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Pressure Relief Valves

Pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. They are available in 'M' Series - 1/4", 3/8" & 1/2" and 'G' Series 1/2", 3/4", 1", 11/2", 2", 3" & 4" available in various materials, see selection below.

Items 1 to 10 of 32 total

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  • 1/4" BSP PVC-U PRV (Griffco)

    1/4" BSP PVC-U PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 375 lph max flow
    • PVC body, PTFE diaphragm
    • 1/4" BSP
    Griffco

    Regular Price: £162.99

    Special Price: £138.54

      
  • 1/2" BSP CPVC PRV (Griffco)

    1/2" BSP CPVC PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • CPVC body, PTFE diaphragm
    • 1/2" BSP
    Griffco
    £273.36
      
  • 1/2" BSP Polypropylene (PP) PRV (Griffco)

    1/2" BSP Polypropylene (PP) PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • PP body, PTFE diaphragm
    • 1/2" BSP
    Griffco

    Regular Price: £171.14

    Special Price: £145.47

      
  • 1/2" BSP PVDF PRV (Griffco)

    1/2" BSP PVDF PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • PVDF body, PTFE diaphragm
    • 1/2" BSP
    Griffco

    Regular Price: £391.14

    Special Price: £332.47

      
  • 1/2" BSP PTFE PRV (Griffco)

    1/2" BSP PTFE PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • PTFE body, PTFE diaphragm
    • 1/2" BSP
    Griffco

    Regular Price: £351.14

    Special Price: £298.47

      
  • 1/2" BSP 316SS PRV (Griffco)

    1/2" BSP 316SS PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • 316SS body, PTFE diaphragm
    • 1/2" BSP
    Griffco

    Regular Price: £400.17

    Special Price: £340.14

      
  • 1/2" BSP Alloy-20 PRV (Griffco)

    1/2" BSP Alloy-20 PRV (Griffco)

    Pressure Relief Valves
    • PRV, 3 port
    • 1135 lph max flow
    • Alloy 30 body, PTFE diaphragm
    • 1/2" BSP
    Griffco

    Regular Price: £757.95

    Special Price: £644.26

      
  • 1/2" BSP Hastelloy-C PRV (Griffco)

    1/2" BSP Hastelloy-C PRV (Griffco)

    Pressure Relief Valves
    • PRV, 3 port
    • 1135 lph max flow
    • Hast C body, PTFE diaphragm
    • 1/2" BSP
    Griffco

    Regular Price: £1,070.54

    Special Price: £909.96

      
  • 1/2" Union PVC-U PRV (Griffco)

    1/2" Union PVC-U PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • PVC body, PTFE diaphragm
    • 1/2" Union
    Griffco

    Regular Price: £240.77

    Special Price: £204.65

      
  • 1/2" Union CPVC PRV (Griffco)

    1/2" Union CPVC PRV (Griffco)

    Pressure Relief Valves
    • Pressure Relief Valve
    • 3 Port
    • 1135 lph max flow
    • CPVC body, PTFE diaphragm
    • 1/2" Union
    Griffco

    Regular Price: £402.99

    Special Price: £342.54

      

Items 1 to 10 of 32 total

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  4. 4
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