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Unibody Back Pressure Valves
Griffco’s new Unibody back pressure valve is the latest innovation to ensure leak-free connections and operation. This new design allows flexibility of changing connection types, provides ease of maintenance, and eliminates additional system components (extra unions) saving time and money. As with all of the Griffco designs, the chemical feed system is safeguarded by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-siphon valve. This new construction ensures increased leak-free reliability in the rigorous service of municipal and industrial applications.
Features & Benefits
Valve Features
- Solid, robust, single-piece machined construction
- No seals or glued connections
- Anti-siphon function
- Available in PVC and CPVC
- Union style connections
- Molded Noryl top with integral hardware locking
- Vulcanized composite PTFE/EPDM diaphragm
- Adjustable up to 250 psi (17 bar)
- 2 optional pressure ratings (springs)
- Valve sizes from 1/2" to 1" or DN 15 to DN 25
- Tamper-resistant adjustment screw
Griffco Benefits
- High reliability at affordable price
- Long diaphragm life
- Multiple diaphragm material options
- Compact size for OEM applications
- Two year warranty
Additional Notes
Available Sizes
- 1/2" to 1" or DN 15 to DN 25
Wetted Materials
- PVC
- CPVC
Chemical Compatibility
Exploded view
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