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Sizes
1/4 to 1 inch
Set Pressure
350-4000 psi
Max Flow
up to 1,650 GPH
Body
316 SS, Alloy 20, or Hastelloy C

Griffco high pressure relief valves protect a chemical feed system from overpressure by venting chemical to a drain or back to the tank. Sizes run 1/4 to 1 inch, in 316 SS, Alloy 20, or Hastelloy C bodies.

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Free shipping over $500
Lifetime tech support
Starting at:

$1,032.00

Availability
Available to order
Lead time
7 days
Ships from
US PA - GA - FL - OH - TX - OR
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Sizes
1/4 to 1 inch
Set Pressure
350-4000 psi
Max Flow
up to 1,650 GPH
Body
316 SS, Alloy 20, or Hastelloy C
All possible part numbers

Product details

Headline

High-Pressure Relief Valves

Griffco High-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 chemical feed line.Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Also known as high-pressure pump bypass valves.

Features & benefits

Technical Specifications
ParameterRange/Value
Pressure Range350-2000 psi (24-138 bar)
Temperature (Max)300°F (149°C)
Valve Sizes1/4" to 1" (DN 8 to DN 25)
Pressure Ratings4 optional (springs)
Construction Features
  • 2-port, 90° configuration
  • PVDF piston
  • Solid, robust, machined construction
  • 316 SS top standard
  • Composite PTFE/EPDM diaphragm
  • Tamper-resistant adjustment screw
Connection Options
  • Threaded connections
  • Socket connections
  • High-temperature capability
Key Benefits
  • High reliability at affordable price
  • Compact size for OEM applications
  • Multiple diaphragm material options
  • Long diaphragm life
  • Factory or field settable