ITRON RR 16 Betriebsanleitung Seite 31

Safety shut-off valve 022
Start-up instructions
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2
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Thesequence of start-uptheSSV022istobeobserved!
Ifthesequenceisnotconsidered,thevalvediscarmcontactstheinsideofvalvebodyand
thechamferededgeofvalvediscarm(3)canbedeformed .  
a) P ressurecompensationbyopeningthemanipulationvalve(selfclosing)slowly,uptoclosingpressure
ofregulator .
b) U nscrewcap(8)ofshut-offvalveandpullthevalvestem(2)bytheaidofcap(8),toopentheSSV
(only possible if pd smaller than OPSO and higher than UPSO).
c) H oldthevalvestem(2)forsomeseconds(it'snecessary,thatdiaphragmandleversystemcanbe
lockedintooperatingposition) .
d) U nscrewcapofresetshaftonvalvebody .  Turntheresetshaft(6)indirectionofarrow*)untilvalve
discarm(3)engagesintolatchlever .
e) S crewoncapofresetshaftandvalvestem .
*) F orturningresetshaft(6),themaximumtorquevalueis5 Nmtoengagevalvediscarm(3)intolatchlever .
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Stopper
Controllineconnection
Messleitungsanschluss
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