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Griffco ValveSizes
1/2 to 4 inch
Set Pressure
10-150 psi
Max Flow
up to 5,157 GPH
Body
Plastic or metal
Griffco G-Series back pressure valves hold a steady, adjustable pressure on a metering pump's discharge line, so the dose stays consistent and chemical cannot siphon through. Sizes run from 1/2 to 4 inch, in bodies from PVC to Hastelloy C.
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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
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 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