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    DIN EN ISO 11177-2016 Vitreous and porcelain enamels - Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply - Quality requirements .pdf

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    DIN EN ISO 11177-2016 Vitreous and porcelain enamels - Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply - Quality requirements .pdf

    1、October 2016 English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25.220.50!%n“2577556www.din.deDI

    2、N EN ISO 11177Vitreous and porcelain enamels Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply Quality requirements and testing (ISO 11177:2016);English version EN ISO 11177:2016,English translation of DIN EN ISO 11177:2016-10Emails und Emaillierun

    3、gen Innen und auenemaillierte Armaturen und Druckrohrformstcke fr die Roh und Trinkwasserversorgung Qualittsanforderungen und Prfung (ISO 11177:2016);Englische Fassung EN ISO 11177:2016,Englische bersetzung von DIN EN ISO 11177:2016-10maux vitrifis Robinetterie maille lintrieur et lextrieur et racco

    4、rds de tuyauterie pour conduites forces destines lalimentation en eau non traite et en eau potable Exigences de qualit et essais (ISO 11177:2016);Version anglaise EN ISO 11177:2016,Traduction anglaise de DIN EN ISO 11177:2016-10SupersedesDIN 51178:200910www.beuth.deDocument comprises 15 pagesDTransl

    5、ation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.09.16 DIN EN ISO 11177:2016-10 2 A comma is used as the decimal marker. National foreword This document (EN ISO 11177:2016) has been prepared by Technical Committee CEN/TC 262 “Metallic and o

    6、ther inorganic coatings” (Secretariat: BSI, United Kingdom) in collaboration with Technical Committee ISO/TC 107 “Metallic and other inorganic coatings”. The responsible German body involved in its preparation was DIN-Normenausschuss Materialprfung (DIN Standards Committee Materials Testing), Workin

    7、g Committee NA 062-01-63 AA Prfung von Emails und Emaillierungen. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 2178 ISO 6370-1 ISO 6370-2 ISO 13807 ISO 15695 ISO 16474-1 ISO 16474-2 ISO 28706-2 DIN EN ISO 2178 DIN ISO 6370-1 DIN ISO

    8、6370-2 DIN EN ISO 13807 DIN EN ISO 15695 DIN EN ISO 16474-1 DIN EN ISO 16474-2 DIN EN ISO 28706-2 Amendments This standard differs from DIN EN 51178:2009-10 as follows: a) the standard has been adopted as an EN ISO Standard; b) normative references have been updated. Previous editions DIN 51178: 200

    9、9-10 DIN EN ISO 11177:2016-10 3 National Annex NA (informative) Bibliography DIN EN ISO 2178, Non-magnetic coatings on magnetic substrates Measurement of coating thickness Magnetic method DIN ISO 6370-1, Vitreous and porcelain enamels Determination of the resistance to abrasion Part 1: Abrasion test

    10、ing apparatus DIN ISO 6370-2, Vitreous and porcelain enamels Determination of the resistance to abrasion Part 2: Loss in mass after sub-surface abrasion DIN EN ISO 13807, Vitreous and porcelain enamels Determination of crack formation temperature in the thermal shock testing of enamels for the chemi

    11、cal industry DIN EN ISO 15695, Vitreous and porcelain enamels Determination of scratch resistance of enamel finishes DIN EN ISO 16474-1, Paints and varnishes Methods of exposure to laboratory light sources Part 1: General guidance DIN EN ISO 16474-2, Paints and varnishes Methods of exposure to labor

    12、atory light sources Part 2: Xenon-arc lamps DIN EN ISO 28706-2, Vitreous and porcelain enamels Determination of resistance to chemical corrosion Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids and/or their vapours DIN EN ISO 11177:2016-10 4 This pa

    13、ge is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 11177 March 2016 ICS 25.220.50; 91.140.60 English Version Vitreous and porcelain enamels - Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply - Quality requirements a

    14、nd testing (ISO 11177:2016) maux vitrifis - Robinetterie maille lintrieur et lextrieur et raccords de tuyauterie pour conduites forces destines lalimentation en eau non traite et en eau potable - Exigences de qualit et essais(ISO11177:2016) Emails und Emaillierungen - Innen- und auenemaillierte Arma

    15、turen und Druckrohrformstcke fr die Roh- und Trinkwasserversorgung - Qualittsanforderungen und Prfung (ISO 11177:2016) This European Standard was approved by CEN on 23 January 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving th

    16、is 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 CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official

    17、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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Aust

    18、ria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swede

    19、n, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN

    20、 national Members. Ref. No. EN ISO 11177:2016 EForeword 4Introduction 51 Scope .62 Normative references 63 Terms and definitions .64 Sampling 75 Quality requirements and testing procedures 75.1 Enamelling surface quality .75.2 Coat thickness 75.3 Hardness .75.4 Resistance to thermal shock 75.5 Corro

    21、sion resistance to water and steam 75.6 Corrosion resistance to citric acid 85.7 Corrosion and chemical resistance to acid soil .85.8 Corrosion and chemical resistance to sub-surface migration of enamel after impact test .85.9 Corrosion resistance after scratch damage 85.10 Corrosion resistance afte

