Small Hydrogen Pressure Relief Valve – Series 420

  • Our small hydrogen pressure relief valve is your ideal solution for electrolysis, such as alkaline or PEM and other applications alongside the hydrogen value chain.
  • Adjustable pressure range of up to 50 bar pressure and operating temperature from -40 °C to +260 °C.
  • The series 420 safety valves are available for the first time with TÜV and European component 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 cutting ring threaded connections.
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Small hydrogen pressure relief valve – series 420

  • Our safety valves are 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 small 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 cutting ring threaded connections.
  • These valves are set and sealed at the factory.

Features

  • Temperatures: -40 °C to +260 °C, depends upon the version of the valve
  • Pressures: Adjustable up to 50 bar, please refer data sheet
  • Materials: Stainless steel (1.4404/316L; 1.4408/CF8M) and PTFE, different seal materials
  • Threaded connections: 1/4” – 3/8”

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
  • Metallic bellows (optional): made up of stainless steel
  • PTFE: Bellows- made up of PTFE

Valve options

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

Approvals

  • TÜV-Type test approval 2069 D/G , F , F/K/S*
  • EU type examination S/G , L , F/K/S*
  • TR ZU 032/2013 – TR ZU 010/2011 D/G (S/G) , F (L) , F/K/S*

Diameters, connections and dimensions

Diameter 420

Dimensions 420

Application areas

  • Hydrogen boilers and plants
  • Off shore applications
  • 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)

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Series 420

Technical Data Sheet

Assembly and Maintenance Instructions

Manual

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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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