Griffco diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.

Features include:

  • High Reliability/Low Cost
  • Robust, Machined Construction
  • Vulcanized PTFE/EPDM Diaphragm
  • Externally Adjustable 10-150 PSI
  • Optional 350 PSI Rated Valve
  • 2 & 3 Port Configurations
  • Ventable to Suction Line
  • Wide Range of Materials
  • Corrosion Resistant Design

Griffco G Series Back Pressure Valve Brochure

Griffco M Series Back Pressure Valve Brochure