»
Pressure Relief Valves
EnglishChinese (Simplified)FinnishFrenchGermanItalianJapaneseKoreanPortugueseSpanishTurkish

Pressure Relief Valves

Protect pumps, systems or tanks from over pressurization

Pressure Relief Valves protect from an upset condition (e.g. pressure spike, over pressurization, closed valve). Also known as safety valves, bypass valves, pump relief valves or pump safety valves.

G-Series Back Pressure Valves and Pressure Relief Valves
Pressure Switch
Pressure Switch
Standard Materials
  • Polypropylene
  • PVC
  • CPVC
  • PVDF
  • PTFE
  • Halar®
  • 316L SS
  • Alloy 20
  • Hastelloy® C
Standard Connections
  • Threaded
  • Flanged
  • Union
  • Socket
Spring Ranges
  • 10 to 150 psi (1 to 10 bar) standard
  • 0 to 50 psi (0.0 to 3.5 bar)
  • 10 to 250 psi (1 to 17 bar)
  • 50 to 350 psi (3.5 to 25 bar)
  • 350 to 2000 psi (24 to 138 bar)
  • 350 to 4000 psi (24 to 279 bar)
Diaphragm Materials
  • EPDM/PTFE (standard)
  • FKM (Viton®)
  • CSM (Hypalon®)
  • PTFE/FKM
  • Kalrez®
Configurations
  • 3-port (up to 1" or DN 25) standard
  • 2-port 180°
  • 2-port 90°
  • Wall mount
Options
  • Adjustment knob
  • Metal tops
  • Metal adjustment screw
  • Material certifications

3D CAD Drawings Now Available

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

SHARE
Share on linkedin
Share on twitter
Share on facebook

The Griffco Commitment to You

Griffco strives to provide exceptional service and value to all its customers and employs talented professionals to ensure customer satisfaction.

Capabilities & Quality Certifications

Griffco Valve fully stands behind all the products it manufactures and sells. Find out more information about our quality certifications and organizations.

Receive News & Product Updates