Groth 3000 Series - Manual (Page 5)

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Figure 2: Regulator Function - Flowing Condition
OUTLET
INLET
HIGH PRESSURE
BLANKETING GAS
HIGH PRESSURE
BLANKETING GAS
LOW PRESSURE
PROCESS VAPOR
VENT
VENT
SENSE PORT
Figure 3: Regulator Function - Shut-off Condition
OUTLET
INLET
HIGH PRESSURE
BLANKETING GAS
LOW PRESSURE
PROCESS VAPOR
LOW PRESSURE
PROCESS VAPOR
VENT
SENSE PORT