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Sizes
1/2 to 4 inch
Set Pressure
10-150 psi
Max Flow
up to 5,157 GPH
Body
Plastic or metal
Griffco G-Series pressure relief valves protect a chemical feed system from overpressure by venting chemical back to the tank or pump suction. Sizes run 1/2 to 4 inch, in PVC, CPVC, polypropylene, PTFE, PVDF, Halar (ECTFE), 316L SS, Alloy 20, or Hastelloy C bodies.
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Free shipping over $500
Lifetime tech support
Starting at:
$381.00
Availability
In stock
Lead time
7 days
Ships from
PA - GA - FL - OH - TX - OR
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Call or text 24/7: +1 (484) 544-0506
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Sizes
1/2 to 4 inch
Set Pressure
10-150 psi
Max Flow
up to 5,157 GPH
Body
Plastic or metal
Product details
Headline
G-Series Pressure Relief Valves
Griffco G-Series medium-flow pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Also called bypass pressure valves.
Features & benefits
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Pressure | 350 psi (24 bar) |
| Temperature Range | Up to 300°F (149°C) |
| Valve Sizes | 1/2" to 4" (DN 15 to DN 100) |
| Pressure Ratings | 4 optional spring ratings |
Construction Features
Materials & Design
- Solid, robust, machined construction
- 316L SS metal valve and top options
- Molded Noryl top with integral hardware locking
- Molded PTFE/EPDM diaphragm
Connection Options
- Flanged connections
- Union connections
- Threaded connections
- Socket connections
Configuration Options
- Anti-siphon function
- 2-port and 3-port configurations (90° and 180°)
- Tamper-resistant adjustment screw
- High-temperature option
Key Benefits
- High reliability at affordable price
- Long diaphragm life
- Wide range of valve materials
- Multiple diaphragm material options
- Factory or field settable