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 - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing; German version EN 14812:2005— 17 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2: Isolating valves; German version EN 1074-2:2000— 9 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 5: Control valves; German version EN 1074-5:2001— 14 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 3: Check valves; German version EN 1074-3:2000— 7 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants; German version EN 1074-6:2008— 21 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2: Isolating valves; German version EN 1074-2:2000 + A1:2004— 16 стр.
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants; German version EN 1074-6:2004— 20 стр.
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B, type A; German version EN 12729:2002— 32 стр.
Drinking water supply from small units and non stationary plants - Part 2: Non stationary units - Guidelines for drinking water, planning, construction, operation and maintenance of units; Technical rule of the DVGW— 40 стр.
