Simple, Rugged Quality


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Griffco Diaphragm Pressure Relief Valves

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 Pressure Relief Valves Brochure
Griffco M Series Pressure Relief Valves Brochure

Faster Lead Times than Neptune & Milton Roy

Madden Manufacturing is currently quoting lead times of:
  • Chemical Metering Pumps @ 1-2 weeks
  • Fully Assembled Chemical Feed Systems @ 3-6 weeks
  • Sample Coolers & Small Heat Exchangers @ < 1 week
  • Emergency/Rush pumps in 1-2 days!

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