkandfittingsarenotcompatiblewithlightweightpipingsystemsfromothermanufacturers.

9

Table5:

Continued

Description Size/mm

Straightunionwithpressfittingsonbothends 22,28,35,42,54

FlangePN10/16withpressingsocket 76.1,88.9,108

Cap 22,28,35,42,54

3.2 SystemlayoutGeberitMapressissuitableforuseineachelementofan

automaticsprinklersystem.SeeFigure3.

3.3 HazardclassificationsGeberitMapressisapprovedforuseinhazard

classificationuptoandincludingOH3asdefinedin

LPCrulesforautomaticsprinklerinstallationsandin

accordancewiththeLPCBapproval.

3.4 Connectionstomainswater

GeberitMapressStainlessSteelholdsWRASapproval

andthereforecanbeconnectedtowatersupply.

GeberitMapressCarbonSteelisnotWRASapproved.

Whenusingnon-WRASapprovedcomponentsinsystems

connectedtotownmainwatersupplies,WRASapproved

backflowpreventersmustbeused.

81

2

3

9

57

6

4

Key

1 Sprinklerhead

2 Riser

3 Distributionpipespur

4 Armpipe

5 Maindistributionpipe

6 Controlvalveset

7 Riser

8 Rangepipes

9 Drop

Figure 3: main elements of a sprinkler system


3.5 PipesupportsPipesupportsmustbefixeddirectlytothebuilding

or,ifnecessary,tomachines,storageracksorother

structures.Theymustnotbeusedtosupportanyother

installations.Theymustbeoftheadjustabletypeinorder

tosecureanevenload-bearingcapability.Supportsmust

completelysurroundthepipeandshouldnotbewelded

tothepipeorfittings.

Distributionpipesandrisersmusthaveasuitablenumber

offixedpointstotakeaccountofaxialforces.

Nopartofanysupportmustbemadeofcombustible

material.Nailsmustnotbeused.

Nospecialpipesupportbracketsarerequiredforthe

GeberitMapresspressfittingsystem.Anyappropriately

sizedcommerciallyavailablebracketscanbeused.For

maximumGeberitMapressbracketspacingdistances,

seeTable6.

Table6:Bracketdistancesinaccordance

withLPCBapproval

3.6 Calculationofpressurelossesinpipework

Frictionalpressurelossinpipesshallbefullyhydraulically

calculated.TheHazen-Williamsformulashouldbeused:

Where:

p-isthepressurelossinthepipe,inbar;

Q-istheflowthroughthepipe,inlitresperminute;

d-isthemeaninternaldiameterofthepipe,inmillimetres;

C-isaconstantforthetypeandconditionofthepipe;

L-istheequivalentlengthofpipeandfittings,inmetres.

ThevaluesofCtobeusedinsprinklerinstallationfor

GeberitMapressare:

StainlessSteel-140

CarbonSteel-120

Thedistancefromanyterminalsprinklertoasupport

shallnotexceed:

• 0.9mforDN25diameterpiping

• 1.2mforpipingexceedingDN25diameter.

Thedistanceforanyuprightsprinklertoasupportshall

notbelessthan0.15m.

Verticalpipesshallhaveadditionalsupportsinthe

followingcases:

• Pipesmorethan2mlong

• Pipesmorethan1mlongfeedingsinglesprinklers.

10

p=6.05x105

C1.85xd4.87LQ1.85

Pipedimension Bracketdistance

DN Øxs(mm) (m)

20 22x1.2 2.5

25 28x1.2 2.5

32 35x1.5 2.5

40 42x1.5 3

50 54x1.5 3

65 76.1x2.0 3

80 88.9x2.0 3

100 108x2.0 3.5


3.6.1 Equivalentpipelengths

11

Table7:Equivalentpipelength–MapressØ12-22mm

(continuedoverleaf)

Designation DimensionsØxs(mm) 12x1.0 15x1.0 18x1.0 22x1.0

Bend90° 0.7 0.267 0.370 0.479 0.630

Elbowadaptor90° 1.5 0.572 0.793 1.026 1.351

Pipebridge 0.5 0.191 0.264 0.342 0.450

Bend45° 0.5 0.191 0.264 0.342 0.450

Reducer 0.2 — 0.106 0.137 0.180

Sleeve/Adaptor 0.1 0.038 0.053 0.068 0.090

T-piece(flowseparation) 1.3 0.496 0.688 0.889 1.171

T-piece(flowintegration) 0.9 0.343 0.476 0.616 0.811

T-piece(through-flow) 0.3 0.114 0.159 0.205 0.270

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V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

