BS EN 246-2003 Sanitary tapware - General specifications for flow rate regulators.pdf
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1、BRITISH STANDARD BS EN 246:2003 Sanitary tapware General specifications for flow rate regulators The European Standard EN 246:2003 has the status of a British Standard ICS 91.140.70 ? BS EN 246:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committ
2、ee on 3 September 2003 BSI 3 September 2003 ISBN 0 580 42567 3 National foreword This British Standard is the official English language version of EN 246:2003. It supersedes BS EN 246:1992 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee B/504, Water s
3、upply, to Subcommittee B/504/8, Terminal fittings, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this
4、document may be found in the BSI Catalogue under the section entitled “ International Standards Correspondence Index” , or by using the “ Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a co
5、ntract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals
6、 for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover. The BSI copyright notice displayed
7、 in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 246 August 2003 ICS 91.140.70Supersedes EN 246:1989 English version Sanitary tapware - General specifications for flow rate re
8、gulators Robinetterie sanitaire - Spcifications gnrales des rgulateurs de jets Sanitrarmaturen - Allgemeine Anforderungen an Strahlregler This European Standard was approved by CEN on 16 July 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditio
9、ns for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three offic
10、ial versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Bel
11、gium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR N
12、ORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 246:2003 E EN 246:2003 (E) 2 Contents page Foreword3 1Scope 4 2Normative references 4 3Terms and definitions4 4Design
13、ation.5 5Marking Identification.5 6Materials5 6.1Chemical and hygienic characteristics .5 6.2Exposed surface condition and quality of coating.5 7Dimensions.5 7.1Flow rate regulators with internal thread 6 7.2Flow rate regulators with external thread .7 7.3Ball joint flow rate regulators .7 8Hydrauli
14、c characteristics9 8.1General9 8.2Flow rate .9 8.3Evaluation of the jet formation.12 9Mechanical performance of flow rate regulators under high temperature12 9.1General12 9.2Test method13 10Mechanical performance of flow rate regulators with plastic housing13 10.1General13 10.2Test method13 11Acoust
15、ic characteristics .14 11.1General14 11.2Procedure .14 11.3Requirements.14 Annex A (normative) Dimensions for the mounting of flow rate regulators on nozzle outlets of tapware .15 Bibliography17 ? EN 246:2003 (E) 3 Foreword This document (EN 246:2003) has been prepared by Technical Committee CEN /TC
16、 164, “Water supply“, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2004, and conflicting national standards shall be withdrawn at the latest
17、by Feburary 2004. This document supersedes EN 246:1989. In respect to potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this standard, it should be noted that, while awaiting the adoption of verifiable European criteria, existing natio
18、nal regulations concerning the use and/or the characteristics of this product remain in force. Annex A is normative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cze
19、ch Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. ? EN 246:2003 (E) 4 1 Scope This European Standard specifies: the dimensional, mechanical, hydrauli
20、c and acoustic characteristics with which flow rate regulators should comply; the procedures for testing these characteristics. This European Standard is applicable to: flow rate regulators intended to be mounted on tapware used with sanitary appliances in toilets, washrooms and kitchens (single tap
21、s, combination tap assemblies, mechanical mixing valves, thermostatic mixing valves); flow rate regulators used under the following pressure and temperature conditions: Table 1 Conditions for the use of flow rate regulators Limits of useRecommended limits for correct operation Dynamic Pressure0,05MP
22、aP 0,5 MPa (0,5 barP 5 bar) 0,1MPaP 0,5 MPa (1 barP 5 bar) Temperature 70 C 65 C Flow rate regulators can only be connected downstream of the obturator of the tap. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These norm
23、ative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated refe
24、rences the latest edition of the publication referred to applies (including amendments). EN 248, Sanitary tapware General specifications for electrodeposited coatings of Ni-Cr. EN ISO 3822-1, Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installation
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