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Servo Pilot Valve, Plastic Model PC-S-P

This pilot combines all principal functions of a 2-way control circuit with elements of a 3-way control circuit. It is a direct acting pilot valve, actuated by a pressure responsive diaphragm, which seeks to reach equilibrium between hydraulic and set spring forces. A fully balanced trim ensures high accuracy and stability. When used in a pressure reducing circuit, the pilot modulates closed as downstream pressure rises above setting. The pilot's unique internal design dynamically increases and decreases the main valve response speed in direct proportion to the discrepancy between actual and setting pressures.

Features and Benefits

  •  Integrated dynamic upstream flow restrictor
  •  Differential pressure sensing


Typical Applications

  •  Pressure Reducing Valves sizes 11/2-4” (Standard model PC-S-P)
  •  Flow Control Valves sizes 11/2-4” (Modified to differential sensing PC-SD-P)
  •  Pressure Sustaining Valves sizes 11/2-4” (Standard model connected as Pressure

     Sustaning Pilot)

  •  Differential Pressure Sustaining Valves sizes 11/2-4” (Modified to PC-S-P-D and connected as Pressure Sustaning Pilots)