Product details
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Headline
High-Flow Back Pressure Valves
Griffco High-Flow diaphragm 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. Larger orifice size makes the valves ideal for use with higher viscosity fluids.
Features & Benefits
Technical Specifications
| Parameter | Specification |
|---|---|
| Pressure Rating | Up to 250 psi (17 bar) |
| Temperature Range | Up to 300°F (149°C) |
| Valve Sizes | 1/2" to 2" (DN 15 to DN 50) |
| Pressure Options | 4 spring ratings available |
Construction Features
- Solid, robust machined design
- Molded Noryl top with integral hardware locking
- 316L SS metal valve and top options
- Molded PTFE/EPDM diaphragm
- Tamper-resistant adjustment screw
Connection Options
- Flanged connections
- Union fittings
- Threaded ports
- Socket connections
Performance Features
- Anti-siphon functionality
- High-temperature capability
- Field adjustable pressure settings
- Multiple pressure rating options
Griffco Benefits
- High reliability at affordable price
- Extended diaphragm service life
- Wide range of valve materials
- Multiple diaphragm material options
- Factory or field settable configurations
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