BS EN 14901-2006 球墨铸铁管、配件和附件.pdf
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1、BRITISH STANDARD BS EN 14901:2006 Ductile iron pipes, fittings and accessories Epoxy coating (heavy duty) of ductile iron fittings and accessories Requirements and test methods The European Standard EN 14901:2006 has the status of a British Standard ICS 23.040.10; 23.040.40; 25.220.60 BS EN 14901:20
2、06 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006 ISBN 0 580 48687 7 National foreword This British Standard is the official English language version of EN 14901:2006. The UK participation in its preparation was entrust
3、ed to Technical Committee PSE/10, Iron pipes and fittings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in
4、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 of a
5、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 proposa
6、ls for change, and keep 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 i
7、n this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments W - - - - - - - - - - - - 6 7 7 - - - - 7- - -$ * - - - $ * - -$ * - - $ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - W W D - - w - - - - EN 14901:2006 (E) 2 Co
8、ntents Page Foreword3 Introduction.4 1 Scope5 2 Normative references5 3 Terms and definitions .5 4 Ordering information.7 5 Technical Requirements.7 5.1 General7 5.2 Surface preparation.8 5.3 Appearance and continuity.8 5.4 Adhesion.8 5.5 Coating thickness8 5.6 Cross linkage .8 5.7 Repairs8 5.8 Mark
9、ing.9 6 Performance requirements.9 6.1 General9 6.2 Impact resistance.9 6.3 Indentation resistance.9 6.4 Non porosity.9 6.5 Cross linkage .9 6.6 Durability 9 6.7 Chemical resistance (only for sewage application) 10 6.8 Abrasion resistance (only for sewage application). 10 6.9 Materials in contact wi
10、th water intended for human consumption. 10 7 Test Methods. 10 7.1 Routine tests. 10 7.1.1 Surface preparation 10 7.1.2 Appearance . 10 7.1.3 Adhesion 10 7.1.4 Coating thickness. 11 7.1.5 Cross linkage 11 7.2 Performance tests. 11 7.2.1 General. 11 7.2.2 Impact resistance 11 7.2.3 Indentation resist
11、ance 11 7.2.4 Non porosity 12 7.2.5 Durability . 12 Annex A (informative) Quality assurance 13 A.1 General. 13 A.2 Performance type test, fitting and accessory size grouping. 14 A.3 Quality assessment system. 14 Annex B (informative) Coating materials and application . 15 B.1 General. 15 B.2 Coating
12、 application. 15 Annex C (informative) Handling, transportation and storage 16 C.1 Handling. 16 C.2 Transportation to storage areas 16 C.3 Storage. 16 C.4 Loading of fittings and accessories for delivery. 16 Bibliography. 17 EN 14901:2006 (E) 3 Foreword This document (EN 14901:2006) has been prepare
13、d by Technical Committee CEN/TC 203 “Cast iron pipes, fittings and their joints”, 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 November 2006, and conf
14、licting national standards shall be withdrawn at the latest by November 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia,
15、Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 14901:2006 (E) 4 Introduction This Standard is in conformity with the genera
16、l requirements already established by CEN/TC 164 in the field of water supply (e.g. potable water), CEN/TC 165 in the field of wastewater and CEN/TC 234 in the field of gas distribution. In respect of potential adverse effects on the quality of water intended for human consumption, caused by the pro
17、duct covered by this Standard: 1) this Standard provides no information as to whether the product may be used without restriction in any of the member states of the EU or EFTA; 2) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations conc
18、erning the use and/or the characteristics of this product remain in force. EN 14901:2006 (E) 5 1 Scope This European Standard defines the requirements and test methods for factory applied epoxy coatings (fusion bonded powder or liquid two-pack) used for the corrosion protection of ductile iron fitti
19、ngs and accessories conforming to EN 545, EN 598, EN 969, EN 12842, EN 14525, for: conveying water (e.g. potable water) at operating temperature up to 50 C excluding frost; or conveying waste water at operating temperature up to 45 C excluding frost; or conveying gas at operating temperature up to 5
20、0 C; suitable for external environments, i.e. soils, waters and atmospheres of all common corrosion loads, characterised in annex D3 of EN 545:2002. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the editio
21、n cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 545:2002, Ductile iron pipes, fittings, accessories and their joints for water pipelines Requirements and test methods. EN 598, Ductile iron pipes, fittings, accessories and
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