Pressure Measurement & Control

Relief Valves Code 63

The Conflow Code 63 - Relief Valves protect equipment from damage due to over pressurising. The valve is simple and reliable with a side discharge which can be hosed away to safety if necessary.

The relief pressure is set by turning a spring adjuster. A range of different springs provides a wide range of pressure setting options.

Typical Applications

  • To protect systems from reducing valve failure due to the ingress of debris
  • To protect motor cooling jackets from over pressure


  • 1/2", 3/4" and 1" sizes available
  • Maximum working pressure 40 bar
  • Adjustable pressure relief ranges up to 40 bar
  • Brass construction
  • Discharge to atmosphere or hose-away

The information on this data sheet is accurate to the best of Conflow’s knowledge, however we reserve the right to alter the product specification at any time. For any specific updated detail, please contact us.

Download Spec Sheet