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Safety Instructions and CE Certificate of Conformity:
• T his"Instructionmanual"hastobekeptontheplace,whichcanbeeasyreached .
• T heregulatorhastobeusedonlyfordryandcleangases . Neverusewithoxygen:
riskofexplosion .
• T henationalnormsandstandardsaboutinstallation,start-upandmaintenanceofthedevicesandgas
installationshavetobestrictlyrespected .
• T hehandlingwiththedevicehastobedonecarefully,speciallybytheinstallationworks . Thepickuphas
tobemadebyusingthestretchereyesorbelts .
• T hedeviceshouldbeexaminedbeforetheinstallationforpossibletransportdamagesandbemounted
onlyifitisinperfectstate . Possiblelacquerdamageshouldbeimproved . Thesealingsurfacesofthe
threadedconnectionsorflangesmustbedamage-freeandclean .
• F orreadingoffthedeviceanditsservingaresufficientlyspacetodesignate .
• F ortheprotectionofthedeviceisrecommendabletoinstallafilter .
• T hedeviceistobeinstalledinsuchawaythatitisnotimpairedinitsfunctionbyotherinstallationcom-
ponents .
• T heregulatorhastobemountedinthepipelinewithoutanytension .
• T hementionedbelowtorque'svaluesforscrews(propertyclass5 . 6 )mustberespectedbytightenof
theflangedconnections:
Threadfemale
3⁄4/1"/11⁄2"
DIN2999/ISO7
PN16
80/1 10/140
PS=8bar
ANSII50
80/1 10/140
PS=8bar
• T hese torque's values are mentioned per screw and are valid for metal soft material gaskets
(specified as k0xKD=45bD und k1=2,2bD). Other gaskets can require another torque's values.
• T hescrewsusedfortheflangeconnectionmustbeaccordingtotheflangesizeandmustbeadapted
tothetempératurerangeoftheregulator . Pleasetightenthescrewscrosswise .
• A ftertheinstallationworksarecompleted,thetightnessoftheconnections(threadedorflanged)must
becheckedwithappropriatemeans .
• T heoperatingconditionsindicatedonthenameplatesmustberespected;ifnecessaryappropriatesafety
deviceshavetobedesignated .
• R epairsofthedeviceareallowedtobemadeonlybytrainedorqualifiedpersonal . Afterwardsatightness
testwith1 . 1 XPSmustbeperformed . Whenchangingpressurecontainingpartstheircompliancewith
PEDmustbeassured . AfterguaranteeonlywithrepairbyItron .
• T hedevicehastoberegularlyexaminedforcorrosiondangerintheinteriorandexternalareaandbe
takenfromuseifnoticeablecorrosionisdiscovered .
• T heinternalchambervolumeontheinletsideofregulator233-8/-12,DN40/50is1,0 litres.The
chambervolumeontheoutletsideofregulator233-8,DN40/50is2,5 litresandoftheregulator
233-12,DN40/504,8 litres.
• T hecleaningofthedeviceshastobedonewithoutusinganyalcoholcontainingsolventorcleaning
agents .
• T hedeviceisnotappropriateforfloodsandloadsbyearthquakes .
• T hepressurehastobecompletelydischargedbeforetotakethedevicefromthepipeline . Therestof
gascanwithdraw;thereforetherequiredventilationhastobeinsured .
• T heappropriatemeasuresfornoisereductionhavetobeseizeddependingontheinstallationplaceand
workconditions .
16
Threadmale
11⁄2"DIN2993
140Nm
Nm
140Nm
Nm
Flange
Flange
DN25
DN40
35Nm
85Nm
(M12)
(M16)
55Nm
55Nm
(M14)
(M14)
Flange
DN50
85Nm
(M16)
85Nm
(M16)
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