Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A; German version EN 13433:2006— 28 стр.
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003); German version EN ISO 5167-1:2003— 41 стр.
Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow; German version EN 1717:2000; Technical rule of the DVGW— 53 стр.
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 1: Method of measurement (ISO 3822-1:1999 + Amd 1:2008); German version EN ISO 3822-1:1999 + A1:2008— 28 стр.
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 3: Mounting and operating conditions for in-line valves and appliances - Amendment 1 (ISO 3822-3:1997 + Amd 1:2009) (consolidated version)