US ISO 9090:1989, Gas tightness of equipment for gas welding and allied processes

This Uganda Standard specifies the maximum external leakage rates which are acceptable for equipment used for welding, cutting and allied processes. It 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). It does not apply to gas supply plants.

Source of regulation
The Uganda National Bureau of standards 
Publication of regulation
UGANDA GAZETTE Vol. CVIII No. 20 of 21 April 2015 
Date of implementation
21 April 2015 
Regulation file