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BS EN 246:2021

BS EN 246:2021

$102.76

Sanitary tapware. General specifications for aerators

Published By Publication Date Number of Pages
BSI 2021 22
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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] 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).

PDF Catalog

PDF Pages PDF Title
2 National foreword
5 European foreword
6 1 Scope
2 Normative references
7 3 Terms and definitions
4 Designation
4.1 Structure
4.2 Examples of designation:
8 5 Marking ā€“ Identification
6 Materials
6.1 Chemical and hygiene requirements
6.2 Exposed surface conditions
7 Dimensions
7.1 Aerators with female thread
9 7.2 Aerators with male thread
7.3 Special cases
8 Test sequence
10 9 Assembly
12 10 Performance of aerators without integrated flow regulators
10.1 Hydraulic Characteristics
10.1.1 General
10.1.2 Test procedure for aerators
10.1.3 Requirements
13 10.2 Mechanical performance under high temperature
10.2.1 General
10.2.2 Test method
10.2.3 Requirements
10.3 Acoustic characteristics for aerators without integrated flow regulators
10.3.1 General
10.3.2 Test method
14 10.3.3 Requirements
11 Performance of aerators with integrated flow regulators
11.1 Hydraulic characteristics
11.1.1 General
11.1.2 Test procedure
15 11.1.3 Requirements
16 11.2 Endurance test for aerators with integrated flow regulators
11.2.1 General
11.2.2 Test procedure
17 11.2.3 Requirements
12 Pressure resistance ā€“ housing with plastic threads
12.1 General
12.2 Test method
12.2.1 Assembly
12.2.2 Procedure
18 12.3 Requirements
19 Annex A (informative) Dimensions for the mounting of aerators on nozzle outlets of sanitary tapware
21 Bibliography

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BS EN 246:2021
$102.76