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.
G-Series Solid PTFE Flanged Back Pressure Valves
Valve Features
- 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)
Griffco Benefits
- High reliability at affordable price
- Long diaphragm life
- Multiple diaphragm material options
- Factory or field settable
Available Sizes
- 1/2" to 1" or DN 15 to DN 25
Wetted Materials
- PTFE
G-Series Solid PTFE Flanged BPGTF - Specifications
| Size | Maximum Flow | Maximum Pressure | |||||
| Pulsating | Continuous | ||||||
| Inch | Metric | GPH | LPH | GPM | LPM | PSI | BAR |
| 1/2" | DN 15 | 320 | 1,211 | 17 | 63 | 150 | 10 |
| 3/4" | DN 20 | 367 | 1,389 | 19 | 73 | 150 | 10 |
| 1" | DN 25 | 462 | 1,749 | 24 | 92 | 150 | 10 |
G-Series Solid PTFE Flanged BPGTF - Data Sheets
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Three-dimensional CAD drawings are now available for you to download and use in your pumping system designs.
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