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.
Acoustics; laboratory tests on noise emission from appliances and equipment used in water supply installations; method of measurement; identical with ISO 3822/1, edition 1983— 13 стр.
Acoustics; laboratory tests on noise emission from appliances and equipment used in water supply installations; mounting and operating conditions for draw-off taps; identical with ISO 3822/2, edition 1984— 7 стр.