By using seetrudirect.com you agree to our use of cookies to enhance your experience.

Please visit the new www.seetru.com

Wednesday April 30, 2025

+44 (0) 117 930 6100info@seetru.com

Home

Same Day Despatch
LGS^® Safety Relief Valves - WRAS & KUKReg 4 approved LGS^® HI-FLOW Safety Relief Valves - WRAS & KUKReg 4 approved Type 818 & 848 - Atmospheric Safety Valves 64610 - Enclosed Discharge Safety Valves Type 526 - Leser Flanged API Valves P3W Pressure and Temperature Relief Valve

Portal

Flows/Pricing

Home / Products / Valves / Cryogenic & Liquefied Gas

send us an enqu

Valves for the Cryogenic & Liquefied Gas Industry

Safety Relief Valves suitable for the following industries/applications:

Pressure vessels/receivers, pressure equipment and piping

Cryogenics including oxygen and special gases

Medical gas equipment

Cryogenic compressor applications

Container lorries, cryogenic trailers, LPG/LNG terminals, carriers etc.

Industrial freezing

Liquefied gas storage

Fire fighting equipment

The Seetru range of safety valves for cryogenic & liquefied gas applications are built using Seetru sealing technology, suitable for temperatures down to -196°C, and pressures up to 1100 bar. Available with PTFE, PPS or metal-to-metal sealing.

View or Download our Cryogenics Brochure:

English Version.
French Version.

Seetru safety relief valves are now supplied UKCA approved and marked

35610 & 34610 Cryogenic

Enclosed Discharge Safety Relief Valves

Either Bronze & Stainless Steel or complete Stainless Steel construction with P.T.F.E. sealing

Inlet Connections from 3/8" to 3/4" BSP, BSPT or NPT

Set Pressures from 0.83 to 30.76 bar

Type 329 Cryogenic

Enclosed Discharge Safety Relief Valves

Either Bronze & Stainless Steel or complete Stainless Steel construction with P.T.F.E. sealing

Inlet Connections from 3/8" to 3/4" BSP, BSPT or NPT

Set Pressures from 53.0 to 370.0 bar

Type 936 Cryogenic

Enclosed Discharge Safety Relief Valves

Either Brass & Bronze or Brass & Stainless Steel construction with Metal to Metal sealing

Inlet Connections from 1/2" to 2" BSP, BSPT or NPT (depending on valve bore size).

Set Pressures from 0.3 to 28.0 bar (depending on valve bore size).

Type 94605 / 946H5 / 95605 / 956H5

Enclosed Discharge Safety Relief Valves

Stainless Steel construction with Metal or Ceramic Disc Sealing

Inlet Connections available in BSP, BSPT, NPT or Cone & Thread

Set Pressures from 35.0 to 1100.0 bar

COV10, COV13, COV30

Change Over Valves

Stainless Steel / Mild Steel Construction with PTFE or Rubber sealing

Up to 100 barg (depending on size)

COV10 and COV30 suitable down to -196°C

These valves are manufactured to meet demanding applications which include being used on pressure vessels/receivers, pressure equipment and piping, cryogenic plants including oxygen and special gases, cryogenic compressor applications, container lorry/cryogenic trailers, industrial freezing, liquefied gas storage and fire fighting equipment.

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 compliant with the requirements of the Pressure Equipment Directive, PED (CE marked).