Pipe-lines of high-density PE (high-density polyethylene) and low-density PE (low density polyethylene) for drinking water supply; pipes, pipe connections and fittings for pipe-lines— 6 стр.
Pipe joints and their elements of glass fibre reinforced polyester resins - Part 7: Bushings, flanges, flanged and butt joints; general quality requirements and test methods— 7 стр.
Centrifugally cast and filled polyester resin glass fibre reinforced (UP-GF) pipes and fittings for buried drains and sewers; dimensions and technical delivery conditions— 24 стр.