Ключевые слова:
Plastics, Polymers, Pipework systems, Plastic pipelines, Water, Pipes, Water supply engineering, Water supply (buildings), Unplasticized polyvinyl chloride, Polyvinyl chloride, Valves, Water supply, Water mains, Underground, External, Internal, Buildings, Pressure, Temperature, Cold-water supply systems, Potable water, Saddle joints, Elastomers, Sealing rings, Adhesive-bonded joints, Spigot-and-socket joints, Flanged fittings, Flanges, Dimensions, Gate valves, Butterfly valves, Plug valves, Diaphragm valves, Mechanical properties of materials, Performance testing, Thermal testing, Hydraulic tests, Marking