The Compressed Gas Association (CGA) has announced the release of a revised publication for valve standards, entitled ‘CGA V-9, Compressed Gas Association Standard for Compressed Gas Cylinder Valves’.
The revised standard covers general cylinder valve design, application and selection, design qualification, required markings, and performance requirements such as operating temperature limits, pressure ranges, operating torque limits, and flow capabilities.
CGA V-9 provides testing and maintenance requirements and additionally, required markings for medical valves testing requirements have been modified and strengthened to provide clear guidance to the manufacturers and testers of cylinder valves.
The scope of the document clearly states those valves which are covered by the document and defines how valves are designed, qualified and tested.
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