Pressfitting LossCoefficient


12

Table7:Continued


T-piece(through-flow 0.2 0.076 0.106 0.137 0.180forflowseparation)

T-piece(counterflow 3.0 1.145 1.587 2.052 2.702forflowintegration)

T-piece(counterflow 1.5 0.572 0.793 1.026 1.351forflowseparation)

Cross-piece30° 0.2 — — 0.137 0.180(through-flow)

Pipecross30° 1.3 — — 0.889 1.171(flowseparation)

Pipecross30° 0.9 — — 0.616 0.811(flowintegration)

Pipecross90° 0.2 — 0.106 0.137 0.180(through-flow)

Pipecross90° 1.7 — 0.899 1.163 1.531(flowseparation)

Pipecross90° 1.3 — 0.688 0.889 1.171(flowintegration)

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

V

Pressfitting LossCoefficient


13

Table8:Equivalentpipelength–MapressØ28-54mm


Bend90° 0.7 0.829 1.121 1.427 1.975

Elbowadaptor90° 1.5 1.777 2.403 3.057 4.232

Pipebridge 0.5 0.592 — — —

Bend45° 0.5 0.592 0.801 1.019 1.411

Reducer 0.2 0.237 0.320 0.408 0.564

Sleeve/Adaptor 0.1 0.118 0.160 0.204 0.282

T-piece 1.3 1.540 2.082 2.649 3.668(flowseparation)

T-piece 0.9 1.066 1.442 1.834 2.539(flowintegration)

T-piece(through-flow 0.3 0.355 0.481 0.611 0.846forflowintegration)




LossCoefficient

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

Pressfitting


14

Table9:Equivalentpipelength–MapressØ66.7-108mm

Designation DimensionsØxs(mm) 66.7x1.2 76.1x2.0 88.9x2.0 108x2.5

Bend90° 0.7 2.620 3.008 3.660 4.614

Elbowadaptor90° 1.5 5.615 6.445 7.843 9.886

Pipebridge 0.5 — — — —

Bend45° 0.5 1.872 2.148 2.614 3.295

Reducer 0.2 0.749 0.859 1.046 1.318

Sleeve/Adaptor 0.1 0.374 0.430 0.523 0.659

T-piece(flowseparation) 1.3 4.866 5.586 6.797 8.568

T-piece(flowintegration) 0.9 3.369 3.867 4.706 5.932

T-piece(through-flow 0.3 1.123 1.289 1.569 1.977forflowintegration)




LossCoefficient

Pressfitting

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V

54

V

V

V

V

V

V


15

3.7 ExpansioncompensationPipesexpanddifferentlyduetothermaleffects

dependingontheproductmaterial.Thisshouldbe

consideredwhen:

• Creatingexpansionspace

• Installingexpansioncompensations

• Positioningfixedpointsandslidingpoints

Thebendingandtorsionalstressoccurringduring

theoperationofapipearereliablyabsorbed,takingthe

expansioncompensationintoaccount.

Thefollowingaffecttheexpansioncompensation:

• Material

• Buildingconditions

• Operatingconditions.

Slightchangesinthelengthofpipescanbe

accommodatedbytheelasticityofthepipenetwork.

Expansioncompensatorsusedare:

• Pipeleg

• Ubend.

Thefollowingshowtheprincipleassemblyofthepipeleg

andUbend.

Figure 4: Expansion compensation by pipe leg

BS: Bendingleg

F: Fixedpoint

GL: Slidingpoint

L: Pipelength

L1BS2

GLGLF GL

GL

F

L2

BS1

Figure 5: Expansion compensation by U bends

BS: Bendingleg

F: Fixedpoint

L: Pipelength

L1 L2

BSF F


16

Materialofpipe Systempipe Coefficientofthermal MaterialConstant

expansionα(mm/m.K) C U

Cr-Ni-Mosteelmaterial MapressStainlessSteel 0.0165 60 34

no.1.4401(BS316)

Table10:MaterialdependentparametersforcalculatingthebendingleglengthofMapressStainlessSteel

3.7.1 CalculatingexpansioninMapressStainlessSteelTheexpansionofpipesalsodependsonthetypeofproductmaterial.Materialdependentsettingsmustbeconsidered

whencalculatingthelengthofthebendingleg.ThefollowingtableliststheparametersforMapressStainlessSteel.

