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.
| Series | Size | Maximum Flow Pulsating | Maximum Flow Continuous | Maximum Pressure |
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
- M-Series – Small connections (1/4″ to 1/2″ or DN 8 to DN 15)
- G-Series – Medium to large connections (1/2″ to 4″ or DN 15 to DN 100)
- High Flow – High-flow connections (1/2″ to 2″ or DN 15 to DN 50)
- Medium Pressure – Medium Pressure up to 800 psi (55 bar) (1/2″ to 1″ or DN 15 to DN 25)
- High Pressure – High Pressure up to 4000 psi (275 bar) (1/4″ to 1″ or DN 8 to DN 25)
Variations and Options Include: