Sanitary tapware. General specifications for aerators

Sanitary tapware. General specifications for aerators

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1   Scope

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 (see Table 1).
Table 1 — Conditions for the use of aerators
  Limits of use Recommended limits for correct operation
Dynamic Pressure 0,05 MPa ≤ P ≤ 0,5 MPa
(0,5 bar ≤ P ≤ 5 bar)		 0,1 MPa ≤ P ≤ 0,5 MPa
(1 bar ≤ P ≤ 5 bar)
Temperature ≤ 70 °C ≤ 65 °C

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.

NOTE 4 Aerator swivels are to be tested in combination with a specific aerator only and are therefore considered to be sanitary tapware accessories. (Testing of the stand-alone swivels is therefore not covered by the scope of this document. Where swivels are used they are considered to be part of the tapware constructions, e.g. for bidet taps).