Required:

• ChangeinlengthΔlofthepipe(mm).

Solution:

Δl=L·α·ΔTm·mm·K=m m·K

Δl=5m·0.0165mm·50K

(m·K)

Δl=4.1mm

Thecalculationofthebendingleglengthcomprisesof

thefollowingsteps:

• CalculationofthechangeinlengthΔl

• Calculationofthebendingleglength.

Thefollowingsectionshowsexamplevaluesfor

calculatingthebendingleglengthLBandLUfor

MapressStainlessSteel.

CalculationofthechangeinlengthΔl

Thechangeinlengthisdeterminedwiththefollowing

formula:

Δl=L·α·ΔT

Δl: Changeinlength[m]

L: Pipelength[m]

ΔT: Temperaturedifferential(operatingtemperature–

ambienttemperatureattimeofinstallation)[K]

Α: Coefficientofthermalexpansionmm/[m·K]

Given:

• Material:Cr-Ni-Mosteelmaterialno.1.4401(BS316)

• α=0.0165mm/[m·K]

• L=5[m]

• ΔT=50[K]


17

Calculationofthebendingleglength:StainlessSteel

Thecalculationofthebendingleglengthdependsonthe

typeofbendingleg:

• Expansioncompensationthroughpipeleg/forbranch

pipe:CalculationofthebendingleglengthLB• ExpansioncompensationbyUbends:Calculationof

thebendingleglengthLU

CalculationofthebendingleglengthLB

ThebendingleglengthLWtobecalculatedisdefinedas

followswithexpansioncompensationthroughpipelegs

andforbranchpipes:

Figure 6: Expansion compensation by pipe leg

F: Fixedpoint

GL: Slidingpoint

LB: Lengthofthebendingleg

Figure 7: Expansion compensation for branching pipe

F: Fixedpoint

GL: Slidingpoint


Table11:ChangeinlengthΔl(mm)forMapressStainlessSteelsystempipe

∆I

LB

GL

F

F GL

GL

∆I

∆I

LB

GL

GL

PipelengthTemperaturedifferentialΔT(K)

10 20 30 40 50 60 70 80 90 100

1 0.17 0.33 0.50 0.66 0.83 0.99 1.16 1.32 1.49 1.65

2 0.33 0.66 0.99 1.32 1.65 1.98 2.31 2.64 2.97 3.30

3 0.50 0.99 1.49 1.98 2.48 2.97 3.47 3.96 4.46 4.95

4 0.66 1.32 1.98 2.64 3.30 3.96 4.62 5.28 5.94 6.60

5 0.83 1.65 2.48 3.30 4.13 4.95 5.78 6.60 7.43 8.25

6 0.99 1.98 2.97 3.96 4.95 5.94 6.93 7.92 8.91 9.90

7 1.16 2.31 3.47 4.62 5.78 6.93 8.09 9.24 10.40 11.55

8 1.32 2.64 3.96 5.28 6.60 7.92 9.24 10.56 11.88 13.20

9 1.49 2.97 4.46 5.94 7.43 8.91 10.40 11.88 13.37 14.85

10 1.65 3.30 4.95 6.60 8.25 9.90 11.55 13.20 14.85 16.50

L(m)


18

ThebendingleglengthLBisdeterminedwiththe

followingformula:

LB=C·√d·Δl

LB: Lengthofthebendingleg[m]

d: Outsidepipediameter[mm]


C: Materialconstant(refertoTable10“Material

dependantparametersforcalculatingthebending

leglengthofMapressStainlessSteel”onpage16).

