Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B; German version EN 13077:2003
€69.91
Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method; German version prEN 14718:2003
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G; Type A; German version prEN 13433:2003
€91.03
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, hydraulic actuated - Family G; Type B; German version prEN 13434:2003
Codes of practice for drinking water installations (TRWI); examples for calculation; DVGW code of practice
€122.34
Drinking water supply systems; drinking water protection and drinking water quality control (DVGW code of practice)
€77.20
Drinking water supply systems; pressure boosting and reduction (DVGW code of practice)
Drinking water supply systems; fire fighting installations (DVGW code of practice)
€56.17
Drinking water supply systems; prevention of corrosion and scaling (DVGW code of practice)
€48.79
Drinking water supply systems; operation (DVGW code of practice)
€63.27
Water softeners for use in drinking water supply installations; requirements and testing (DVGW code of practice)
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Citric Acid; German and English version prEN 18268:2025
€84.58
Water supply. Requirements for systems and components for the storage of water
€316.00
Drinking Water Pipe Installations on Premises; Technical Specifications for Installation and Operation
Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate
€50.00
