Griffco Unibody Pressure Relief Valves


Griffco, Unibody, Pressure Relief Valves

Griffco's new Unibody back pressure valve is the latest innovation to ensure leak-free connections and operation. This new design allows flexibility of changing connection types, provides ease of maintenance, and eliminates additional system components (extra unions) saving time and money. As with all of the Griffco designs, the chemical feed system is safeguarded by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-siphon valve. This new construction ensures increased leak-free reliability in the rigorous service of municipal and industrial applications.

warrantyWetted Materials:

PVC
CPVC

Available Sizes:

1/2" to 1" or DN 15 to DN 25

Features & Benefits:

  • Solid, robust, single-piece machined construction

  • No seals or glued connections

  • Compact size for OEM applications

  • High reliability at a low cost

  • Anti-siphon function

  • Available in PVC and CPVC

  • Union style connections

  • Molded Noryl top with integral hardware locking

  • Vulcanized composite PTFE/EPDM diaphragm

  • Multiple diaphragm material options

  • Long diaphragm life

  • Adjustable up to 150 psi (10 bar)

  • 4 optional pressure ratings (springs)

  • Valve sizes from 1/2" to 1" or DN 15 to DN 25

  • Tamper-resistant adjustment screw

  • Two-year warranty

 Download Technical Data Sheet: Imperial (US) | Metric (International)

Sizes, Flow Capacities & Pressure Ratings
Size Maximum Flow Maximum Pressure
Pulsating Continuous
Inch Metric GPH LPH GPM LPH PSI BAR
1/2" DN 15 260 984 15 57 150 10
3/4" DN 20 300 1,135 21 80 150 10
1" DN 25 500 1,890 26 98 150 10

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