Pilot Operated Relief Valves 1600 Series

Pilot Operated Relief Valves 1600 Series

Groth 1600 Series pilot operated relief valves are used on liquid storage tanks and other process vessels or systems to prevent structural damage due to excess internal pressure or vacuum.


  • Sizes 2″ through 12″
  • Full pipe bore seat nozzle
  • Standard pressure settings from 2.0 InWC to 15 psig
  • Supply Media Temperature range from -320° F to 300° F
  • Designed for easy maintenance
  • Minimal spare parts requirements
  • Inherent backflow prevention
  • ISO 9001 Certified manufacturing process
  • Easily adjustable blowdown
  • Snap action or modulating pilot
  • Premium seat tightness to set pressure
  • Standard body materials are aluminum, carbon steel, or 316SS













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