L: Pipelength[m]

Given:


• C=60

• d=54mm

• Δl=0.030m

Required:

• LB(m)

Solution:

LB=C·√d·Δl[√m·m=m]

LB=60·√0.054·0.030

LB=2.41m

CalculationofthebendingleglengthLU

ThebendingleglengthLUtobecalculatedisdefined

withthefollowingformula:

Figure 8: U bend expansion compensation from bent

pipe

F: Fixedpoint

GL: Slidingpoint

LU: Lengthofthebendingleg

d 22

d 42

d 54

d 76.1

d 88.9

d 108

d 15d 12

d 18

d 28

d 35

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

4.50

5.00

L B [m

]

20 40 60 80 10010 30 50 70 90

∆I [mm]

Figure 9: Determination of the bending leg length LB for Mapress Stainless Steel

∆I 2

Lu

GL GL

∆I 2

~ Lu 2

F F


19

Figure 10: U bend expansion compensation

with pressfittings

F:Fixedpoint

GL:Slidingpoint

LU:Lengthofthebendingleg

ThebendinglegLUisdeterminedwiththefollowing

formula:

LU=U·√d·Δl

LU: Lengthofthebendingleg[m]

D: Outsidepipediameter[mm]


U: Materialconstant(refertoTable10“Material


leglengthofMapressStainlessSteel”onpage16).

L: Pipelength[m]

~ Lu 2

∆I2

Lu

∆I2

30 d

GL GLF F

d 12

d 22

d 42

d 54

d 76.1

d 88.9

d 108

d 15d 18

d 28

d 35

0.00

0.50

1.00

1.50

2.00

2.50

L U [m

]

20 40 60 80 10010 30 50 70 90

∆I [mm]

3 00.

Figure 11: Determination of the bending leg length LU for Mapress Stainless Steel

Given:


• U=34

• d=54mm

• Δl=0.030m

Required:

• LU[m]

Solution:

LU=U·√d·Δl[√m·m=m]

LU=34·√0.054·0.030

LU=1.37m


20

3.7.2 CalculatingexpansioninMapressCarbonSteel

Solution:

Δl=L·α·ΔTm·mm·K=m

m·K

Δl=35m·0.012mm·50K

(m·K)

Δl=21mm

Table12:MaterialdependentparametersforcalculatingthebendingleglengthofMapressCarbonSteel

Theexpansionofpipesalsodepends,amongstothers,onthetypeofproductmaterial.Materialdependent

parametersmustbeconsideredwhencalculatingthelengthofthebendingleg.Thefollowingtableliststheparameters

forMapressCarbonSteel.

Thecalculationofthebendingleglengthcomprisesof

thefollowingsteps:

• CalculationofthechangeinlengthΔl

• CalculationofthebendingleglengthLB

Thefollowingsectionshowsexamplevaluesfor

calculatingthebendingleglengthLWandLUfor

MapressCarbonSteel.

CalculationofthechangeinlengthΔl

Thechangeinlengthisdeterminedwiththefollowing

formula:

Δl=L·α·ΔT


L: Pipelength[m]

ΔT: Temperaturedifferential(operatingtemperature–

ambienttemperatureattimeofinstallation)[K]

α: Coefficientofthermalexpansionmm/[m·K]

Given:

• Material:Non-alloysteelmaterialno.1.0034

• α=0.0120m/[m·K]

• L=35[m]

• ΔT=50[K]

Required:

• ChangeinlengthΔlofthepipe[mm]

Materialofpipe Systempipe Coefficientofthermal MaterialConstant

expansionα(mm/m.K) C U

Non-alloysteel, MapressCarbonSteel 0.012 4525

materialno.1.0215


21

Calculationofthebendingleglength:CarbonSteel

Thecalculationofthebendingleglengthdependsonthe

typeofbendingleg:

• Expansioncompensationthroughpipeleg/forbranch

pipe:CalculationofthebendingleglengthLB• ExpansioncompensationbyUbends:Calculationof

thebendingleglengthLU

CalculationofthebendingleglengthLB

ThebendingleglengthLBtobecalculatedisdefinedas

followswithexpansioncompensationthroughpipelegs

andforbranchpipes:

Figure12:Expansioncompensationbypipeleg

F: Fixedpoint

GL: Slidingpoint


Figure13:Expansioncompensationforbranchingpipe

F: Fixedpoint

GL: Slidingpoint


PipelengthTemperaturedifferentialΔT(K)

