Pressure Only Relief Valves - PRV (CNC381 & CNC384)

Motherwell’s ATEX-approved Pressure Relief Valves (PRV) are designed specifically for storage tank protection where only pressure relief is needed. Available in sizes from 2″ (50mm) to 12″ (300mm) and materials including aluminium, carbon steel, and stainless steel, these PRVs offer customisable flow capacity and valve sizing. With options for venting to atmosphere or closed-line, they meet stringent quality standards and are suitable for a range of tank types.

Pressure Relief Valves are available in both dead weight and spring loaded

Looking for the right pressure relief valves to protect your system?

Motherwell Tank Protection are manufacturers of high quality Pressure Relief Valves to customers worldwide. Our Pressure Relief Valves are specifically designed for storage tank protection, they are the ideal product when only pressure relief is required.  For other options see our full range of breather valves each is designed to suit the customers specific needs

  • Available in Aluminium, Carbon Steel, Stainless steel & other metals upon request
  • Sizes  from 50mm (2″) to 300mm (12″)
  • Valve sizing available, tell us your requirements and let us tell you your valve sizing options
  • Flow capacity details available for all our valves,
  • Full range of spares available
  • Servicing and resetting available upon request

Our pressure only relief valves are compliant with European ATEX directives where applicable, all our Relief Valves are manufactured by ourselves in our factory in St Helens. Our pressure relief valves are used extensively on bulk storage tanks, including floating roof tanks.

The pressure relief valves are manufactured by MTP in our UK manufacturing plant to exacting quality standards and backed by over 40 years experience as manufacturers.

Pressure Only Relief Valves - PRV (CNC381 & CNC384) options are available in the following configurations:

Pressure Only Relief Valve to Atmosphere
Pressure Only Relief Valve to Closed Line