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PRESSURE SUSTAINING PILOT VALVE IR 3PBL
This is a direct acting Pilot Valve, actuated by a pressure responsive diaphragm, which tends to reach equilibrium with the set spring force. Fully balanced trim ensures high accuracy and stability. When used in a pressure sustaining circuit, the pilot modulates closed as downstream pressure drops below set point.
- Internal or external pressure sensing
- Differential pressure sustaining valves:
- Modified to external & Differential sensing #3PBL-DR
- Direct pressure gauge installation (ports 1 or 3)
- Pressure Sustaining Valves: Standard model #3PBL
- Differential Pressure Sustaining Valves: Modified to external & differential sensing #3PBL-DR
- Downstream Over Pressure Guard (additional feature 48):
- Modified to external pressure sensing #3PBL-R
