The purpose of the specification is to ensure that the spot welding equipment used meets minimum requirements for the functioning of the mechanical properties.
DS/INF 70-6:1992 history
2010DS/INF 70-6:2010 Plastics pipes - Butt fusion of polyolefine pipe systems - Inspection of butt fusion equipment
1992DS/INF 70-6:1992 Plastics pipes. Butt fusion of polyolefine pipe systems. Part 6: Inspection of fusion equipment