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Griffco - Model G-Series -Solid PTFE Flanged Back Pressure Valves
Griffco G-Series diaphragm flanged back pressure valves with solid PTFE flanges 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-siphon valve. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.
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back pressure valve
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PTFE valve
diaphragm valve
- Solid, robust, one-piece machined construction
- Flanged connection
- Leak-free design - no glue, no seals
- Anti-siphon function
- Molded Noryl top with integral hardware locking
- Composite PTFE/EPDM diaphragm
- Adjustable up to 150 psi (10 bar)
- Valve sizes from 1/2" to 1" or DN 15 to DN 25
- Tamper-resistant adjustment screw
- High-temperature option up to 300°F (149°C)
- High reliability at affordable price
- Long diaphragm life
- Multiple diaphragm material options
- Factory or field settable
