Transport,installationandstart‐up
 
UsermanualforHONR100gaspressureregulatorwithHONP095NGpilot  38
 
5.5  Startingupthegaspressureregulator
Riskofinjuryposedbyburstingpartsintheeventthattheyaresubjectedtopressurein
thewrongdirection
Thedevicehasbeendesignedforaspecificdirectionofflow,whichislabeledonthedevice.
Subjectingthedevicetopressureinthewrongdirectionmayresultinseriousinjurycaused
byburstingparts.
  Pressurizethesystemonlyontheinletside.
Afterbeinginadepressurizedstate,theadjustmentprocessforthegaspressureregulator
willberelativelysluggish.Duringcommissioning,alwaysmakesuretowaitbetweenthe
individualstepsuntilthedesiredstateisreached.
Thenumbershavethefollowingmeaning:
No. Meaning
1 Inletstopvalvearmature
2 Inletpressuregauge
3 Gaspressureregulator
4 Loadingpressuregauge
5 Blowdownlineshut‐offdevice
6 Outletpressuregauge
7 Outletstopvalvearmature
Makesurethatthefollowingrequirementsaremet:
  Thesystemhasbeenchecked,isfullyfunctional,andhasnoleaks.
  Theinletandoutletshut‐offdevicesforthegasregulatinglinesectionareclosed.
  Theshut‐offdevicesfortheblowdownlinesareclosed.
  Theinletpressureispresentupstreamoftheinletshut‐offdevice.Detailsaboutthe
operatingpressurecanbefoundinthetechnicalspecifications(seepage17).
  Thesystemisdepressurizedbetweentheinletshut‐offdeviceandtheoutletshut‐off
device.
Pressurizedparts
Basicpointers
Gasregulatinglinecom‐
ponents
Requirements