Product details
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High-Flow Pressure Relief Valves
Griffco High-Flow diaphragm pressure relief valves are designed to protect chemical transfer systems from over pressure damage caused by defective equipment or a blockage in the chemical feed chemical feed line. Large orifice sizes facilitate high flows and higher viscosity fluids.
Features & Benefits
Key Features
Design & Construction
- Solid, robust, machined construction
- Molded Noryl top with integral hardware locking
- 2-port design
- Flanged and socket connection options
- Tamper-resistant adjustment screw
Performance
- Higher flow / lower pressure drop
- Large orifice for high-viscosity fluids
- Vent-able to suction line
- Composite PTFE/EPDM diaphragm
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Pressure | 250 psi (17 bar) |
| Temperature Range | Up to 300°F (149°C) |
| Valve Sizes | 1/2" to 2" (DN 15 to DN 50) |
Benefits
- High reliability at affordable price
- Long diaphragm life
- Wide range of valve materials
- Multiple diaphragm material options
Chemical Compatibility
Exploded view
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