Fig 6-7 Gas valve unit P&I diagram, open type (DAAF085795A)
System components:
Vent valveV04Pressure transmitterP05Gas filterB01
Second block valveV05Pressure transmitterP06Air filter with water drainB02
Gas control valveV06Mass flow meterQ01Inert gas filterB03
Inerting valveV07Temperature transmitterT01Pressure transmitterP01
Shut off valveV08Manual shut off valveV01Local pressure indicatorP02
Shut off valveV09Vent valveV02Pressure transmitterP03
Pressure regulatorV10First block valveV03Pressure transmitterP04
Pipe connections
Gas inletA1
Gas to engineB1
Optional gas to engineB1'
Inert gasB2
Gas ventingD1
Control airX1
DN100
GVU
DN80
GVU
DN50
GVU
Pipe
size
DN100DN80DN50P1
DN100DN80DN40P2
DN80DN50N/AP3
DN80DN50DN40P4
DN100DN80DN65P5
6-16 DBAE248994
Wärtsilä 31DF Product Guide6. Fuel Oil System
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