by Precision High Pressure

High Pressure Check Valves (100k psi)

  • High pressure check valve with NPT connections has MAWP of 15,000 psi (1034 bar)
  • Cone & threaded connections with MAWP up to 100,000 psi (6894 bar)
  • Designed to prevent reverse flow that can cause damage to a pressurized system
  • 316 cold worked stainless steel is the standard material


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High pressure check valves up to 100,000 psi

  • It is important for high pressure check valve to perform at the highest levels with an eye towards safety, costs, and cutting edge technology.
  • With over 75 years of cumulative experience, Precision High Pressure has what it takes to deliver high quality products and exceptional service that will help you get the job done.


  • High pressure check valve prevents reverse flow which may cause damage to a pressure system.
  • Metal seat offers metal-to-metal seat for rapid cycling or severe environments.
  • Soft seat offers PEEK seat with metal back-up for fast shutoff and reliable seal.
  • Complete material traceability.
  • Can be manufactured to meet NACE MR-01-75.
  • Nominal cracking pressure: 15 psi (1 bar)
  • Temperature ratings  for NPT connections:
    • Metal seat: 0°F to 400°F (-18°C to 204°C),
    • Soft seat: 0°F to 400°F (-18°C to 204°C)
  • Temperature ratings for cone & threaded connections:
    • Metal seat: -420°F to 1200°F (-251°C to 648°C)
    • Soft seat: -65°F to 250°F (-54°C to 121°C


High pressure check valve is made of the following materials:

  • 316 cold worked stainless steel is standard.
  • PEEK 450G is standard material of soft seat poppet seal.


  • Fuel cells
  • Refilling stations
  • General hydrogen purposes

Contact Us

  • Contact us and tell us about your requirements. We will identify the products that provide the performance and safety you expect.
Max Pressure (in bar)

Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Precision High Pressure Check Valve


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    Precision High Pressure

    Precision High Pressure is a premier manufacturer and innovator of high-pressure valves, valve systems, fittings, and tubing with pressures up to 100,000 psi. Our products are regularly used in the Hydrogen industry within re-fueling systems, fuel cells and onboard vehicles. They are proven to perform to the highest level in the most critical applications.

    With over 75 years of cumulative experience in the design and manufacturing of high-pressure valves and other high-tech products, the PHP team look forward to providing innovative products and solutions, for your applications.

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