BS-EN-248-2002.pdf
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1、BRITISH STANDARD BS EN 248:2002 Sanitary tapware General specification for electrodeposited coatings of Ni-Cr The European Standard EN 248:2002 has the status of a British Standard ICS 91.140.70 ? BS EN 248:2002 This British Standard was published under the authority of the Standards Policy and Stra
2、tegy Committee on 29 January 2003 BSI 29 January 2003 ISBN 0 580 41165 6 National foreword This British Standard is the official English language version of EN 248:2002. It supersedes BS EN 248:1992 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee B/50
3、4, Water supply, 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 t
4、o in this 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
5、of a contract. 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 pr
6、oposals 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 9 and a back cover. The BSI copyright date displ
7、ayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 248 October 2002 ICS 91.140.70Supersedes EN 248:1989 English version Sanitary tapware - General specification for electrod
8、eposited coatings of Ni-Cr Robinetterie sanitaire - Spcifications gnrales des revtements lectrolytiques de Ni-Cr Sanitrarmaturen - Allgemeine Anorderungen fr elektrolytische Ni-Cr-berzge This European Standard was approved by CEN on 2 September 2002. CEN members are bound to comply with the CEN/CENE
9、LEC Internal Regulations which stipulate the conditions 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
10、 member. This European Standard exists in three official 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 memb
11、ers are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORM
12、ALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 248:2002 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 09:30:18 GMT+00:0
13、0 2006, Uncontrolled Copy, (c) BSI EN 248:2002 (E) 2 Contents page Foreword3 1Scope 4 2Normative references 4 3Terms and definitions4 4Exposed surfaces 4 4.1Condition of exposed surfaces 4 4.2Description of possible defects5 4.3Visual examination before tests.5 4.4Requirements.5 5Quality of coating.
14、5 5.1Corrosion resistance test - test with neutral saline spray.5 5.2Test for coating adherence - Test for resistance to thermal shock6 Annex A (informative) Image type extract from EN ISO 10289:20018 Annex B (informative) Test temperature tolerances in relation to test duration 9 EN 248:2002 (E) 3
15、Foreword This document (EN 248:2002) has been prepared by Technical Committee CEN /TC 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 b
16、y April 2003 and conflicting national standards shall be withdrawn at the latest by April 2003. This document supersedes EN 248:1989. In this European Standard Annexes A and B are informative. This standard complements product standards already published or draft standards being developed by CEN/TC
17、164/WG 8. (single taps and combination taps thermostatic mixing valves, jet regulators, mechanical mixing valves, waste outlet fittings.) which refer to this standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impl
18、ement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. EN 248:2002 (E) 4 1 Scope This European Standard specifies: the con
19、dition of the exposed surfaces of tapware ; the characteristics (resistance to corrosion, adherence) of the surface coating ; the tests for verifying these characteristics. It applies to all sanitary fittings (supply or waste fittings) which have a metallic Ni-Cr coating, whatever the nature of the
20、substrate material. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent ame
21、ndments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN ISO 10289:2001, Methods for corrosion testing of met
22、allic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests (ISO 10289:1999) ISO 9227, Corrosion tests in artificial atmospheres - Salt spray tests. 3 Terms and definitions For the purposes of this European Standard, the
23、 following terms and definitions apply. 3.1 exposed surfaces outside surfaces of tapware are the surfaces which are visible in use conditions 3.2 surfaces not considered as exposed surfaces : a) internal surfaces of, for example operating members, caps, knobs, etc. ; b) parts usually or always hidde
24、n by another component, e.g. linkage of a waste outlet fitting. 4 Exposed surfaces 4.1 Condition of exposed surfaces Exposed surfaces shall be protected against corrosion. EN 248:2002 (E) 5 4.2 Description of possible defects The different types of defects found on exposed surfaces are as follows :(
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