Specifies the requirements and tests for safety devices for fuel gases and oxygen or compressed air used downstream of the cylinders or pipeline, outlet regulators and pipeline outlet points and upstream of blowpipes used for welding, cutting and allied
AS 4603:1999 history
0000 AS 4603:1999(R2016)
1970AS 4603:1999 Flashback arresters - Safety devices for use with fuel gases and oxygen or compressed air