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Griffco G-Series Solid PTFE Flanged Pressure Relief Valves

Wetted Materials:

PTFE

Available Sizes:

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

Features & Benefits:

  • Solid, robust, one-piece machined construction
  • Complete PTFE valve body
  • Flanged connection
  • Leak-free design - no glue, no seals
  • High reliability at a low cost
  • Anti-siphon function
  • Molded Noryl top with integral hardware locking
  • Composite PTFE/EPDM diaphragm
  • Multiple diaphragm material options
  • Long diaphragm life
  • Adjustable up to 150 psi (10 bar)
  • Valve sizes from 1/2" to 1"or DN 15 to DN 25
  • Tamper-resistant adjustment screw
  • High-temperature option up to 300°F (149°C)
  • Factory or field settable

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

 3d-star

PRV G-PTFE Fllanged

Sizes, Flow Capacities & Pressure Ratings
Size Maximum Flow Maximum Pressure
Pulsating Continuous
Inch Metric GPH LPH GPM LPM PSI BAR
1/2" DN 15 300 1,135 21 80 350 24
3/4" DN 20 300 1,135 21 80 350 24
1" DN 25 500 1,890 26 98 350 24