Enclosed Discharge Safety Relief Valves

For compressed air and gas

The valves for compressed air and gas are compact, highly efficient and incorporate the exclusive Tutchtite® seal technology for repeatable bubble-tight sealing performance.

Designed for applications including:

  • Air/gas compressors
  • Specialist gas plants
  • Chemical equipment and piping
  • Pressure vessels
  • Thermal relief
  • Medical gases

These valves are available in bronze, brass or stainless steel. We have a wide range of  connections up to 250°C. Several of the valves are available for express delivery. Feel free to con tact us for more information.

Enclosed Discharge Safety Relief Valves

International standards

Manufactured in accordance with a wide range of international standards and approvals such as TÜV (Germany) to AD Merkblatt A2, National Board UV Stamp to ASME Section VIII Division 1, EAC customs union (Russia, Belarus and Kazakhstan) and in accordance with the requirements of the Pressure Equipment Directive, PED (CE marked).

Enclosed Discharge Safety Relief Valves

For compressed air and gas

The valves for compressed air and gas are compact, highly efficient and incorporate the exclusive Tutchtite® seal technology for repeatable bubble-tight sealing performance.

Designed for applications including:

  • Air/gas compressors
  • Specialist gas plants
  • Chemical equipment and piping
  • Pressure vessels
  • Thermal relief
  • Medical gases

These valves are available in bronze, brass or stainless steel. We have a wide range of  connections up to 250°C. Several of the valves are available for express delivery. Feel free to contact us for more information.

Enclosed Discharge Safety Relief Valves

International standards

Manufactured in accordance with a wide range of international standards and approvals such as TÜV (Germany) to AD Merkblatt A2, National Board UV Stamp to ASME Section VIII Division 1, EAC customs union (Russia, Belarus and Kazakhstan) and in accordance with the requirements of the Pressure Equipment Directive, PED (CE marked).

Enclosed Discharge Safety Relief Valves

International standards

Manufactured in accordance with a wide range of international standards and approvals such as TÜV (Germany) to AD Merkblatt A2, National Board UV Stamp to ASME Section VIII Division 1, EAC customs union (Russia, Belarus and Kazakhstan) and in accordance with the requirements of the Pressure Equipment Directive, PED (CE marked).

Enclosed Discharge Safety Relief Valves

For compressed air and gas

The valves for compressed air and gas are compact, highly efficient and incorporate the exclusive Tutchtite® seal technology for repeatable bubble-tight sealing performance.

Designed for applications including:

  • Air/gas compressors
  • Specialist gas plants
  • Chemical equipment and piping
  • Pressure vessels
  • Thermal relief
  • Medical gases

These valves are available in bronze, brass or stainless steel. We have a wide range of  connections up to 250°C. Several of the valves are available for express delivery. Feel free to contact us for more information.

GP 331, 330, 329, 636

Brass, Bronze & Stainless Steel construction with elastomer or PTFE rubber sealing (pressures up to 370 barg). Please get in touch for more information.

GP 331
3mm Bore Size
3/8″ & 1/2″ BSP or NPT inlet
48.3 to 241 bar g.

GP 331

GP 330 
6.4mm Bore Size
3/8″ & 1/2″ BSP, BSPT or NPT inlet
55.0 to 104.0 bar g.

GP 330

GP 329
6mm Bore Size
3/8″ to 3/4″ BSP, BSPT or NPT inlet
53.0 to 370.0 bar g.

GP 329

GP 636
8mm to 25mm Bore Size
1/4″ to 1 1/2″ inlet
0.3 to 55.2 bar g.

We offer several different sizes/versions of the GP 636 valves.

GP 936

Brass, Bronze & Stainless Steel construction with metal-to-metal sealing. Available in different sizes/versions. Please contact us for more information.

GP 936

GP 936

GP 646 Clean Service

Stainless Steel construction for clean gas service. Valve fitted with Tri-clamp Inlet. Feel free to contact us for more information.

GP 646

GP 359

High Pressure Stainless steel construction with stainless steel ball sealing (up to 500 barg). Please get in touch for more information.

GP 359

GP 359