Griffco G-Series Solid PTFE Flanged Back Pressure Valves

Griffco G-Series diaphragm 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-syphon valve. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.

Wetted Materials:

PTFE

Available Sizes:

1/2" to 1" or DN 15 to DN 25

Features & Benefits:

• Solid, robust, one-piece machined construction

• Flanged connection

• Leak-free design - no glue, no seals

• High reliability at a low cost

• Anti-siphon function

• Molded Noryl top with integral hardware locking

• Composite PTFE/EPDM diaphragm

• Multiple diaphragm material options

• Long diaphragm life

• 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 300ºF (149ºC)

• Factory or field settable

Download Technical Data Sheet: Imperial (US) | Metric (International)