Vattenförsörjning - Invändig utrustning - System för kemisk dosering - Krav på utförande och säkerhet, provning

This European Standard specifies definitions, principles of construction (but not dimensions) and design, requirements on performance and operation as well as methods for testing the performance of chemical preset dosing systems for conditioning water intended for human consumption inside buildings (see [7]) which are permanently connected to the mains supply.