prEN 246

This document specifies: - the dimensional, mechanical, hydraulic and acoustic characteristics with which sanitary tapware aerators (with and without flow regulation) should comply; - the procedures for testing these characteristics. This document is applicable to: - Sanitary tapware aerators intended to be mounted on tapware used with sanitary appliances in toilets, bathrooms and kitchens (e.g. single taps, combination tap assemblies, mechanical mixing valves, thermostatic mixing valves); —-Sanitary tapware aerators used under the following pressure and temperature conditions: Note 1: Sanitary tapware aerators can only be connected downstream of the obturator of the sanitary tapware product. Note 2: For the purposes of brevity, sanitary tapware aerators will be detailed only as aerators in the rest of this document. Note 3: The tests described in this document are type tests (laboratory tests) and not quality control tests carried out during manufacture.