UHP™ Ultra High Pressure Closures

UHP Ultra High Pressure closures are a reliable, fast, safe and economical solution for high-pressure vessels that require frequent access, such as high-pressure launchers and receivers, filters, or strainers.

UHP closures are the heavy-duty version of the Tube Turns clamp style (double bolt) closures used successfully in a broad range of applications for more than 50 years.

The UHP design utilizes  a self-energized, metal-to-metal seal that contains working pressures up to 15,000 psi (1,034 bar). The clamping forces required to obtain this range of pressures is achieved via two forged and machined heavy-duty clamps that are driven by dual heavy-duty, dual actuating drive  screws. This combination ensures positive mating of the head  and hub sections by encapsulating them in nearly 360° of clamping contact when the clamps are in the closed position.

  • • Safety features include a hinged cover with pressure warning device and secondary mechanical interlock to prevent accidental opening under pressure
  • • The fully redundant locking mechanism complies with ASME UG-3
  • • Faster and easier to operate than bolted connections
  • • Low maintenance

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