Gaskets for Hydrogen - HOCHDRUCK PRO V20011Z3IP

  • Multilayer high-strength gasket sheet
  • Made of high-purity flexible graphite foil
  • Reinforced with 0.05 mm stainless steel foils
  • Antistick impregnated to reduce leakage and improve handling
  • Asbestos-free (no associated health risks)

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SIGRAFLEX® HOCHDRUCK PRO is a multilayer high-strength gasket sheet made of high-purity flexible graphite foil reinforced with 0.05 mm thick stainless steel foils using proven SIGRAFLEX HOCHDRUCK technology. It is antistick impregnated to reduce leakage and improve handling. This product is designed for extreme conditions and offers outstanding mechanical properties, including high operational reliability, increased plant availability, excellent oxidation resistance, very high blow-out resistance, and mechanical strength. It is suitable for operating pressures from vacuum up to 250 bar and temperatures ranging from –269 °C to 550 °C. It is used in various industries such as chemical, petrochemical, refinery, nuclear, and power generation. The product is asbestos-free, ensuring no associated health risks, and is certified for TA Luft, fire safety, blow-out safety, and other standards. It is ideal for solving sealing problems in pipework, process equipment, and non-standard joints.

Use Cases

  • Difficult and mechanically highly stressed sealed joints
  • Tongue-and-groove joints
  • Flanges with special dimensions
  • Heat exchangers
  • Process equipment

Capabilities

  • Suitable for operating pressures from vacuum up to 250 bar
  • Suitable for operating temperatures from –269 °C to 550 °C
  • Reinforced multilayer construction with 0.05 mm stainless steel foils
  • High maximum permissible gasket stress
  • Long-term stability of compressibility and recovery under fluctuating temperatures
  • No aging or embrittlement (no adhesives or binders)
  • Blow-out safety (HOBT ASTM WK18046)
  • DVGW approval (DIN 3535-6)
SGL Carbon SE

SGL Carbon develops carbon-based solutions for hydrogen economy, focusing on hydrogen sealing and storage. They provide graphite materials to ensure safe and efficient hydrogen operations. Their expertise supports sustainable mobility and renewable energy sectors.

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