DIN 16927:1988 Unplasticized polyvinyl chloride sheet; technical delivery conditions
DIN 16962 Pipe joint assemblies and fittings for types 1 and 2 polypropylene (PP) pressure pipes; injection moulded reducers and nipples for socket welding; dimensions
DIN 16963 Pipe Joints and Elements for High Density Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Injection Moulded Tee Pieces for Socket-welding, Dimensions
EN 253:1994 Preinsulated Bonded Pipe Systems for Underground Hot Water Networks - Pipe Assembly of Steel Service Pipes, Polyurethane Thermal Insulation and Outer Casing of Polyethylene
DVS 2203-4-1995 history
1997DVS 2203-4-1997 Testing of welded joints of thermoplastics plates and tubes - Tensible creep test
1995DVS 2203-4-1995 Testing of welded joints on panels and pipes made of thermoplastic materials - long-term tensile testing
1986DVS 2203-4-1986 Testing of welded joints of thermoplastic polymers; creep rupture test and tensile testing
1985DVS 2203-4-1985 Testing of thermoplastic welded joints; creep tensile testing