ISO 9090:1989 Preview
Gas tightness of equipment for gas welding and allied processes
This standard was last reviewed and confirmed in 2011. Therefore this version remains current.
Specifies the maximum external leakage rates which are acceptable for equipment used for welding, cutting and allied processes. Applies to individual components which are used in the gas supply to a blowpipe from the connecting point of the hose (outlet of the cylinder valve or connecting point to a gas supply plant). Does not apply to gas supply plants.
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