BS EN 739:1998 Low-pressure hose assemblies for use with medical gases
Withdrwan
Defines requirements for low-pressure hose assemblies for use with oxygen, nitrous oxide, air for breathing, helium, carbon dioxide, xenon, specified mixtures of the gases listed previously, air for driving surgical tools, nitrogen for driving surgical tools and vacuum. Intended to ensure gas-specificity and for prevention of cross-connection between different gases.