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 pressure and non-pressure water supply, irrigation, drainage or sewerage - Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin - Pipes with flexible joints intended to be installed using jacking techniques - Complementary provisions to ÖNORM ISO 25780