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Function and usage:

Pilot check valves are used to close the flow (holding the appliance in the position) in both directions. Flow is free in one direction and locked in the other direction until pilot pressure is applied. 

Material and characteristics:

Body: galvanized steel
Inner parts: hardened and ground steel
Seals: BUNAN standard
No leakage

Assembly:

Connect V1 and V2 to the pressure source C1 and C2 to the appliance using the pipes

Optional:

  • without sealing on the pilot piston
  • standard spring preload, see opening pressure