Griffco’s new Unibody pressure relief valves (leak-free relief valves) 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.
Available Sizes
1/2″ to 1″ or DN 15 to DN 25
Unibody
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 150 psi (10 bar)
- 4 optional pressure ratings (springs)
- Valve sizes from 1/2″ to 1″ or DN 15 to DN 25
- Tamper-resistant adjustment screw
Griffco Benefits
- Compact size for OEM applications
- High reliability at an affordable price
- Multiple diaphragm material options
- Long diaphragm life
- Two-year warranty
Wetted Materials
PVC
CPVC
2 Year Warranty
| SIZE | MAXIMUM FLOW PULSATING | MAXIMUM FLOW CONTINUOUS | MAXIMUM PRESSURE |
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Image | Product | Description | Add to Project |
|---|---|---|---|
 PRU100P1E | Valve – PVC – Union Connection – 50 psi Spring – EPDM O-ring..Pressure Set: 20 psi | ||
PRU100P1EE | Valve – PVC – EPDM – Union Connection – 50 psi Spring – EPDM O-ring..Pressure Set: 20 psi | ||
PRU100PE | Valve – PVC – Union Connection – EPDM O-ring | ||
PRU100PH | Valve – PVC – Hypalon Diaphragm – Union Connection – Hypalon O-ring | ||
PRU100PQ | Valve – PVC – Union Connection – Viton O-ring – HDPE Union Socket Connectors | ||
PRU100PV | Valve – PVC – Viton – Union Connection – Viton O-ring | ||
PRU050P2E | Relief Valve – PVC – 250 psi Spring – Union Connection – EPDM O-ring | ||
PRU050CP | Relief Valve – CPVC – Union Connection – Viton O-ring – CPVC Socket Ends | ||
PRU050CP1 | Relief Valve – CPVC – 50 psi Spring – Union Connection – Viton O-ring – CPVC Socket Ends | ||
PRU050CP1E | Relief Valve – CPVC – EPDM Diaphragm – Union Connection – EPDM O-ring – CPVC Socket Ends – 50 psi Spring – Pressure Set: 20 psi |
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