Outward relief valves relieve pressure in electric and electro-optic pieces of equipment. The device comes in settings from 0.5 psid to 5 psid and can also be used as a safety valve with pneumatic pipelines.

  • Used for electric and electro-optic equipment
  • Reduce pressure in electric and electro-optic equipment
  • Prevents backflow of fluids, gases or other materials.
  • Easy to install and maintain.
  • Available in a range of sizes and materials to suit different applications.
  • High-quality construction for durability and long service life.
  • Can be customized to meet specific requirements.

Push-Fit Outward Relief Valve 

This small aluminium valve protects equipment from vacuum damage.

Un-threaded Glass Loaded Nylon Valve  

Fitted with a splash guard, the valve protects equipment from vacuum damage.

9/16-21 UNF-3B Thread 

The low-cost valve is available for pressure settings ranging from 0.5 psid to 3 psid reseal or cracking pressure.

Flange Mounted Outward Relief Valve 

Protected by a mechanical guard, protecting equipment from vacuum damage, the value can be supplied with additional filtration but may affect the flow rate.

M30 Thread Outward Relief Valve 

Protects equipment from vacuum damage and depending on the operation requirements, the valve can be supplied in various pressure settings and has a filter on the inlet.

10mm Diameter Push-Fit Outward Relief Valve 

Available with a range of pressure settings, the valve comes with a stainless steel mesh to filter and protect the valve from dust and contaminants, reducing vacuum damage.

2” Thread Outward Relief Valve 

The stainless steel valve can be fitted with either Viton or Nitrile seals, allowing for a significant flow rate and can be mounted in reverse positions to act as an inward relief valve. It can be used with tank vent dryers as additional protection to prevent blockages and can be easily mounted into standard pipe fittings.

1.5 BSP Thread Outward Relief Valve 

The stainless steel valve can be mounted in reverse positions to act as an outward relief valve. It can be used with tank vent dryers as additional protection to prevent blockages and can be easily mounted into standard pipe fittings.

M20 Thread Outward Relief Valve 

Supplied with a back nut, and o-ring for fitting, the valve has a PTFE-coated stainless steel mesh to filter to protect from dust and contaminants. The valve also has an alochrome thread for R.F. Screening Continuity and is available with a range of pressure settings.

1.5 BSP Double Thread Outward Relief Valve 

The valve has a large hexagonal head where one side is tapered, and the other is parallel, allowing it to be installed inline or connected to the exhaust or intake. The valve can be easily installed with a socket or spanner and be mounted in reverse to act as an outward relief valve. It can be used with tank vent dryers as additional protection to prevent blockages and can be easily mounted into standard pipe fittings.

Outward Relief Valve Product Brochure: Download