Bellows Seal Cryogenic Control Valves

SERVICE RANGE:

  • Temperature: -457.6 to 176ºF (-272 to 80ºC)

DESIGN FEATURES:

  • Resilient stainless steel design
  • Temperatures down to 1.2 K (super-fluid He)
  • Very low “Heat in-leak”
  • Angle or straight bodies
  • Excellent seat tightness
  • Cold box adaptation
  • Vacuum jacketed on request
  • Typical fluid: liquid He, liquid Ox, liquid H2, liquid N2

Description

Size Range(s)

  • NPS 1/8 – 8
  • (DN 4 – 200)

Pressure Rating

  • ASME Class 150

Standard Connections

  • Butt Weld

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