BPM-025 | M-Series Back Pressure Valves - 1/4 inch

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.

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