Cobham’s suite of propulsion check and relief valves is part of a rocket bi-propellant main propulsion system and ensures one way flow for Hydrogen, Oxygen and Helium.

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The check and relief valves are designed for high mean operating pressure, high fluid flow, and a wide operational temperature range, (including cryogenics).


The Dual Check Valve includes redundant flow capability.


Key Features

  • Compatible with Oxygen, Hydrogen, and Helium
  • High flow rates with low pressure drop
  • Wide operational temperature range
  • High shock and vibration tolerance
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