G-Series Flanged Pressure Relief Valves
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G-Series Flanged Pressure Relief Valves

Valve Features

  • Solid, robust, one-piece machined construction
  • Complete PTFE valve body
  • Flanged connection
  • Leak-free design - no glue, no seals
  • Anti-siphon function
  • Molded Noryl top with integral hardware locking
  • Composite PTFE/EPDM diaphragm
  • 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)

Griffco Benefits

  • High reliability at affordable price
  • Long diaphragm life
  • Multiple diaphragm material options
  • Factory or field settable

Available Sizes

  • 1/2" to 1" or DN 15 to DN 25

Wetted Materials

  • PTFE

G-Series Solid PTFE Flanged PRGTF - Specifications

G-Series Solid PTFE Flanged BPGTF PRGTF - Data Sheets

TitleDescriptionDate modifiedDownload
Data Sheet PRGTF (US) Imperial09-14-2020 Download
Data Sheet BPGTF (Intl) Metric09-14-2020 Download
Data Sheet BPGTF (Spanish) Metric09-14-2020 Download

3D CAD Drawings Now Available

Three-dimensional CAD drawings are now available for you to download and use in your pumping system designs.

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