Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers; Amendment A1; German version EN 973:2002/A1:2003— 5 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.
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 1: Method of measurement (ISO 3822-1:1999); German version EN ISO 3822-1:1999— 14 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 (ISO 3822-3:1997); German version EN ISO 3822-3:1997— 7 стр.
Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1: Method for water with low contamination (ISO 10304-1:1992); German version EN ISO 10304-1:1995— 24 стр.
Water quality - Determination of 33 elements by inductively coupled plasma atomic emission spectroscopy (ISO 11885:1996); German version EN ISO 11885:1997— 22 стр.
Water conditioning equipment inside buildings - Softeners - Requirements for performance, safety and testing; German version EN 14743:2005+A1:2007— 26 стр.
Water conditioning equipment inside buildings - Softeners - Requirements for performance, safety and testing; German version EN 14743:2005+A1:2007— 26 стр.
Drinking water supply from small units and non stationary plants - Part 1: Small units - Guidelines for drinking water, planning, construction, operation and maintenance of plants; Technical rule of the DVGW— 32 стр.
