District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene— 38 стр.
Welding consumables. Test methods and quality requirements. Primary methods and conformity assessment of consumables for steel, nickel and nickel alloys— 44 стр.
Transportable gas cylinders. Specification for welded pressure drums up to 1000 litre capacity for the transport of gases. Design and construction— 46 стр.
LPG equipment and accessories. Static welded steel cylindrical tanks, serially produced for the storage of liquefied petroleum gas (LPG) having a volume not greater than 13 m$u3. Design and manufacture— 66 стр.
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene— 34 стр.