Plastics piping systems for water supply with or without pressure - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) (consolidated version)
Plastics piping systems for drainage and sewerage with or without pressure - Glass-reinforced thermo-setting plastics (GRP) based on unsaturated polyester resin (UP) - Specifications for pipes, fittings and joints
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
