Pressure Relief Valve

Pressure Relief Valve

MR’s Pressure Relief Valve is a spring loaded type for handling over pressure in a various circumstances at the pipe line.
Also this valve is to prevent air intake, evaporative lossed of products and help to contain odorous and potentially explosive vapours.
Aluminium, Carbon-steel, Stainless Steel with various trims to meet customer’s requirement or working conditions.
Especially this type can have a balance valve for preventing pressure locking circumstances. Therefore, this valve can operate normal for any unexpected conditions.


  • Minimzation of product lossed
  • Replaceable seat
  • Reduction of emissions
  • Excellent flow characteristics
  • Maintenance of pressure up to just below the maximum permissible (tank) pressure


Size From 1″ (ND 25A) To 12″ (ND 300A)
Pressure Range From 700 mmH20 To 10000 mH20


No. Description Spec.1 Spec.2 Spec.3
1 Body A216-WCB A351-CF8M B26-319
2 Cover A283-C A351-CF8M B26-319
3 Disc A240-304 A240-316 A240-304
5 Seat A351-CF8 A351-CF8M A351-CF8

– Special materials can available upon request.