The document specifies a method for testing the leaktightness under vacuum of joints for thermoplastics piping systems.
DIN EN 12294:1999 history
2018DIN EN ISO 13056:2018 Plastics piping systems - Pressure systems for hot and cold water - Test method for leaktightness under vacuum (ISO 13056:2011)
1999DIN EN 12294:1999 Plastics piping systems - Systems for hot and cold water - Test method for leaktightness under vacuum; German version EN 12294:1999