BPG

Medium/high flow diaphragm back pressure valves apply a pre-set back pressure to the chemical pump.

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
  • 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 (25 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
Model NumberMfg.DescriptionConnection Size/TypeMaterial
BPG050AGriffcoG-Series Back Pressure Valve1/2" NPTAlloy 20
BPG050ASGriffco1/2" G-Series Back Pressure ValveSocketAlloy 20
BPG050CGriffcoG-Series Back Pressure Valve1/2" NPTHastelloy C
BPG050CPGriffcoG-Series Back Pressure Valve1/2" NPTCPVC
BPG050CPSGriffco1/2" G-Series Back Pressure ValveSocketCPVC
BPG050CSGriffcoG-Series Back Pressure Valve1/2" NPTHastelloy C
BPG050KGriffcoG-Series Back Pressure Valve1/2" NPTPVDF
BPG050KSGriffco1/2" G-Series Back Pressure Valve - Fusion Socket - 19 mmSocketPVDF
BPG050PGriffcoG-Series Back Pressure Valve1/2" NPTPVC
BPG050PPS19Griffco1/2" G-Series Back Pressure Valve - 19 mm SocketSocketPolypropylene
BPG050PSGriffco1/2" G-Series Back Pressure ValveSocketPVC
BPG050PPGriffcoG-Series Back Pressure Valve1/2" NPTPolypropylene
BPG050SGriffcoG-Series Back Pressure Valve1/2" NPTStainless Steel
BPG050SSGriffco1/2" G-Series Back Pressure ValveSocketStainless Steel
BPG050TGriffcoG-Series Back Pressure Valve1/2" NPTPTFE
BPG075AGriffcoG-Series Back Pressure Valve3/4" NPTAlloy 20
BPG075ASGriffco3/4" G-Series Back Pressure ValveSocketAlloy 20
BPG075CGriffcoG-Series Back Pressure Valve3/4" NPTHastelloy C
BPG075CPGriffcoG-Series Back Pressure Valve3/4" NPTCPVC
BPG075CPSGriffco3/4" G-Series Back Pressure ValveSocketCPVC
BPG075KGriffcoG-Series Back Pressure Valve3/4" NPTPVDF
BPG075KSGriffco3/4" G-Series Back Pressure Valve - Fusion Socket - 24mmSocketPVDF
BPG075PGriffcoG-Series Back Pressure Valve3/4" NPTPVC
BPG075PPGriffcoG-Series Back Pressure Valve3/4" NPTPolypropylene
BPG075PPSGriffco3/4" G-Series Back Pressure Valve - Fusion SocketSocketPolypropylene
BPG075PSGriffco3/4" G-Series Back Pressure ValveSocketPVC
BPG075SGriffcoG-Series Back Pressure Valve3/4" NPTStainless Steel
BPG075SSGriffco3/4" G-Series Back Pressure ValveSocketStainless Steel
BPG075TGriffcoG-Series Back Pressure Valve3/4" NPTPTFE
BPG100AGriffcoG-Series Back Pressure Valve1" NPTAlloy 20
BPG100ASGriffco1" G-Series Back Pressure ValveSocketAlloy 20
BPG100CGriffcoG-Series Back Pressure Valve1" NPTHastelloy C
BPG100CPSGriffco1" G-Series Back Pressure ValveSocketCPVC
BPG100CSGriffco1" G-Series Pressure Relief ValveSocketHastelloy C
BPG100KGriffcoG-Series Back Pressure Valve1" NPTPVDF
BPG100KSGriffco1" Back Pressure Valve - Fusion Socket - 31 mmSocketPVDF
BPG100PGriffcoG-Series Back Pressure Valve1" NPTPVC
BPG100PPGriffcoG-Series Back Pressure Valve1" NPTPolypropylene
BPG100PPSGriffco1" G-Series Back Pressure Valve - Fusion Socket - 31 mmSocketPolypropylene
BPG100PSGriffco1" G-Series Back Pressure ValveSocketPVC
BPG100SGriffcoG-Series Back Pressure Valve1" NPTStainless Steel
BPG100SSGriffco1" G-Series Back Pressure ValveSocketStainless Steel
BPG100TGriffcoG-Series Back Pressure Valve1" NPTPTFE
BPG155AGriffcoG-Series Back Pressure Valve1 1/2" NPTAlloy 20
BPG155ASGriffco1 1/2" G-Series Back Pressure ValveSocketAlloy 20
BPG155CGriffcoG-Series Back Pressure Valve1 1/2" NPTHastelloy C
BPG155CPGriffcoG-Series Back Pressure Valve1 1/2" NPTCPVC
BPG155CPSGriffco1 1/2" G-Series Back Pressure ValveSocketCPVC
BPG155KGriffcoG-Series Back Pressure Valve1 1/2" NPTPVDF
BPG155KSGriffco1 1/2" G-Series Back Pressure Valve - Fusion SocketSocketPVDF
BPG155PGriffcoG-Series Back Pressure Valve1 1/2" NPTPVC
BPG155PPGriffcoG-Series Back Pressure Valve1 1/2" NPTPolypropylene
BPG155PPSGriffco1 1/2" G-Series Back Pressure ValveSocketPolypropylene
BPG155PSGriffco1 1/2" G-Series Back Pressure ValveSocketPVC
BPG155SGriffcoG-Series Back Pressure Valve1 1/2" NPTStainless Steel
BPG155SSGriffco1 1/2" G-Series Back Pressure ValveSocketStainless Steel
BPG155TGriffcoG-Series Back Pressure Valve1 1/2" NPTPTFE
BPG200AGriffcoG-Series Back Pressure Valve2" NPTAlloy 20
BPG200ASGriffco2" G-Series Back Pressure ValveSocketAlloy 20
BPG200CGriffcoG-Series Back Pressure Valve2" NPTHastelloy C
BPG200CPGriffcoG-Series Back Pressure Valve2" NPTCPVC
BPG200CPSGriffco2" G-Series Back Pressure ValveSocketCPVC
BPG200CSGriffco2" G-Series Back Pressure ValveSocketHastelloy C
BPG200KGriffcoG-Series Back Pressure Valve2" NPTPVDF
BPG200PGriffcoG-Series Back Pressure Valve2" NPTPVC
BPG200PPGriffcoG-Series Back Pressure Valve2" NPTPolypropylene
BPG200PSGriffco2" G-Series Back Pressure ValveSocketPVC
BPG200SGriffcoG-Series Back Pressure Valve2" NPTStainless Steel
BPG200SSGriffco2" G-Series Back Pressure ValveSocketStainless Steel
BPG200TGriffcoG-Series Back Pressure Valve2" NPTPTFE
BPG300PGriffco3" G-Series Back Pressure ValveFlangePVC