Griffco G Series

PRV with medium to large connections (1/2" to 4" or DN 15 to DN 100)

SERIES DETAILS:

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: 1/2″ to 4″ or DN 15 to DN 100

Features & Benefits:

  • High reliability at a low cost
  • Anti-siphon function
  • 2-port and 3-port configurations (90° and 180°)
  • Solid, robust, machined construction
  • Wide range of materials
  • Flanged, 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 1/2″ to 4″ or DN 15 to DN 100
  • Tamper-resistant adjustment screw
  • High-temperature option up to 300°F (149°C)
  • Factory or field settable

MANUFACTURERS: Griffco
Griffco Pressure Relief Valve G Series
Model Number Mfg. Connection Size/Type Material Price
PRG050A Griffco 1/2" NPT Alloy 20 $0.00
PRG050AS Griffco 1/2" Socket Alloy 20 $0.00
PRG050CPS Griffco 1/2" Socket CPVC $525.00
PRG050CP Griffco 1/2" NPT CPVC $525.00
PRG050K Griffco 1/2" NPT PVDF $852.00
PRG050KS Griffco 1/2" Fusion Socket PVDF $0.00
PRG050P Griffco 1/2" NPT PVC $401.00
PRG050PP Griffco 1/2" NPT Polypropylene $406.00
PRG050PS Griffco 1/2" Socket PVC $401.00
PRG050S Griffco 1/2" NPT 316 SS $811.00
PRG050SS Griffco 1/2" Socket 316 SS $811.00
PRG050T Griffco 1/2" NPT PTFE $698.00
PRG075A Griffco 3/4" NPT Alloy 20 $0.00
PRG075AS Griffco 3/4" Socket Alloy 20 $0.00
PRG075K Griffco 3/4" NPT PVDF $887.00
PRG075KS Griffco 3/4" Socket PVDF $0.00
PRG075CPS Griffco 3/4" Socket CPVC $563.00
PRG075CP Griffco 3/4" NPT CPVC $0.00
PRG075P Griffco 3/4" NPT PVC $437.00
PRG075PP Griffco 3/4" NPT Polypropylene $0.00
PRG075PS Griffco 3/4" Socket PVC $437.00
PRG075S Griffco 3/4" NPT 316 SS $841.00
PRG075SS Griffco 3/4" Socket 316 SS $0.00
PRG075T Griffco 3/4" NPT PTFE $0.00
PRG100A Griffco 1" NPT Alloy 20 $0.00
PRG100AS Griffco 1" Socket Alloy 20 $0.00
PRG100CP Griffco 1" NPT CPVC $736.00
PRG100CPS Griffco 1" Socket CPVC $736.00
PRG100KS31 Griffco 1" Socket PVDF $0.00
PRG100K Griffco 1" NPT PVDF $1102.00
PRG100P Griffco 1" NPT PVC $562.00
PRG100PP Griffco 1" NPT Polypropylene $569.00
PRG100PS Griffco 1" Socket PVC $562.00
PRG100S Griffco 1" NPT 316 SS $1093.00
PRG100SS Griffco 1" Socket 316 SS $0.00
PRG100T Griffco 1" NPT PTFE $965.00
PRG155A Griffco 1 1/2" NPT Alloy 20 $0.00
PRG155AS Griffco 1 1/2" Socket Alloy 20 $0.00
PRG155C Griffco 1 1/2" NPT Hastelloy C $0.00
PRG155CP Griffco 1 1/2" NPT CPVC $0.00
PRG155K Griffco 1 1/2" NPT PVDF $0.00
PRG155KS Griffco 1 1/2" Socket PVDF $0.00
PRG155P Griffco 1 1/2" NPT PVC $1150.00
PRG155PS Griffco 1 1/2" Socket PVC $1150.00
PRG155SS Griffco 1 1/2" Socket 316 SS $0.00
PRG155S Griffco 1 1/2" NPT 316 SS $2540.00
PRG155T Griffco 1 1/2" NPT PTFE $0.00
PRG200A Griffco 2" NPT Alloy 20 $0.00
PRG200C Griffco 2" NPT Hastelloy C $0.00
PRG200CP Griffco 2" NPT CPVC $0.00
PRG200K Griffco 2" NPT PVDF $0.00
PRG200P Griffco 2" NPT PVC $1300.00
PRG200PP Griffco 2" NPT Polypropylene $0.00
PRG200PS Griffco 2" Socket PVC $1300.00
PRG200S Griffco 2" NPT 316 SS $2656.00
PRG200SS Griffco 2" Socket 316 SS $2656.00
PRG200T Griffco 2" NPT PTFE $0.00
PRG300P Griffco 3" Flanged PVC $3360.00