by Goetze KG Armaturen

Hydrogen Pressure Relief Valve – Series 451

  • Our hydrogen pressure relief valves are your ideal solution for electrolysis, such as alkaline or PEM and other applications alongside the hydrogen value chain.
  • Adjustable pressure range of up to 70 bar and operating temperature from -60 °C to +400 °C.
  • The series 451 safety valves are available with EU-type examination and TÜV approval.
  • This allows the use of tested and approved quality on the smallest pressure tanks and small steam boilers with neutral and non-neutral gas and liquid mediums.
  • The safety valves are made of stainless steel, angle-type with threaded connections or standard threaded connections.
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Hydrogen pressure relief valve – series 451

  • Our safety valves is used to prevent excess pressure of the vessels in different applications and prevent the further release of gases after normal conditions have been restored.
  • These angle-type pressure relief valves are available with EU-type examination and TÜV approval.
  • This allows the use of tested and approved quality on the smallest pressure tanks and small steam boilers with neutral and non-neutral gas and liquid mediums.
  • The cutting ring threaded connections are available as an option make this valve quick and easy to install for use in small pipelines.
  • The safety valves are made of stainless steel, angle-type with threaded connections or standard threaded connections.
  • The flexibility of the various versions guarantee an optimal configuration for every application.
  • In addition to the basic version the numerous sealing possibilities and materials, back-pressure compensating metal bellows and / or a gastight cap offer the necessary optional extras required to fulfill the highest safety requirements.

Features

  • Temperature: -60 °C to +400 °C, depends upon the version of the valve
  • Pressure: Adjustable up to 70 bar, please refer data sheet
  • Material: Stainless steel (1.4404/316L; 1.4408/CF8M), different seal materials
  • Threaded connections: 1/2” – 2”

Components

  • Inlet body: made up of stainless steel
  • Outlet body: made up of stainless steel
  • Internal parts: made up of stainless steel
  • Spring: made up of stainless steel
  • Bellows (optional): made up of stainless steel

Valve options

  • With bellows (b)
  • Gastight version of spring housing (t)
  • Gastight version with bellows (tb)

Approvals

  • TÜV-Type test approval 666, 684 D/G , F , F/K/S*
  • EU type examination S/G , L , F/K/S*
  • ASME S, G, L
  • CRN G
  • TSG ZF001-2006 D/G (S/G), F (L), F/K/S*
  • KGS G
  • TR ZU 032/2013 – TR ZU 010/2011 D/G (S/G) , F (L) , F/K/S*

Diameters, connections and dimensions

Diamenter 451

Dimensions 451

Application areas

  • Hydrogen boilers and plants
  • Pressure tanks
  • Biogas plants
  • Process technology

Use cases

  • Hydrogen production (Power-to-X): Alkaline electrolysis (AEL) or Proton exchange membrane electrolysis (PEM)
  • Along the hydrogen value chain

Contact us

  • Goetze is your ideal partner to supply safety valves. Contact us – we are thrilled to learn about your requirements.

 

Max Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Compliant with

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Goetze Safety Valve 451 datasheet

Technical Data Sheet

Download File

Assembly and Maintenance Instructions

Manual

Download File

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    Goetze KG Armaturen

    For over 70 years, Goetze KG Armaturen has been manufacturing sophisticated high-performance valves and fittings for media under pressure: liquids, air, gases and vapours. The family-owned company, which is based in Ludwigsburg, has made themselves a reputation worldwide with their high level of quality "Made in Germany". Goetze is your partner regarding safety (valves). We assure the handling of hydrogen from the retrieval to the application – either in the electric part of the process or at the hydrogen filling station for vehicles. We protect filling processes, which are under high pressure or the storage of liquid hydrogen in tanks.

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