This standard specifies the characteristics of manual blowpipes for gas welding, cutting and heating of metals and gives specifications and corresponding tests.
DS/EN ISO 5172/A1:2012 history
2012DS/EN ISO 5172/A1:2012 Gas welding equipment - Blowpipes for gas welding, heating and cutting - Specifications and tests
2006DS/EN ISO 5172:2006 Gas welding equipment – Blowpipes for gas welding, heating and cutting – Specifications and tests