Chemicals used for treatment of water intended for human consumption. Calcium hypochlorite
€316.00
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
Dosing apparatus for drinking water treatment; requirements, testing, operation; DVGW code of practice
€48.79
Influence of materials on water intended for human consumption - Organic materials; pipes, fittings and their coatings used in piping systems; odour and flavour assessment of water - Part 1: Test method; German version prEN 1420-1:1994
€56.17
Technical directives for drinking water installation (TRWI) - Fire fighting and fire protection installations - Technical directive of the DVGW
Mechanical filters for drinking water installations; requirements, testing (DVGW code of practice)
€41.78
Chemicals used for treatment of water intended for human consumption - Sand and gravel; German version prEN 12904:1997
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
Disconnection devices without moving parts for the prevention of contamination of water by backflow - Specification for type AD air gaps with injector; German version prEN 13079:1997
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
