Polipropilenovye Truby | Gost Na
Виды полипропиленовых труб: характеристики и ... - valtec.ru
The main standard for polypropylene (PP) pipes used in water supply and heating systems is . This interstate standard, effective as of 2026, establishes general technical specifications for thermoplastic pressure pipes and fittings. 1. Key Regulatory Documents gost na polipropilenovye truby
: An earlier national standard that remains relevant for defining service life parameters and hydrostatic strength. effective as of 2026