91.140.80 Drenāžas sistēmas

Elastomeric seals — Requirements for materials for pipe joint seals used in water and drainage applications — Thermoplastic elastomers

Plastics piping systems for pressure and non-pressure water supply, drainage or sewerage — Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin

Plastmasas cauruļvadu sistēmas ūdensapgādei, notekūdeņiem un kanalizācijai ar spiedienu vai bez tā. Ar stiklšķiedru stiegrotas termoreaktīvās plastmasas (GRP) uz nepiesātinātu poliesteru (UP) sveķu bāzes (ISO 23856:2021)