EN 917-1997 en Plastics Piping Systems - Thermoplastics Valves - Test Methods for Resistance to Internal Pressure and Leaktightness《塑料管道系统 热塑性塑料阀门 抗内压和防泄漏用试验方法》.pdf
《EN 917-1997 en Plastics Piping Systems - Thermoplastics Valves - Test Methods for Resistance to Internal Pressure and Leaktightness《塑料管道系统 热塑性塑料阀门 抗内压和防泄漏用试验方法》.pdf》由会员分享,可在线阅读,更多相关《EN 917-1997 en Plastics Piping Systems - Thermoplastics Valves - Test Methods for Resistance to Internal Pressure and Leaktightness《塑料管道系统 热塑性塑料阀门 抗内压和防泄漏用试验方法》.pdf(11页珍藏版)》请在麦多课文档分享上搜索。
1、 STD-BSI BS EN 727-ENGL 2777 Lb2Libb7 Ob23795 39T BRITISH STANDARD Plastics piping systems - Thermoplastics valves - Test methods for resistance to internal pressure and leaktightness The European Standard EN 917 : 1997 has the status of a British Standard ICs 23.060.01 NO COPYING WITHOUT BSI PERMIS
2、SION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 917 : 1997 BS 2782 : Part 11 : Methods 1134A and B : 1997 BS EN 917 : 1997 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PW61, Piastics piping systems and components, upon
3、 which the following bodies were represented: British Gas pic British Plastics Federation British Plumbing Fittings Manufxtures? Association British Valve and Actuator Manufacturers? Association Chartered Institution of Water and Environment Management Department of the Environment (British Board of
4、 Agrment) Department of the Environment (Builing Research Establishment) Department of ?kmsport Elecricity Association Heaith and Safety Executive Mtute of Building Control Institute of Materials institution of Civil Engineers Institution of Gas Engineers Natiod Association of Plumbing, Heating and
5、Mechanical Services Contsactors Pipeiine Industries Guild Plastics Land Drainage Manufacturem? Association Society of British Gas Industries Society of British Water Industries Water Companies Association Water Services Association of England and Wales The following bodies were also represented in t
6、he drafting of this standard, through subcommittees and panek ERA Technology Ltd. Engineering Equipment and Materials Users? Association WRA Technology Ltd. This British Standard, having been prepared under the direction of the Sector Board for Materiais and Chemicals, was published under the author
7、ity of the Standards Board and comes into effect on 15 July 1997 O BSI 1997 Amendments issued since publication Amd.No. Date I The following BSI references relate to the work on this standark Committee reference PRY61 Draft for cornent 9V47741 DC ISBN O 580 27385 7 STD-BSI BS EN 917-ENGL 1997 lbZqbb
8、9 Ob23947 Lb2 BS EN 917 : 1997 Contents Committees responsible National foreword page Inside front cover ii Foreword Method 1 Scope 2 Definitions 2 3 3 3 Method A: Long-tem pressure test 3 4 Method B Leaktightness Method 1134B corresponds to method B of EN 917 : 1997, leaktightness test (seat and pa
9、cking test) (see clauses 1 and 4). This European Standard has been prepared for reference by other standards under preparation by CEN for specification of plastics piping and ducting systems and components. It has been implemented to enable experience of the methods to be gained and for use for othe
10、r fresh appiications. It is also for use for the revision or amendment of other nationai standards as practicable, but it should not be presumed to apply to any existing standard or specification which contains or makes reference to a different test method until that standardspecication has been ame
11、nded or revised to make reference to this method and aciiust any requirements as appropriate. NOTE 1. In the descriptors, the term cocks should be read as vaives. The descriptors should have included leak tests, to reflect method B. Warning note. This British Standard, which is identical with EN 917
12、 : 1997, does not necessarily detail all the precautions necessary to meet the requirements of the Health and Safety at Work etc. Act 1974. Attention should be paid to any appropriate safety precautions and the method should be operated only by trained personnel Compliance with a British Standard do
13、es not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. u O BSI 1997 * * Kn STD-BSI BS EN 717-ENGL 1777 = 1b24bb7 Ob239V9 T35 EUROPE
14、AN STANDARD NORME EXJR0PEE”E EUROPAscHE NORM EN 917 January 1997 ICs 23.060.00 Descriptors: Plastic tubes, luid pipelines, thermoplastic resins, cocks, pressure tests, pressure resistance English vemion Plastics piping systems - Thermoplastics valves - Tkst methods for resistance to intemal pressure
15、 and 1eakbgh.e Systemes de camhations en plastique- Robines thermoplastiques - Mthodes dessai de la rsistance ia pression interne et de ltanchiti5 Kunststoff-Rohrlei-me - Armaturen aus Thermopiasten- prufverfahren fur die Widerstandsfahigeit gegen Innenchuck und die Dichtheit This European Standard
16、was approved by CEN on 199MB28. CEN members are bound to comply with the CEN/CENELEC intrnal Regdations which stipuak the conditions for giving this European Standard the status of a national standard without any alteration. Uptdate lists and bibiiographical references concerning such national stand
17、ards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). Aversion in any other language made by translation under the responsibility of a CEN member into its own language and notined to th
18、e CenW Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Swizerland and United Khgdom. CEN European
19、Committee for Stan-on Comit Europen de Normahation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1060 Brussels O 1997 Copynght reserved to CEN members Ref. No. EN 917 : 1997 E STD-BSI BS EN 717-ENGL 1997 LbZibbS 0b23750 757 Page 2 EN 917 : 1997 Foreword This European Stan
20、dard has been prepared by khnical Committee CENirC 155, Plastics piping systms and ducting systems, the secretariat of which is held by NNI. This standard is based on the draft intemationaJ Fressure test methods and requiremmts - Part 1: Genercd prepared by the International Organization for Standar
21、dization (ISO). It is a mocWcation of ISO/DIS 9393-1 for reasons of alignment with texts of other standards on test methods. The modincations are: standard ISODIS 939S1 Themnqplastics valves - - no performance requirements are given; - editorial changes have been introduced The materialdependent par
22、ametem and/or performance requirements are incorporated in the System standard(s) concerned Annex A, which is informative, gives a bibliography This standard is one of a seria of stan- on test methods which support System Standards for plastics piping systems and ducting systems. This European Stan-
23、 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 1997, and the latest by July 1997. According to the CENKENELEC Internal Regulations, the national standards organizations of the foilowing countries are bound to imp
24、lement this European Standard Austria, Belgium, Denmark, Finland, France, Ge-, Greece, Iceland, relan4 I-, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the Unitai Kingdom. conllicting national standards shall be withdrawn at O BSI 1997 STD-BSI BS EN 9Li-ENGL 3997 m Lb24b
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