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M-Series Back Pressure Valve

Product info
BPM | M-Series BPV
Griffco's [ BPM ] M-Series Back Pressure Valve
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M-Series Low-Flow Back Pressure Valves

Griffco M-Series diaphragm low-flow back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-syphon valve. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.

Features & Benefits
Valve Features
  • Anti-siphon function
  • Solid, robust, machined construction
  • Flanged, union, threaded and socket connection options
  • Molded Noryl top with integral hardware locking
  • 316L SS metal valve and top options
  • Molded PTFE/EPDM diaphragm
  • 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)
Griffco Benefits
  • High reliability at affordable price
  • Long diaphragm life
  • Wide range of valve materials
  • Multiple diaphragm material options
  • Factory or field settable
Additional Notes
Available Sizes
  • 1/4" to 1/2" or DN 8 to DN 15
Wetted Materials
  • PVC
  • CPVC
  • Polypropylene
  • PVDF
  • Hastelloy® C
  • PTFE
  • Halar®
  • 316L SS
  • Alloy 20
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