10 20 30 40 50 60 70 80 90 100

1 0.12 0.24 0.36 0.48 0.60 0.72 0.84 0.96 1.08 1.20

2 0.24 0.48 0.72 0.96 1.20 1.44 1.68 1.92 2.16 2.40

3 0.36 0.72 1.08 1.44 1.80 2.16 2.52 2.88 3.24 3.60

4 0.48 0.96 1.44 1.92 2.40 2.88 3.36 3.84 4.32 4.80

5 0.60 1.20 1.80 2.40 3.00 3.60 4.20 4.80 5.40 6.00

6 0.72 1.44 2.16 2.88 3.60 4.32 5.04 5.76 6.48 7.20

7 0.84 1.68 2.52 3.36 4.20 5.04 5.88 6.72 7.56 8.40

8 0.96 1.92 2.88 3.84 4.80 5.76 6.72 7.68 8.64 9.60

9 1.08 2.16 3.24 4.32 5.40 6.48 7.56 8.64 9.72 10.80

10 1.20 2.40 3.60 4.80 6.00 7.20 8.40 9.60 10.80 12.00

Table13:ChangeinlengthΔl(mm)forMapressCarbonSteelsystempipe

∆I

LB

GL

F

F GL

GL

∆I

∆I

LB

GL

GL

L(m)


22

ThebendingleglengthLBisdeterminedwiththe

followingformula:

LB=C·√d·Δl

LB: Lengthofthebendingleg[m]

d: Outsidepipediameter[mm]


C: Materialconstant(refertoTable12“Material

dependentparametersforcalculatingthebending

leglengthofMapressCarbonSteel”onpage20).

L: Pipelength[m]

Given:


• C=45

• d=54[mm]

• Δl=0.021[m]

Required:

• LB[m]

Solution:

LB=C·√d·Δl[√m·m=m]

LB=45·√0.054·0.021

LB=1.52m

CalculationofthebendingleglengthLU

ThebendingleglengthLUtobecalculatedisdefined

withthefollowingformula:

Figure 14: U bend expansion compensation

from bent pipe

F: Fixedpoint

GL: Slidingpoint


20 40 60 80 10010 30 50 70 90

∆I [mm]

d 12

d 22

d 42

d 54

d 76.1

d 88.9

d 108

d 15d 18

d 28

d 35

L B [m

]

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

4.50

5.00

Figure 15: Determination of the bending leg length LB for Mapress Carbon Steel

∆I 2

Lu

GL GL

∆I 2

~ Lu 2

F F


23

Figure 16: U bend expansion compensation with

pressfittings

F: Fixedpoint

GL: Slidingpoint


ThebendinglegLUisdeterminedwiththefollowing

formula:

LU=U·√d·Δl

LU: Lengthofthebendingleg(m)

D: Outsidepipediameter(mm)

Δl: Changeinlength(m)

U: Materialconstant(refertoTable12“Material


leglengthofMapressCarbonSteel”onpage20).

L: Pipelength(m)

~ Lu 2

∆I2

Lu

∆I2

30 d

GL GLF F

d 12

d 22

d 42

d 54

d 76.1

d 88.9

d 108

d 15d 18

d 28

d 35

0.00

0.50

1.00

1.50

2.00

2.50

L U [m

]

20 40 60 80 10010 30 50 70 90

∆I [mm]

3 00.

Figure 17: Determination of the bending leg length LU for Mapress Carbon Steel

Given:


• U=25

• d=54mm

• Δl=0.021m

Required:

• LU(m)

Solution:

LU=U·√d·Δl[√m·m=m]

LU=34·√0.054·0.021

LU=0.84m


24

3.8 LayingtechniquesTherearedifferenttypesofpipelaying:

• Onthewall

• Ininstallationducts

• Concealed

• Undercastfloors

• Intheground

• Inceilings

Thereisroomforexpansiononthewallorin

installationducts.Whenpipesareconcealeditmustbe

ensuredthattheyaresurroundedbyanelasticpadding

layeroffibreinsulationmaterial,suchasglasswool

orrockwool,orinclosed-cellfoam.Thisalsomeets

acousticinsulationrequirements.

Pipesinstalledundercastfloorsshallbefittedinthe

impactinsulationlayerandcanexpandfreely.The

verticalpipeexitsfromthefloorshouldbepaidparticular

attention.Branchesintheareaofthescreededfloormust

befittedwithanelasticsleeve.Thesameappliesforpipe

openingsinwallsandceilings,wherepaddingensures

freedomofmovementinalldirections.

