Glass-reinforced thermosetting plastics (GRP) pipes and fittings. Test methods for leaktightness and proof of structural design of flexible joints— 20 стр.
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 usin— 58 стр.
Plastics piping systems for drainage and sewerage without pressure - Non-circular pipes and joints made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) - Dimensions, requirements and tests (ISO 16611:2017)— 32 стр.
