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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

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Enclosed Discharge Safety Relief Valves

The Seetru range of safety 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 and Hydrogen.

These valves are manufactured in bronze, brass or stainless steel and offer a wide range of connections, for applications up to 250°C. 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).

Seetru safety relief valves are now supplied UKCA marked and approved

Type 636 & 656

Enclosed Discharge Safety Relief Valves

Bronze body with either a Brass or Stainless Steel Inlet with Elastomer Rubber Sealing

Inlet Connections from 3/8" to 2" BSP, BSPT or NPT (depending on bore size)

Set Pressures from 0.32 to 55.2 barg (depending on bore size)

Type 646

Enclosed Discharge Safety Relief Valves

Stainless Steel Construction with Elastomer Rubber Sealing

Inlet Connections from 3/8" to 2" BSP, BSPT or NPT (depending on bore size)

Set Pressures from 0.32 to 55.2 barg (depending on bore size)

63608

Enclosed Discharge Safety Relief Valves

Brass with PPS Plastic Outler Body with Elastomer Rubber Sealing

Inlet Connections from 1/4 to 1/2" BSP, BSPT or NPT

Set Pressures from 0.3 to 13.2 bar

86810

Enclosed Discharge Safety Relief Valves

Brass with PPS Plastic Outler Body with Elastomer Rubber Sealing

Inlet Connections from 1/2" to 3/4" BSP, BSPT or NPT

Available Set Pressures: 7.0, 8.0, 9.3, 10.0, 10.5, 11.0, 11.5, 14.5 & 16.0 bar

Type 936 Air & Gas

Enclosed Discharge Safety Relief Valves

Brass inlet with either Bronze or Stainless Steel body 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 946 Air & Gas

Enclosed Discharge Safety Relief Valves

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)

33020, 34020 & 34320

Enclosed Discharge Safety Relief Valves

Brass or Stainless Steel body with Stainless Steel inlet and Elastomer Rubber sealing

Inlet Connections from 3/8" to 1/2" BSP, BSPT or NPT

Set Pressures from 55.0 to 103.4 bar

33110, 34110 & 34410

Enclosed Discharge Safety Relief Valves

Either Brass or Stainless Steel body with Stainless Steel inlet and Elastomer Rubber sealing

Inlet Connections from 3/8" to 1/2" BSP, BSPT or NPT

Set Pressures from 27 to 36 & 48.3 to 241.3 Bar

Type 329

Enclosed Discharge Safety Relief Valves

Bronze or Stainless Steel body with Stainless Steel inlet 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 359 / B4605 / B6605

Enclosed Discharge Safety Relief Valves

Stainless Steel construction with Metal Ball Sealing

Inlet Connections from 3/8" to 1/2" BSP, BSPT or NPT

Set Pressures from 35.0 to 500.0 bar

Type 6G6 Clean Service

Enclosed Discharge Safety Relief Valves *Clean Service*

Stainless Steel with FDA compliant Elastomer Rubber sealing

Inlet Connections from 1/2” to 1” Tri-Clamp (depending on bore size)

Set Pressures 0.32 to 55.2 barg (depending on 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

These valves are available with a wide range of sealing materials and technologies as well as a comprehensive range of manual relieving devices to suit application requirements.