Thepaddingand/orelasticsleeveshouldhavethesame

fireresistanceasthevoidthroughwhichitispassingin

ordertopreventapotentialfirefromspreading.

3.9 WallpenetrationsWhereitisnecessaryfortheproducttopassthrougha

fireratedwall,partitionorotherdivideritisessentialthat

firestoppingofthefireratedwall,partitionorotherdivider

ispreserved.Useanappropriatefirestoppingproductat

thepenetrationifnecessary.

1

Figure 18: Concealed pipe

1 Elasticpadding

Figure 19: Pipe under cast plaster floor

1 Solidceiling

2 Insulationlayer

3 Castfloor

4 Elasticsleeve

5 Cover

Figure 20: Pipe under ceiling openings

1 Elasticpadding

2 Ceiling

4

3 5

21

21

21

SprinklerSystemsInstallationGuideInstallation

25

4 Installation

4.1 ToolingThefollowingtoolingcombinationsshouldbeusedforinstallingGeberitMapressforfireprotectionsystems.

4.2 TransportandstorageDonotallowGeberitMapresssystempipesand

pressfittingstogetdirtyordamagedintransitorstorage.

Pipesneedtobestoredinsideinadrylocation.

4.3 MakingaMapress pressconnectionAMapresspressconnectionismadeasfollows:

• Preparethepipeandfittingforthepressingoperation.

• Pushpipeintofittingtocorrectinsertiondepth.

• Optional:WithØ54-108mmfitthemounting

deviceMH1.

• Pressthefitting.

WARNING

Riskofcorrosion

Keepcuttingtoolsanddeburringtoolsfree

fromCarbonSteelchipswhencuttingMapress

StainlessSteel

Donotusehigh-speedcuttingwheelstocut

thepipeorfittingstolength

Onlyusecuttingtoolsthataresuitablefor

workingwithsteel

Leakingpressconnectioncanbecausedby

damagedsealring

Deburrtheoutsideandinsideofthepipeends

completely

Donottiltthepipeintothepressfitting.

Pushthepressfittingontothepipe,turningthe

pipeslightly

Onlyuselubricantswhicharefreefromoil

andgrease

Onlyshortenthefittingswithplainendsupto

themaximumpermissibleshorteningdimensionk,

indicatedintheproductguide.

i

DiametersPressed

22-88.9mm

35/42/54mm=

(ZB302)90668

76.1/88.9mm=

(ZB321)90674

3

3

3

76-108mmHCPS

HCPS

ECO301

ECO301

ECO301

115V/50Hz

230V/50Hz

125v/60Hz

CEE17yellow

BS1363Aplug

MarineNEMAplug

691.312.1P.3

691.310.P5.3

691.312.2P.3

90644(22mm)

90645(28mm)

230V/50Hz

115V/50Hz

BS1363Aplug

CEE17yellow

691.420.P5.1

691.422.1P.1HCPS n/a n/a

35mm=90538

42mm=90539

54mm=90540

76.1mm-=90671

88.9mm=90672

Model Voltage Plugtype ArticleNo.Jawstype

compatability

PressingJaw

(Sizemm)Adaptor

PressingCollar

(Sizemm)

Table14:SuitabletoolingcombinationsforGeberitMapressandFireProtectionsystems

76.1mm=90570

88.9mm=90571

108mm=90572


26

4.4 Preparethepipeand fittingforthepressing operation

1

2

Checkthatthepipeandfittingareclean,undamaged

andfreefromscoringordents.

Determinethepipelength.

3 Cutthepipetothecorrectlength.

1 2

1

2

4 Deburrthepipeends,internallyandexternally.

5 Cleanchipsfromthepipeends.


27

di

E

6a Marktheinsertiondistance.

Insufficientmechanicalstrengthifcorrect

insertion(E)isnotobserved.i

distance

6b Onfittingswithaplainend,marktheinsertion

distanceontheend.

1

2

7 Removetheplugfromthefitting.

di

8 Checkthesealring.


28

E

E

CAUTION

Leakingconnectionduetostress

corrosioncracking.Donotuse

Teflonforsealing

Maketheconnectionwiththethreadedfitting

9 Pushthefittingontothepipeuptothemarked

insertiondistance.

10 Alignthepipe.

Fixthepipeinposition.

Sealinthethreadedconnection.

