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.
Water conditioning equipment inside buildings - Mechanical filters - Part 1: Particle rating 80 µm to 150 µm - Requirements for performances, safety and testing; German version EN 13443-1:2002+A1:2007— 27 стр.
Water conditioning equipment inside buildings - Mechanical filters - Part 2: Particle rating 1 µm to less than 80 µm - Requirements for performance, safety and testing; German version EN 13443-2:2005+A1:2007— 61 стр.
Water conditioning equipment inside buildings - Electrolytic treatment systems with aluminium anodes - Requirements for performance and safety, testing; German version EN 14095:2003— 18 стр.
Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testing; German version EN 14652:2005+A1:2007— 64 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 - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing; German version EN 14812:2005+A1:2007— 21 стр.
Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testing; German version EN 14897:2006+A1:2007— 30 стр.
Water conditioning equipment inside buildings - Active media filters - Requirements for performance, safety and testing; German version EN 14898:2006+A1:2007— 32 стр.
Water conditioning equipment inside buildings - Nitrate removal devices - Requirements for performance, safety and testing; German version EN 15219:2006+A1:2007— 28 стр.
Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testing; German version EN 14897:2006+A1:2007— 30 стр.
Water conditioning equipment inside buildings - Adjustable chemical dosing systems - Requirements for performance, safety and testing; German version EN 15848:2010— 16 стр.
Water conditioning equipment inside buildings - Nitrate removal devices - Requirements for performance, safety and testing; German version EN 15219:2006+A1:2007— 28 стр.
Water conditioning equipment inside buildings - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing; German version EN 14812:2005+A1:2007— 21 стр.
Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testing; German version EN 14652:2005+A1:2007— 64 стр.
Water conditioning equipment inside buildings - Active media filters - Requirements for performance, safety and testing; German version EN 14898:2006+A1:2007— 32 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 - Mechanical filters - Part 2: Particle rating 1 µm to less than 80 µm - Requirements for performance, safety and testing; German version EN 13443-2:2005+A1:2007— 61 стр.