Pressure Vacuum Relief Valve PVRV (CNC380, CNC383, CNC385 & CNC386)

ATEX-approved Pressure Vacuum Relief Valves by Motherwell offer reliable tank protection with a range of customizable options. Available in sizes from 2″ (50mm) to 12″ (300mm), these valves can be made from aluminium, carbon steel, or stainless steel, and feature pressure relief settings from 2 Mbar to 500 Mbar. Designed for both flanged and atmospheric venting, these valves meet European ATEX and PED standards, ensuring safe and efficient pressure control.

Pressure Vacuum Relief Valve available in either Dead Weight or Spring-loaded

The Motherwell range of Pressure and Vacuum Relief Valves are available in a variety of options allowing venting to atmosphere or a closed line depending upon your requirements. The combined pressure & vacuum valves are all available with the following options.

– PVRV Valve sizes from (2″) 50mm to (12″) 300mm
– Pressure Valve outlets available in either flanged outlets or vented to atmosphere.
– Vacuum Valve Inlets available in either flanged Inlets or vented to atmosphere.
– PVRV Valves available in Aluminium, Carbon Steel Stainless Steel and other valve materials upon request
– PVRV Valve Sizing available upon request
– Pressure Relief Settings from 2 Mbarg to 500 Mbarg
– Vacuum Relief Settings from 2 Mbarg to 500 Mbarg

The Pressure and Vacuum Relief Valves are certified compliant with European ATEX and PED directives where applicable.

MTP Opti-flow 380 Series direct acting Pressure and Vacuum Relief Valve, or Breather Valve are special types of relief valve which are specifically designed for tank protection.