High Pressure Gaseous Hydrogen Ball Valve

  • Customizable and longtime field-proven hydrogen ball valve for various applications.
  • Operating pressure is adjustable and ranges from 1379 bar to 4137 bar.
  • Operating temperature ranges from -40°C to +85°C.
  • High-quality materials used.
  • Long life time and easy maintenance.
  • Advanced internal structure and coating technology applied.
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High pressure gaseous hydrogen ball valve

  • Customizable and longtime field-proven hydrogen gas ball valve for hydrogen fueling stations and other general hydrogen applications.
  • High-quality materials, such as SUS316L (CF8M) for the valve body are used.
  • DLC (Diamond-Like Carbon) coating is applied to metal-ball and metal-seat, which have an excellent durability and dramatic low torque under repeated on/off cycle.


  • Operating pressure is adjustable and ranges from 1379 bar (20,000 psi) up to 4137 bar (60,000 psi).
  • Operating temperature ranges from -40°C to +85°C.
  • Leak test on a seat can be performed at our own inspection facility.
  • Bi-directional trunnion structure is applied.
  • Great Cv value ensures effective control of Hydrogen flow.
  • Pneumatic actuator or electric actuator is selectable.
  • Different designs and size available: Threaded connection (Inlet) / NPT (Outlet) type 1/4” to 1”.


  • Body material: STS316L
  • Ball-Stem: STS316L + DLC coating
  • Seat: C1720-HT + DLC coating
  • Packing: Peek
  • Handle: STS304


  • Hydrogen fueling
  • General hydrogen gas use applications
  • Pressure fluid handling system

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Max Pressure (in bar)

Min Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Technical Datasheet


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    DAEJUNG VALVE Co., Ltd. not only provides a safe use solution of Hydrogen Valve, but also in particular, supplies the highest-quality safety Hydrogen valve (High-pressure hydrogen pressure relief valve) is certified by the Korea Gas Safety Corporation (KGS).
    As a leading hydrogen valve company, we provide fast solutions to meet customer needs based on 40 years of experience and know-how in valve manufacturing.

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