BS EN 751-1-1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Part 1.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 751-1 : 1997 The Eu
2、ropean Standard EN 751-1 : 1996 has the status of a British Standard ICS 91.140.40; 91.140.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Part 1. Anaerobic jointing c
3、ompounds BS EN 751-1 : 1997 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 July 1997 BSI 1997 The following BSI references relate to the work on this standard: Commi
4、ttee reference PSE/2 Draft for comment 94/708883 DC ISBN 0 580 27656 2 Amendments issued since publication Amd. No.DateText affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PSE/2, Jointing materials and compounds,
5、 upon which the following bodies were represented: Asbestos Information Centre Ltd. British Adhesives and Sealants Association British Compressed Gases Association British Hydromechanics Research Group Chartered Institution of Water and Environmental Management Energy Industries Council Industrial W
6、ater Society LP Gas Association Water Services Association of England and Wales BS EN 751-1 : 1997 BSI 1997i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 751-13 ii BSI 1997 BS EN 751-1 : 1997 National foreword This Part of BS EN 751 has been prepare
7、d by Technical Committee PSE/2, and is the English language version of EN 751-1 : 1996, Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Part 1: Anaerobic jointing compounds, published by the European Committee for Standardization (CEN). It s
8、upersedes BS 6956 : Part 7 : 1992 which is withdrawn. Cross-references International standardsCorresponding British Standard ISO 7-1BS 21 Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions) ISO 228-1BS 2779 Specification for p
9、ipe threads for tubes and fittings where pressure-tight joints are not made on the threads (metric dimensions) BS 5380 Specification for hydraulic port and stud coupling using O-ring sealing and Gseries fastening threads EN ISO 2160BS EN ISO 2160 Petroleum products, Corrosiveness to copper. Copper s
10、trip test EN 437BS EN 437 Specification for test gases, test pressure and categories of appliance, for gas appliances EN 10242BS EN 10242 Threaded pipe fittings in malleable cast iron Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This
11、document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 8, an inside back cover and a back cover. ? CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36,
12、B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. 751-1 : 1996 E EUROPEAN STANDARDEN 751-1 NORME EUROPE ENNE EUROPA ISCHE NORM December 1996 ICS: 21.140; 23.040.80 Descriptors: Pipe fittings, gas pipes, water pipes, hot water, threaded fittings, sealing materials, definitions, specific
13、ations, tests, effectiveness, marking English version Sealing materials for metallic threaded joints in contact with1st,2nd and3rd family gases and hot water Part1: Anaerobic jointing compounds Mate riaux de tanche ite pour raccords filete s en contact des gaz de la 1e re, 2e me et 3e me famille et
14、de leau chaude Partie 1: Composition de tanche ite anae robie Dichtmittel fu r Gewindeverbindungen in Kontakt mit Gasen der 1., 2. und 3. Familie und Heiwasser Teil 1: Anaerobe Dichtmittel This European Standard was approved by CEN on 1996-11-24. CEN members are bound to comply with the CEN/CENELEC
15、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 Central Secretariat or to any CEN m
16、ember. 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 Central Secretariat has the same status as the official versions. CEN memb
17、ers are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. ? Page 2 751-1 1996 BSI 1997 Foreword This European Standard has been prepared by Te
18、chnical Committee CEN/TC 108, Sealing materials and lubricants for gas appliances and gas equipment, the secretariat of which is held by NNI. 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 June 1
19、997, and conflicting national standards shall be withdrawn at the latest by June 1997. This European Standard consists of the following Parts: Part 1: Anaerobic jointing compounds Part 2: Non-hardening jointing compounds Part 3: Unsintered PTFE tapes This European Standard has been prepared under a
20、mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Sta
21、ndard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword2 Introduction3 1Scope3 2Normative references3 3Definitions4 4Classification of jointing co
22、mpounds4 5Requirements4 5.1Requirements to be met by the jointing compound as received4 5.2Requirements to be met by the jointing compound after assembly4 5.3Re-test4 6Test material and documentation5 6.1Test material5 6.2Test documentation5 7Test methods5 7.1Tests of the jointing compound as receiv
23、ed5 7.2Test of the jointing compound after assembly5 8Marking and Instructions7 8.1Marking on packages7 8.2Instructions7 ? Page 3 751-1 1996 BSI 1997 Table 1. Application of anaerobic jointing compounds FluidTemperature range C Pressure-limit barTypical application 1st, 2nd, 3rd family gases1) 220 t
24、o 1255gas appliances gas equipment installation hot water2)up to 1307heating systems 1)Some jointing compounds can be used for other applications. For such applications, which are outside the scope of this European Standard, the purchaser should consult the manufacturer. 2)Sealing properties and mec
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