Insertthethreadedfittingandscrewintoplace,

counterholdingthethreadedfitting.

123

Thefittingcanbepushedinmoreeasilyifoil

andgrease-freelubricantisappliedorthefitting

isimmersedinwaterorsoapywater.

iTheinstallationdimensionsaregiveninthe

operatinginstructionsofthemountingaid.i

Optional:withØ54-108mmfitthemountingaidMH1

• Clampthepipeswiththejawsofthemountingaid.

Pressthefitting

Prerequisites

• Thepipeorpre-assembledelementsarealigned

• Threadedjointsmustbesealedin.

Ensurethatthediameterofthepressfittingmatches

thediameterofthepressingjaworpressingcollar:

Ø12-35mmusepressingjaw,Ø42-108mmuse

pressingcollarandadaptor.

Pressthefitting.

1

2


29

Result

•Themarkoftheinsertiondistanceisvisible.

SprinklerSystemsInstallationGuideCommissioning

30

5 Commissioning

5.1 BendingthesystempipesGeberitMapresssystempipescanbecoldbent.Todo

so,usecommerciallyavailablebendingtools(manually,

hydraulicallyorelectricallyoperated).Itisimportantto

alwaysusethebendingsegmentsfortheparticularouter

diameterofthesystempipes.Thebendingradiusand

thesuitabilityofthebendingtoolisdeterminedbythe

manufacturerofthetool.GeberitMapressrecommends

usingabendingradiusofr=3.5xOD.

5.2 Connections• ConnectingtosprinklerheadsandISO65pipework

InordertoconnectGeberitMapresstoalternative

pipingsystems,accessoriesandsprinklerheads,

threadedadaptorsareavailableundertheLPCBlisting

ofapprovedproducts.

• Threadedjoints

GeberitMapresscomponentscanbecombinedwith

threadedfittingsorsystempipesmadeofnon-ferrous

metal.WhenGeberitMapressStainlessSteeladaptors

areused,onlychloride-freesealantsmaybeemployed.

• Flangeconnections

GeberitMapresscomponentscanbeconnectedto

DINflanges[PN10/16]withflangedadaptors(see

GeberitSupplySystemsProductGuide)

5.3 FlushingthepipesAllmetallicpipingsystemsareatahighriskofcorrosion

whentheyarepartiallyfilled.Werecommendthatthe

pipeisflushedthoroughlypriortocommissioningusing

drinkingwater.

Ifthepipecannotbecompletelydrainedbefore

commissioningandifthepipecannotbeblowndrywith

airafterflushing,thepipemustbeflushedwithfully

desalinatedwater.

5.4 PressureandleaktestAllinstallationpipeworkshallbehydostaticallytestedfor

nolessthan2hours,toapressureofnolessthan15bar,

or1.5timesthemaximumpressuretowhichthesystem

willbesubjected,(bothmeasuredattheinstallation

controlvalves),whicheveristhegreater.

Aninitialtestwithaircanbeperformedifthereistobea

gapbetweenthetestingandcommissioningphase.

Forsafetyreasons,thepressureforthistestshouldnever

exceed3bar.Asecondtestwithwatershouldalwaysbe

carriedoutimmediatelypriortocommissioning.

5.5 Refillingandair-bleeding ofthepipesystemfor commissioningIfthepipesystemwasdrainedcompletelyafter

pressuretesting,thewater-carryingpipesmustbe

thoroughlyair-bledbeforecommissioningandthen

remaincompletelyfull.Thewaterusedtofillthepipes

mustcomplywiththedrinkingwaterdirective2001,

withregardtoitschloridecontent.

5.6 CompatibilityofadditivesWateradditivesaremainlyusedforprovidinganti-freeze

propertiesforwetsprinklersystemsduringthewinter

season.Commonlyusedaremixturesbasedon

anti-freezeagents(ethylene-orpropyleneglycol)in

combinationwithcorrosioninhibitors.Theglycolswill

alwayshaveaninfluenceonthezinclayerontheinsideof

thepipingsystemandcanthereforenotberecommended

foruseinconjunctionwithGeberitMapressCarbonSteel

internally/externallygalvanisedpipe.

GeberitMapressissuitablefortraceheatinginareas

wherelowtemperaturescan’tbeavoided

ForafulllistofcompatibleadditivesforusewithGeberit

MapressStainlessSteelpleaseseeTables15&16.

