What is being purchased: PVC pipes, fittings, and manholes.
Main technical requirements, features:
For PVC pipes: ring stiffness class SN4 (4 kN/m²), joints with SBR rubber gasket, mandatory marking (manufacturer’s logo, diameter, length, material), color – reddish-orange.
For PVC manholes: shafts made of corrugated PVC pipes, internal diameter 315 mm and 425 mm, ring stiffness SN4, cast iron covers, withstanding a load of 40 t. Must comply…
