M-Series Back Pressure Valves
Product details
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Headline
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
Dimensional drawings
Exploded view
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