Griffco M Series

Small connection (1/4" to 1/2" or DN 8 to DN 15) pressure relief valves.

SERIES DETAILS:

Griffco M-Series diaphragm pressure relief valves are designed to protect chemical feed systems overpressure 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.

Wetted Materials: PVC, CPVC, PP, PVDF, PTFE, Halar®, 316 SS, Alloy 20, Hastelloy® C

Available Sizes: 1/4″ to 1/2″ or DN 8 to DN 15

Features & Benefits:

  • High reliability at a low cost
  • 2-port, 3-port, and 90° configurations
  • Solid, robust, machined construction
  • Wide range of materials
  • Union, threaded and socket connection options
  • Molded Noryl top with integral hardware locking
  • 316L metal valve and top options
  • Molded PTFE/EPDM diaphragm
  • Multiple diaphragm material options
  • Long diaphragm life
  • Adjustable up to 350 psi (24 bar)
  • 4 optional pressure ratings (springs)
  • Valve sizes from 1/4″ to 1/2″ or DN 8 to DN 15
  • Tamper-resistant adjustment screw
  • High-temperature option up to 300°F (149°C)
  • Factory or field settable

MANUFACTURERS: Griffco
Griffco M Series Pressure Relief Valve
Model Number Mfg. Connection Size/Type Material Price
PRM025A Griffco 1/4" NPT Alloy 20 Call for Pricing
PRM025C Griffco 1/4" NPT Hastelloy C Call for Pricing
PRM025CP Griffco 1/4" NPT CPVC Call for Pricing
PRM025K Griffco 1/4" NPT PVDF Call for Pricing
PRM025P Griffco 1/4" NPT PVC Call for Pricing
PRM025PP Griffco 1/4" NPT Polypropylene Call for Pricing
PRM025S Griffco 1/4" NPT 316 SS Call for Pricing
PRM025T Griffco 1/4" NPT PTFE Call for Pricing
PRM038A Griffco 3/8" NPT Alloy 20 Call for Pricing
PRM038C Griffco 3/8" NPT Hastelloy C Call for Pricing
PRM038CP Griffco 3/8" NPT CPVC Call for Pricing
PRM038K Griffco 3/8" NPT PVDF Call for Pricing
PRM038P Griffco 3/8" NPT PVC Call for Pricing
PRM038PP Griffco 3/8" NPT Polypropylene Call for Pricing
PRM038PPB Griffco 3/8" BSP Threads Polypropylene Call for Pricing
PRM038S Griffco 3/8" NPT 316 SS Call for Pricing
PRM038T Griffco 3/8" NPT PTFE Call for Pricing
PRM050A Griffco 1/2" NPT Alloy 20 Call for Pricing
PRM050AS Griffco 1/2" Socket Alloy 20 Call for Pricing
PRM050C Griffco 1/2" NPT Hastelloy C Call for Pricing
PRM050CP Griffco 1/2" NPT CPVC Call for Pricing
PRM050CPS Griffco 1/2" Socket CPVC Call for Pricing
PRM050CS Griffco 1/2" Socket Hastelloy C Call for Pricing
PRM050K Griffco 1/2" NPT PVDF Call for Pricing
PRM050KS Griffco 1/2" Socket PVDF Call for Pricing
PRM050P Griffco 1/2" NPT PVC Call for Pricing
PRM050PP Griffco 1/2" NPT Polypropylene Call for Pricing
PRM050PPS Griffco 1/2" Socket Polypropylene Call for Pricing
PRM050PS Griffco 1/2" Socket PVC Call for Pricing
PRM050S Griffco 1/2" NPT 316 SS Call for Pricing
PRM050SS Griffco 1/2" Socket 316 SS Call for Pricing
PRM050T Griffco 1/2" NPT PTFE Call for Pricing