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3.7 Gas clean process of Pipeline
Isolating Valve
Liquid conduit
Hex wretch
Gas conduit
Connecting
Pipe
Isolating Valve
Maintenance Meatus core
Vacuum Pump
Lid
Liquid Conduit
IsolatingValve
Maintenance Meatus
Hex Wrench
Open
Close
Hex wrench
tu rn o ff m ain ten anc e me at usl id, jus t
li ke i n or igi nal con dit io n
Ne ed n ot c har ge i f le ngt h of
pi pe i s no mor e th an 7 m et res
of the mac hin ce o r ca use som eth ing wro ng
Le aka ge t est
Ch arg e me nsu ra bly i f le ng th of pip e
is mor e th an 7 met res
Tu rn o ff t he l id
me atu s of iso lat ing val ve p rom pt ly
ou tdo or u nit
(n ot c lea n if you do n ot u nla de t he u nit l id )
Us e re fri ger an ge in out do or un it
Us e va cuu m pu mp
ma int ena ce m ea tus o f is ol ati ng v alv e, w hic h is
ab ove the gas pip e si de o f ou tdo or u nit
Ru n va cuu m(v ac uum ize for mor e th an 1 5 min ut es)
ma nif old val ve a nd s top run nin g th e va cuu m pu mp .
3O pen iso lat in g val ve (1/ 4 ci rcl e of val ve c ore
be sid e th e li qui d co ndu it )cl ean for mor e th an 5
se con ds, th en c los e th e va lve
Ga s cl ean
pr ess dow n va le c ore wit h
he x wr etc h
G a s c l e a n
