
Equipment used in gas welding, cutting and allied processes - Safety devices for fuel gases and oxygen or compressed air - General specifications, requirements and tests
出版:International Organization for Standardization

专家解读视频
Relates to safety devices used downstream of cylinder or pipeline outlet regulators and of pipeline outlet valves, and upstream of blowpipes.
DIN 8521 (1981-12) - Equivalent
NFA 84 340 : 1988 - Similar to
NBR ISO 5175 : 2009 - Identical
NBR ISO 5175 : 2009 - Identical
NFA 84 340 : 1988 - Similar to