Outward Relief Valves

Outward Relief Valves are designed exceptionally to reduce the pressure in electric and electrooptic equipment and standard settings from 0.5 psid to 5.0 psid. They are typically used for safety valves and pneumatic pipelines.

M20 Thread Outward Relief Valve

This panel mounting Outward Relief Valve is perfect for keeping the equipment safe from vacuum damage. It comes with a back nut and an alochrome threat for R.F. Screening Continuity. This valve has a range of pressure settings. 

M20 Thread Outward Relief Valve (8531)

This valve is supplied with a back nut and o-ring for fitting to safeguard equipment from vacuum damage. It has a PTFE coated stainless steel mesh to act both as a filter and protect the valve from dust and contaminants. It also has an alochrome thread for R.F Screening Continuity. This valve has a range of pressure settings.

M30 Thread Outward Relief Valve

This panel mounting aluminium Outward Relief Valve can protect against vacuum damage. Depending on the operational requirement, this unit can be provided in various pressure settings and has a filter on the inlet.

Flange Mounted Outward Relief Valve

Protection of equipment from vacuum damage is being assisted by a mechanical guard. Additional filtration can be added, but it may affect the flow rate.

Push-Fit Outward Relief Valve

This small aluminium Push-Fit Outward Relief Valve is competent in protecting equipment from vacuum damage.

Un-threaded Glass Loaded Nylon with Splash Guard Outward Relief Valve

This large Push-Fit Nylon Outward Relief Valve is competent in protecting equipment from vacuum damage.

10mm Diameter Push-Fit Outward Relief Valve

This valve is supplied with a stainless steel mesh to filter and protect the valve from dust and contaminants. This protects the equipment from vacuum damage. The unit comes in a range of pressure settings to cater to the needs of an operation.

1.5” BSP Thread Outward Relief Valve

One of the largest Inward Pressure Relief Valves available, the 1.5” BSP Thread Inward Relief Valve that can be mounted in reverse positions to act as Outward Relief Valves. Commonly used with our tank vent dryers, the valves give supplement protection to prevent blockages. The BSP thread indicates that they can be easily mounted into standard pipe fittings.

1.5 BSP Double Thread Outward Relief Valve

This Outward Relief Valve comes with a large hexagonal head. One side is tapered while the other is parallel, allowing it to be installed in-line or connected to exhaust or intake. This unit can be effortlessly installed with a socket or spanner, and it can also be mounted in a reverse position to act as outward relief valves. Commonly used with our tank vent dryers, the valves give supplement protection to prevent blockages. The BSP thread indicates that they can be easily mounted into standard pipe fittings.

1.5 BSP Thread Outward Relief Valve (Stainless Steel)

One of the largest Inward Pressure Relief Valves available in the 1.5” BSP Thread Inward Relief Valve that can be mounted in reverse positions to act as Outward Relief Valves. Commonly used with our tank vent dryers, the valves give supplement protection to prevent blockages. The BSP thread indicates that they can be easily mounted into standard pipe fittings.

2” Thread Outward Relief Valve (Stainless Steel)

This is the largest Stainless Steel Outward Pressure Relief Valve unit that is currently available at Steam Peak. They can be fitted with either Viton or Nitrile seals which accommodate a large flow rate. This valve can also be mounted in reverse positions to act as an Inward Relief Valve. Commonly used with our tank vent dryers, the valves give supplement protection to prevent blockages. The BSP thread indicates that they can be easily mounted into standard pipe fittings.

9/16-21 UNF-3B Thread

This unit has a standard settings scope from 0.5 psid to 3.0 psid reseal or cracking pressure to meet the requirements for a low-cost, one-way Pressure Relief Valve.

Key Features

  • Used for electric and electro-optic equipment 
  • Reduce pressure in electric and electro-optic equipment equipments

Selection Guide

  • M20 Thread Outward Relief Valve
  • M20 Thread Outward Relief Valve (8531)
  • M30 Thread Outward Relief Valve
  • Flange Mounted Outward Relief Valve
  • Push-Fit Outward Relief Valve
  • Un-threaded Glass Loaded Nylon with Splash Guard Outward Relief Valve
  • 10mm Diameter Push-Fit Outward Relief Valve
  • 1.5” BSP Thread Outward Relief Valve
  • 1.5 BSP Double Thread Outward Relief Valve
  • 1.5 BSP Thread Outward Relief Valve (Stainless Steel)
  • 2” Thread Outward Relief Valve (Stainless Steel)
  • 9/16-21 UNF-3B Thread

Outward Relief Valve Brochure

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