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Safety Valves for Hydrogen
Supporting the full range of hydrogen applications
We are Seetru in India

Safety in the Hydrogen Industry
​​Seetru supplies safety relief valves suitable for a wide range of hydrogen applications, including hydrogen generation, fuel cells, compressors and pumps, fuelling systems, storage, pressure vessels, piping systems, and transportation.
These valves can withstand set pressures up to 1100 bar, making them ideal for use in even the most demanding hydrogen applications.
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Safety Relief Valves | Change-Over Valves
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Seetru’s valves are designed to open quickly and reliably when the system pressure exceeds the set pressure, allowing excess gas to escape safely. This helps to prevent damage to the system and protect personnel from injury.
Seetru’s safety relief valves are manufactured in accordance with the highest international standards and are available in a variety of materials and configurations to meet the specific needs of each application.
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Supporting the full range of hydrogen applications:
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Generation
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Chemical and process industries
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Compression
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Storage and transmission (pressure vessels, receivers, and piping)
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Fuelling systems
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Power generation systems
Safety Relief Valves for Hydrogen
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Design: Enclosed Discharge
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Materials: Bronze
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Inlet Connections: 3/8” to 2”
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Pressure Range: 0.32 to 55.2 bar
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Design: Enclosed Discharge
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Materials: Stainless Steel
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Inlet Connections: 3/8” to 2”
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Pressure Range: 6.6 to 55.2 bar
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Design: Enclosed Discharge
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Materials: Brass inlet with either Bronze or StainlessSteel body. Metal to metal sealing
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Inlet Connections: 1/2" to 2" BSP, BSPT or NPT
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Pressure Range: 0.3 to 28.0 bar
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Design: Enclosed Discharge
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Materials: Stainless Steel
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Inlet Connection: 1/2” to 2” threaded connections (depending on valve bore size)
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Pressure Range: 0.3 to 28.0 bar (depending on valve bore size)
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Design: Enclosed Discharge
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Materials: Stainless Steel
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Inlet Connections: 3/8” and 1/2”
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Pressure Range: 35.0 to 500.0 bar
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Design: Enclosed Discharge
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Materials: Stainless Steel
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Inlet Connections: DN15 (1/2), DN20 (3/4”) or DN25 (1”) flange – DIN EN1092 and ANSI flanges are available
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Pressure Range: 0.3 to 28.0 bar
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Design: Enclosed Discharge
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Materials: Brass or Stainless Steel body and Stainless Steel inlets
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Inlet Connections: 3/8” to 1/2” threaded
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Pressure Range: 55.0 to 103.4 bar
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Design: Enclosed Discharge
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Materials: Brass or Stainless Steel body and Stainless Steel Inlets
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Inlet Connections: 3/8” to 1/2” Threaded InletConnections
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Pressure Range: 27 to 36 & 48.3 to 241.3 bar
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Design: Enclosed Discharge
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Materials: Bronze or Stainless Steel body
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Inlet Connections: 3/8” to 3/4” Threaded
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Pressure Range: 53.0 to 370.0 bar
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Design: Enclosed Discharge
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Stainless Steel with Metal or Ceramic Disc Sealing
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Inlet Connections: ½” NPT, BSP & BSPT | 9/16” Cone & Thread | 3/4” Cone & Thread
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Pressure Range: 35.0 to 515 bar (9*605) / 35.0 to 1100 bar (9*6H5) *Maximum set pressure for steam is 85 bar
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Design: Enclosed Discharge
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Materials: Stainless Steel
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Inlet Connections: DN25 (1”)
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Pressure Range: 0.3 to 28.0 bar
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Design: Enclosed Discharge
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Materials: Stainless Steel
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Inlet Connections: DN20 (3/4”) or DN25 (1”) DIN or ANSI flanges
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Pressure Range: 0.32 to 49.0 bar
Find more valves for Hydrogen...
Find information about Seetru’s range of Change-Over Valves for Hydrogen
Change-Over Valves for Hydrogen
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Materials of Construction: Stainless Steel
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Seal Material: P.T.F.E
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Maximum Safety valve Set Pressure: 75.0 bar
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Temperature Range: -196°C to 200°C
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Materials of Construction: Stainless Steel with Mild Steel or Stainless Steel Internals
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Seal Material: Elastomer / P.T.F.E
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Maxium Safety valve Set Pressure: 65.0 bar
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Temperature Range: -30°C to 200°C (subject to seal material)
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System Connections: 1” to 1-1/2” BSP, BSPT, NPT, CL150 to CL600 & PN16 to PN100
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Valve Connections: ¾” to 1” BSP, BSPT, NPT (with or without orientators), CL150 to CL600 & PN16 to PN100
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Maximum Safety Valve Set Pressure: 100.0 bar
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Temperature Range : -196°C to 200°C