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Pilot Operated Valve

The Groth 1600 Series valves provide safe, dependable, and accurate low pressure and/or vacuum protection. Seals in accordance with API 2000 requirements for Pilot Operated Relief Valves. This design prevents fugitive emissions and conserves stored product. Rated flow at 10% overpressure provides the ability to operate closer to the tank MAWP, increasing the operating range of the process. This reduces the need for a large overpressure and saves product, which translates into profit. Flexibility in terms of film or o-ring seat and snap or modulating action allows product customization to specific application requirements. The Model 1662A incorporates a vacuum breaker. 

  • Sizes: 2” through 12” (50-300mm) 
  • Pressure Settings: from 7.0* InWC to 15 psig *. For settings below 7 inWC, please contact us.
  • Vacuum Settings: 7.0 InWC to 12 psig 
  • Standard Body Materials: Carbon Steel (WCB/CS), Stainless Steel (CF8M/316), Aluminum (356) 
  • Supply Media Temperature Range: -320° F to 300° F 
  • ISO 9001 Certified manufacturing process 
  • ATEX and PED Approval 
  • 150# ANSI, PN10, PN16, JIS drilling classes available 
  • Pilot exhaust piped to discharge header 
  • Field test connection 
  • Manual blow down 
  • Conical film seat pallet 
  • Remote sense pickup 
  • Pilot supply filter 

Contact your rep to start an order or learn more.