Tank Breather Valves or Conservation Valve
… Manufacturers / Suppliers of pressure relief and vacuum relief valves for storage tanks - We offer a range Valves including Dead-Weight Loaded Valves (Low pressure relief valves), Spring Loaded Valves and pilot Operated Valves available in various sizes and configurations.
Motherwell are suppliers of the Opti-flow CNC 380 Series direct acting Pressure Relief valve and Vacuum Relief Valves (also known as a Breather Valve or Conservation valve) are special types of relief valves which are specifically designed for tank protection.
The CNC 380 series are a low pressure relief valve available in a variety of configurations to suit your needs. all the CNC 380 series of valves are also available as springloaded on both the pressure and vacuum giving valve options upto 0.5 bar.
We offer a free valve sizing service, let us advise you on the best breather valve for you tank
The breather valves are available in a number of combinations illustrated below. click on any for more information
- Pressure And Vacuum Breather Valves
- Presure Only Breather Valves
- Vacuum Only Breather Valves
- Spring Loaded Relief valves
- Pilot Operated valves
All of the above breather valve combinations are available in a range of sizes and can have flanged outlets or vent to atmosphere on both the pressure and vacuum depending upon your requirements.
These are some of the options available for our Breather Valves.
- Available in Aluminium, Cast Iron, Carbon Steel, Stainless steel & other metals upon request
- Valve sizes from 50mm (2″) to 300mm (12″)
- We will line and coat valves if this is required
- Valve sizing available, let our software do your valve sizing and recomend your solution
- Flow curves available for all our Breather valves,
- Full Range of Breather Valve Spares available
- Breather Valve Servicing and resetting available upon request
All our breather valves are certified and compliant with European ATEX and PED directives where applicable.
Request a Quote for one of our Breather Valves
Request a Quote for one of our Tank Breather Valves below by clicking on the required configuration, or contact us for multiple configurations, let are trained staff advise you on valve type and sizing.
The 380 series of breather valves are available in a variety of configurations to ensure your requirements are met, these are illustrated below showing the pressure (Red) and vacuum(Blue) flows for each configuration