    22、r abrasion damage 95.11 Resistance to climatic exposure and ultraviolet radiation 95.12 Physiological harmlessness .96 Test report Bibliography .11Contents PageEN ISO 11177:2016 (E) DIN EN ISO 11177:2016-102European foreword .39European foreword This document (EN ISO 11177:2016) has been prepared by

    23、 Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” the secretariat of which is held by BSI, in collaboration with Technical Committee ISO/TC 107 “Metallic and other inorganic coatings”. This European Standard shall be given the status of a national standard, either by publicatio

    24、n of an identical text or by endorsement, at the latest by September 2016, and conflicting national standards shall be withdrawn at the latest by September 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC s

    25、hall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, D

    26、enmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement

    27、 notice The text of ISO 11177:2016 has been approved by CEN as EN ISO 11177:2016 without any modification. EN ISO 11177:2016 (E) DIN EN ISO 11177:2016-103 ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The

    28、work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-gover

    29、nmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in

    30、the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the pos

    31、sibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list

    32、of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as

    33、 information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationISO 11177 was prepared by the European Committee for Standardization (CEN) Technical Committee CEN/TC 262, Metallic and other inorganic coatings

    34、, in collaboration with Technical Committee ISO/TC 107, Metallic and other inorganic coatings, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).EN ISO 11177:2016 (E) DIN EN ISO 11177:2016-104 IntroductionThe requirements defined in this International S

    35、tandard regarding the product quality of enamelled valves and pressure pipe fittings for untreated and potable water supply take into account the real stress conditions to which a component can be subjected in the course of its operating life. Typical types of stress are: during storage: climate, UV

    36、 radiation, mechanical stress; during transportation: mechanical stress e.g. at certain points (impact), laterally (friction); during preparation for installation: cleaning agents, mechanical stress e.g. at certain points (impact), laterally (friction); during installation: mechanical stress; during

    37、 operation: abrasion caused by the carried medium, corrosion from surrounding medium, mechanical stress from shifting ground loads, UV radiation with valves built in above ground.EN ISO 11177:2016 (E) DIN EN ISO 11177:2016-105 1 ScopeThis International Standard specifies the requirements for product

    38、 quality and product testing of enamelled valves and pressure pipe fittings for untreated and potable water supply. It is not applicable for chemical service glass-enamel and apparatus enamel.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this docum

    39、ent and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 2178, Non-magnetic coatings on magnetic substrates Measurement of coating thickness Magnet

    40、ic methodISO 6370-1, Vitreous and porcelain enamels Determination of the resistance to abrasion Part 1: Abrasion testing apparatusISO 6370-2, Vitreous and porcelain enamels Determination of the resistance to abrasion Part 2: Loss in mass after sub-surface abrasionISO 16474-1, Paints and varnishes Me

    41、thods of exposure to laboratory light sources Part 1: General guidanceISO 16474-2, Paints and varnishes Methods of exposure to laboratory light sources Part 2: Xenon-arc lampsISO 13807, Vitreous and porcelain enamels Determination of crack formation temperature in the thermal shock testing of enamel

    42、s for the chemical industryISO 15695, Vitreous and porcelain enamels Determination of scratch resistance of enamel finishesISO 28706-2, Vitreous and porcelain enamels Determination of resistance to chemical corrosion Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling

    43、 neutral liquids and/or their vapoursEN 15771, Vitreous and porcelain enamels Determination of surface scratch hardness according to the Mohs scaleDIN 50929-3, Corrosion of metals Probability of corrosion of metallic materials when subject to corrosion from the outside Buried and underwater pipeline

    44、s and structural components3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1poredefect in the enamel coat passed through from the base materialEN ISO 11177:2016 (E) DIN EN ISO 11177:2016-106 3.2corrosionreaction of a material with its environment

    45、 causing a measurable change in the material which can lead to impaired function of a component or a complete system3.3sub-surface migrationtype of corrosion whereby the attack progresses underneath the protective layer parallel to the surface which can lead to separation of the protective layer fro

    46、m the base material4 SamplingSampling shall be agreed between contractual partners.5 Quality requirements and testing procedures5.1 Enamelling surface qualityThe enamelling shall be uniform and smooth and carried out in such a way on the sealing surfaces that the seal effect is not impaired.Slight v

    47、ariations in colour on edges and ridge areas do not impair product quality and are acceptable.Isolated pores are acceptable provided the dimension of an individual pore does not exceed 1 mm and that no more than 7 pores are visible on a surface segment with a diameter of approximately 35 mm.5.2 Coat

    48、 thicknessThe measurement of coat thickness shall be carried out using a calibrated test system in accordance with ISO 2178.On flat surfaces, coat thickness shall lie between 200 m and 600 m. In edge, undercut and ridge areas etc., the coat thickness shall be at least 150 m.5.3 HardnessSurface hardness shall be determined as surface scratch hardness in ac


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