District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification, general requirements and test methods; German and English version EN 15632-1:2009— 56 стр.
Plastics piping systems for drainage and sewerage without pressure - Non-circular pipes, joints and fittings made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) - Dimensions, requirements, tests and procedure for the proof of conformity
Plastics piping systems for drainage and sewerage without pressure - Non-circular pipes, joints and fittings made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) - Requirements and tests
Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Guidance for installation
Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Part 3: Guidance for installation (consolidated version)