Product details
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Headline
G-Series Medium-Flow Back Pressure Valves
Griffco G-Series 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-siphon valve. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.
Features & Benefits
Key Features
Construction & Materials
- Solid, robust machined construction
- Molded Noryl top with integral hardware locking
- 316L SS metal valve and top options
- Molded PTFE/EPDM diaphragm
- Wide range of valve materials
Connection Options
- Flanged connections
- Union connections
- Threaded connections
- Socket connections
- Valve sizes from 1/2" to 4" or DN 15 to DN 100
Performance & Safety
- Anti-siphon function
- Tamper-resistant adjustment screw
- Factory or field settable
- Multiple diaphragm material options
- Long diaphragm life
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Pressure | 350 psi (25 bar) |
| Temperature Range | Up to 300°F (149°C) |
| Pressure Ratings | 4 optional spring ratings |
| Size Range | 1/2" to 4" (DN 15 to DN 100) |
Benefits
- High reliability at affordable price
- Long service life
- Flexible installation options
- Adaptable to various applications
- Field-configurable settings
Chemical Compatibility
Exploded view
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