Outward Relief Valve

The Outward Relief Valves are designed, especially for relieving pressure in electric and electro-optic equipment in container packaging and standard settings from 0.5 psid to 5 psid. They are typically used for safety valves and pneumatic pipelines.

M20 Thread Outward Relief Valve

This panel mounting Outward Relief Valve is ideal for protecting equipment from vacuum damage. It comes with a back nut and an alochrome thread for R.F. Screening Continuity. This valve comes in a range of pressure settings.

M20 Thread Outward Relief Valve (8531)

This valve is supplied with a back nut and o-ring for fitting and has a PTFE coated stainless steel mesh to filter and protect the valve from dust and contaminants. Also, it has an alochrome thread for R.F Screening Continuity. This valve comes in a range of pressure settings.

M30 Thread Outward Relief Valve

This panel mounting aluminium Outward Relief Valve protects equipment from vacuum damage. Depending on the operation requirements, this unit can be supplied in various pressure settings and has a filter on the inlet.

2” Thread Outward Relief Valve (Stainless Steel)

This unit is the largest stainless steel Outward Relief Valves available in Stream Peak. They can be fitted with either Viton or Nitrile seals, allowing for a significant 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 additional protection to prevent blockages. The BSP thread indicates that they can be easily mounted into standard pipe fittings.

Flange Mounted Outward Relief Valve

This unit is protected by a mechanical guard, protecting equipment from vacuum damage. Additional filtration can be added but may affect the flow rate.

Push-Fit Outward Relief Valve

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

1.5 BSP Thread Outward Relief Valve (Stainless Steel)

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

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, reducing vacuum damage. The unit comes in a range of pressure settings to cater to the needs of the 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, can also be mounted in reverse positions to act as Outward Relief Valves. Commonly used with our Tank Vent Dryers, the valves give additional 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, and the other is parallel, allowing it to be installed in-line or connected to exhaust or intake. This unit can be easily installed with a socket or spanner and can be mounted in a reverse position to act as outward relief valves. Commonly used with our Tank Vent Dryers, the valves give additional 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 range from 0.5 psid to 3 psid reseal or cracking pressure, specially designed to meet the need for a low-cost, One-way Pressure Relief Valve.

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

Outward Relief Valve Product Brochure: Download