This valve is used as the following valves in a 7615 pressure controller:
RESERVOIR AIR OPERATED VALVE
SYSTEM AIR OPERATED VALVE
HIGH RANGE AIR OPERATED VALVE
LOW RANGE AIR OPERATED VALVE
See this Article for a schematic with these valves, 7615 Schematic and Drawing for Troubleshooting
Here is the information for the valve.
Part Number: 3915798
Description: 88-1079,VALVE, AIR OPERATED 60KSI ATC W/ANTI VIB NUT
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