Valves and fittings of spheroidal cast iron for untreated and potable water; corrosion protection by internal enamelling; quality requirements, testing— 3 стр.
Private and individual drinking water supply; governing principles relating to the requirements to be met by drinking water; design, construction and operation of the supply systems; DVGW; code of practice— 16 стр.
Testing of Pressure Pipelines for Water by Internal Pressure; Pressure Pipes Made of Ductile Cast Iron and Steel Pipes with Cement-mortar Lining— 2 стр.
Ductile iron pressure pipes with socket for gas and water pipelines rated for pressures over 4 bar up to and including 16 bar; dimensions and masses— 6 стр.
Ductile iron castings for gas and water pressure pipelines; EN-fittings; socket <(hoch)1>/<(Index)4> duckfoot bends; application, dimensions and masses— 2 стр.