Pressure reducing and relieving, pilot operated spool type

VRPX-10A

Cartridge valve

Pressure reducing and relieving, pilot operated spool type

Marginal Column

Initially, flow passes freely from 2 to 1. When the pressure at 1 exceeds the pressure setting, the conical poppet in the upper, pilot stage is lifted from its seat. This allows the main-stage piston to shift, restricting input flow at 2. This increases the pressure drop through the valve and maintains consistent pressure at 1. The spring chamber is drained at 3 to prevent a build-up of back-pressure against the spool. Additionally, if pressure at 1 rises above the pressure setting, flow is relieved to 3 until the setting is re-attained.

  • Common cavity
    • Size 10

 
 


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