Stopvalves for domestic water supply - Part 1: General requirements and tests for manually operated piston type gate valves, stopvalves for tapping valves, gate valves and diaphragm valves; Technical rule of the DVGW— 10 стр.
Corrosion of metals - Corrosion of metallic materials under corrosion load by water inside of tubes, tanks and apparatus - Part 6: Influence of the composition of drinking water— 13 стр.
Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow - Technical rule of the DVGW; German version EN 1717:2000— 48 стр.
Industrial valves - Testing of valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements; German version EN 12266-1:2003— 16 стр.
Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000); German version EN ISO 228-1:2003— 11 стр.
Codes of practice for drinking water installations - Part 600: Drinking water installations in connection with fire fighting and fire protection installations; DVGW code of practice— 28 стр.
Water conduit for fire extinguishing - Planning, installation, operation and maintenance of fire hose systems and pillar fire hydrant and underground fire systems— 41 стр.
