ITRON 133 Betriebsanleitung Seite 16

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)