District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene— 36 стр.
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene— 34 стр.
Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, grey iron, steel, PVC-U, PE, fibre-cement— 34 стр.
Pressure regulators and associated safety devices for gas appliances. Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar— 48 стр.
Flanges and their joints. Dimensions of gaskets for PN-designated flanges. Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges— 12 стр.
Flanges and their joints. Gaskets for Class-designated flanges. Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges— 16 стр.