
Fig.652 Installation & Maintenance Manual
2
Trueline Distribution
20201 Clark Graham, Baie D’Urfé,
H9X 3T5 CANADA
P. : (514) 457-5777 T.F. : (800) 667-4819
F. : (514) 457-1348
General Installation Step:
Thehandlingandtransportingofthevalvesmustbecarriedoutwithextreme
precautionandusingthenecessary&adequatemeansonthebasisoftheirsizeand
weight,avoidinganyriskstothepersonthathandlethem.
1. Valvepressurevariesunderdifferentvalveseries,sizes,applicationtemperature
andthematerialofthemainparts.Pleaseverifytheapplicationwithinthelimits
andasdescribedonthevalvebody.
2. Priortoinstallation,pleasemakesurethevalveisfreefromdirtandother
foreignmaterialsthatcoulddamagethevalveseats,asthesepartsare
fundamentaltothecorrectoperationofthevalve.
3. Itmightbenecessarytoflushtheballvalve,valvecavityandthepipestoremove
theaccumulateddirtandburrs.
4. Valvesshouldbeoperatedforatleasttwocompletecyclesbeforethe
installationtothepipe.Allthemultiportballvalveshaveavisualindicator
engravedonthevalvestem.Makesurethevalveportconfigurationcomplywith
theflowarrangementofthepipe.
5. Useanypipesealantsuitableforthematerialandtheprocessthatthevalveis
installedin.Don’tusethesealanttooexcessivelytoavoidtheobstructionin
valveoperation.
6. Alwaysleaktestthesystembeforeusing.
Installation Step for Screwed End:
1. Keepthevalveinopenposition.
2. Checkthevalvethreadsandthethreadsoftheconnectingpipeandmakesure
thesearefreefromdirt,gritorburrs.
3. Useananti‐seizethreadsealanttosealandpreventgalling.Taperthreaded
fittingsshouldnotbeovertightened.
4. Whentighteningvalve,useawrenchontheendnearesttothepipe.
Installation Step for SW/BW End:
1. Tackweldthevalve(inopenposition)endcapstothepipesatthreepoints.
2. Loosen&separatetheendcapsfromthebody.Removetheseatandsealand
setasideinthecleanandsecuredareaforreassemblylater.
3. Weldcompletelytheendcapstothepipes.Allowenoughtimeforcoolingthe
weldedjoints.Removetheremnantfromtheendcapsandpipes.
4. Putbacktheseatsandreassembletheendcapstothebodyaccordingtothe
BoltTorqueSpecifications.