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Cobham service valves are used to load, drain and vent spacecraft propellants, liquids and gases while preventing leakage.

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Cobham Service Valves trace their heritage back to 1975 with the start of the Viking program.


Over 150 service valve variants have been produced and flown on various satellites, space probes and classified missions. Many types of service valves are available to meet specific needs.


Changing the material properties allows the valves to function in different operating conditions.

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