SprinklerSystemsInstallationGuideCommissioning

31

5.7 Compatiblepaints andcoatingsPrimersandpaintscanbeappliedonMapressCarbon

SteelandMapressStainlessSteelsystems.Fromlongterm

experiencewecanconfirmthattheprimersandpaintswill

havenonegativeeffectonthesealringsinthepressfittings.

5.8 MaintenanceAsprinklersystemshouldberegularlyserviced,maintained

andperiodicallyinspectedsothatitwillworkproperlyinthe

eventofafire.Sprinklersystemshaveanextensiveservice,

maintenanceandinspectionprogrammecoveringthewhole

oftheirdesignlife,includingweekly,monthly,quarterly,

yearly,three-yearly,uptoten-yearlychecksandtests.

Regularserviceandmaintenanceshouldbecarriedoutin

accordancewiththeLPCRules(BSEN12845annexK)

andTechnicalBulletinTB203,byaLPCBcertifiedsprinkler

contractor,forallbutthemonthlyandweeklychecks.

5.9 ServicelifeAnexpectedservicelifeinexcessof30yearscanbe

achieved.

Table15:SuitableantifreezeagentsforGeberitMapressStainlessSteel

ApprovalmustbeobtainedfromGeberitfornon-listedagents.Themanufacturer’sinstructions

forusemustalsobeobserved.

Additive TestConditions Manufacturer1

Concentration(%)

Ethyleneglycol(antifreezebasis) Concentrationforuse,seemanufacturer’sinformation Variousmanufacturers

Propyleneglycol(antifreezebasis) Concentrationforuse,seemanufacturer’sinformation Variousmanufacturers

Table16:TestedandapprovedcorrosionprotectionagentsforGeberitMapressStainlessSteel

Additive TestConditions Manufacturer1

Concentration(%) Temperature(ºC)

CastrolZwiproIII 100 20 Castrol

DiaglossCW4001 3.5 40 SchweitzerChemie,Freiberg/N.

DEWT-NC 0.4 20 DrewAmeroid,Hamburg

Hydrazine Concentrationforuse,seemanufacturer’sinformation Lanxess,Leverkusen

Levoxin64 100 120 Lanxess,Leverkusen

HygelH140 100 20 HydrogelChemie,Werl

Kebocor213 0.5 20 KeboChemie,Düsseldorf

Nalco77382 0.5 20 NalcoDeutschlandGmbH

Sodium 0.07 20 Variousmanufacturersdiethyldithiocarbamate

Sodiumsulphite Concentrationforuse,seemanufacturer’sinformation Variousmanufacturers

P3-ferrolix332 0.5 20 HenkelAG,Düsseldorf

ST-DOSK-375 0.5 20 SchweitzerChemie,Freiberg/N.

ThermodusJTH-L 1 90 Judo,Waiblingen

Tri-sodiumphosphate Concentrationforuse,seemanufacturer’sinformation Variousmanufacturers

VaridosSIS 100 20 SchillingChemie,Freiberg

SprinklerSystemsInstallationGuideSupportServices

32

6 SupportservicesGeberitnotonlyfocusesonreliableandinnovative

productsbutontheservicesthataccompanythem.

Whilstwehopethisguideprovidesyouwitheverything

youneedtoinstallaGeberitfireprotectionsystem,further

assistanceisavailableasoutlinedbelow.Furtherliterature

isalsoavailable,includingtheGeberitSupplySystems

ProductGuideandSupplySystemsInstallationguide,

bycallingourliteraturelineon08000075133orby

downloadingfromourwebsiteatwww.geberit.co.uk

6.1 GeberittechnicalserviceOurteamofdedicatedtechnicalexpertsandsales

managersareonhandtosupportbothatthedesign

stageandon-site.PleasecontacttheGeberittechnical

teamforassistance.

GeberitSalesLtd,

GeberitHouse,

AcademyDrive,

Warwick,

Warwickshire,

CV346QZ.

Freephone:08000778365

Fax:08448006604

Eire:+44(0)1926516800

6.2 TrainingGeberitprovidefullproducttraining,eitheron-siteorat

theGeberitAcademyatourheadquartersinWarwick.

Pleasecontactyourlocalsalesmanagerformoredetails.

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