BPM

Low flow diaphragm back pressure valves apply a pre-set back pressure to the chemical feed 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: 1/4″ to 1/2″ or DN 8 to DN 15

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 (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
Model Number Mfg. Description Connection Size/Type Material
BPM025A Griffco M-Series Back Pressure Valve 1/4" NPT Alloy 20
BPM025C Griffco M-Series Back Pressure Valve 1/4" NPT Hastelloy C
BPM025CP Griffco M-Series Back Pressure Valve 1/4" NPT Hastelloy C
BPM025K Griffco M-Series Back Pressure Valve 1/4" NPT PVDF
BPM025P Griffco M-Series Back Pressure Valve 1/4" NPT PVC
BPM025PP Griffco M-Series Back Pressure Valve 1/4" NPT Polypropylene
BPM025S Griffco M-Series Back Pressure Valve 1/4" NPT Stainless Steel
BPM025T Griffco M-Series Back Pressure Valve 1/4" NPT PTFE
BPM038A Griffco M-Series Back Pressure Valve 3/8" NPT Alloy 20
BPM038C Griffco M-Series Back Pressure Valve 3/8" NPT Hastelloy C
BPM038CP Griffco M-Series Back Pressure Valve 3/8" NPT Hastelloy C
BPM038K Griffco M-Series Back Pressure Valve 3/8" NPT PVDF
BPM038P Griffco M-Series Back Pressure Valve 3/8" NPT PVC
BPM038PP Griffco M-Series Back Pressure Valve 3/8" NPT Polypropylene
BPM038S Griffco M-Series Back Pressure Valve 3/8" NPT Stainless Steel
BPM038T Griffco M-Series Back Pressure Valve 3/8" NPT PTFE
BPM050A Griffco M-Series Back Pressure Valve 1/2" NPT Alloy 20
BPM050AS Griffco 1/2" M-Series Back Pressure Valve Socket Alloy 20
BPM050C Griffco M-Series Back Pressure Valve 1/2" NPT Hastelloy C
BPM050CP Griffco M-Series Back Pressure Valve 1/2" NPT CPVC
BPM050CPS Griffco 1/2" M-Series Back Pressure Valve Socket CPVC
BPM050CS Griffco 1/2" M-Series Back Pressure Valve Socket Hastelloy C
BPM050K Griffco M-Series Back Pressure Valve 1/2" NPT PVDF
BPM050KS Griffco 1/2" M-Series Back Pressure Valve Socket (Fusion) PVDF
BPM050P Griffco M-Series Back Pressure Valve 1/2" NPT PVC
BPM050PP Griffco M-Series Back Pressure Valve 1/2" NPT Polypropylene
BPM050PPS Griffco 1/2" M-Series Back Pressure Valve Socket (Fusion) Polypropylene
BPM050PS Griffco 1/2" M-Series Back Pressure Valve Socket PVC
BPM050S Griffco M-Series Back Pressure Valve 1/2" NPT Stainless Steel
BPM050SS Griffco 1/2" M-Series Back Pressure Valve Socket Stainless Steel
BPM050T Griffco M-Series Back Pressure Valve 1/2" NPT PTFE