Water conditioning equipment inside buildings - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing; German version EN 14812:2005/prA1:2006
€48.79
Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testing; German version EN 14652:2005/prA1:2006
€56.17
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/prA1:2006
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/prA1:2007
Water conditioning equipment inside buildings - Nitrate removal devices - Requirements for performance, safety and testing; German version EN 15219:2006/prA1:2007
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 plants; Technical rule of the DVGW
€105.42
Protection against pollution of potable water in drinking water installations and general requirements of devices to prevent pollution by backflow; German version prEN 1717:1994
€122.34
Backflow preventer with controllable reduced pressure zone - Family B - Type A; German version prEN 12729:1997
€84.58
Influence of materials on water intended for human consumption - Influence due to migration - Part 1: Test method for factory made products (except metallic and cementitious products); German version prEN 12873-1-1997
€69.91
Chemicals used for treatment of water intended for human consumption - Sand and gravel; German version prEN 12904:1997
€41.78
Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Definitions; Trilingual version prEN 12901:1997
€63.27
Disconnection devices without moving parts for the prevention of contamination of water by backflow - Specification for type AA air gaps; German version prEN 13076:1997
Disconnection devices without moving parts for the prevention of contamination of water by backflow - Specification for type AB air gaps; German version prEN 13077:1997
Disconnection devices without moving parts for the prevention of contamination of water by backflow - Specification for type AC air gaps with submerged feed incorporating an air inlet and an overflow from container; German version prEN 13078:1997
Influence of materials on water intended for human consumption - Organic materials; piping systems; colour and turbidity - Part 1: Test method; German version prEN 13052-1:1997
€77.20
