BS EN 26553-1991 自动凝汽阀标志规范.pdf

BRITISH STANDARD BS EN 265531991 ISO 65531980 Specification for Marking of automatic steam traps The European Standard EN 265531991 has the status of a British Standard BS EN 265531991 This British Standard was published under the authority of the Standards Board and comes into effect on 29 November 1991 BSI 09-1999 The following BSI references relate to the work on this standard Committee reference PSE/7 Draft for comment 79/73052 DC ISBN 0 580 20217 8 Cooperating organizations The European Committee for Standardization CEN, under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries. AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franaise de normalisation GermanyDeutsches Institut fr Normung e.V. GreeceHellenic Organization for Standardization IcelandTechnological Institute of Iceland IrelandNational Standards Authority of Ireland ItalyEnte Nazionale Italiano di Unificazione LuxembourgInspection du Travail et des Mines NetherlandsNederlands Normalisatie-instituut NorwayNorges Standardiseringsforbund PortugalInstituto Portugus da Qualidade SpainAsociacin Espaola de Normalizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Institution Amendments issued since publication Amd. No.DateComments 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN 265531991 BSI 09-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 265533 National appendix NA inativeInside back cover National appendix NB inativeInside back cover w w w . b z f x w . c o m BS EN 265531991 ii BSI 09-1999 National foreword This British Standard has been prepared under the direction of the Piping Systems Components Standards Policy Committee. It is the English language version of EN 265531991 “Automatic steam traps Marking” published by the European Committee for Standardization CEN. It supersedes BS 60241981 which is withdrawn. EN 265531991 is identical with ISO 65531980 published by the International Organization for Standardization ISO. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does 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 4, an inside back cover and a back cover. This standard has been updated see copyright date and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 265531991 October 1991 UDC 621.646.9.057.6621.186.662-77 Descriptors Valves and fittings, traps drainage, water vapour, steam, automatic equipment, marking English version Automatic steam traps Marking ISO 65531980 Purgeurs automatiques de vapeur d’eau Marquage ISO 65531980 Kondensatableiter Kennzeichnung ISO 65531980 This European Standard was approved by CEN on 30 September 1991 and is identical to the ISO standard as referred to. CEN members are bound to comply with the CEN/CENELEC 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 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 Central 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, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat rue de Stassart 36, B-1050 Brussels CEN 1991 Copyright reserved to all CEN members Ref. No. EN 265531991 E w w w . b z f x w . c o m EN 265531991 BSI 09-1999 2 Foreword On the proposal of the Technical Committee CEN/TC 69 “Industrial Valves” CEN BT decided by resolution C67/1990 to the International Standard ISO 65531980, Automatic steam traps Marking to al Vote. This European Standard EN 26553 was approved by CEN on 2 July 1991. According to the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword2 0Introduction3 1Scope and field of application3 2Reference3 3General requirements3 4Mandatory marking3 5Optional markings3 6Additional markings3 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m EN 265531991 BSI 09-19993 0 Introduction The purpose of this International Standard is to establish certain basic requirements for the marking of automatic steam traps, and to give recommendations for additional ination markings. This International Standard has, in general, to be considered in conjunction with the specific requirements which may be agreed between the parties concerned. 1 Scope and field of application This International Standard specifies mandatory and optional markings for automatic steam traps. 2 Reference ISO 6552, Automatic steam traps Terminology1. 3 General requirements The specified markings shall be applied. either on the body, or on plates integral with the body or securely fixed on the body. In no case shall the markings be hidden by the fixing elements of the steam trap. 4 Mandatory marking The following items shall be mandatorily marked on the automatic steam traps Manufacturer’s name and/or trademark Maximum allowable pressure bar or MPa2 Maximum allowable temperature C Indication of the flow direction arrow 5 Optional markings Nominal pressure PN Maximum operating pressure, or maximum differential pressure, according to the relative significance of each one Shell material designation3 Nominal size DN Maximum test pressure bar or MPa 6 Additional markings A manufacturer having complied with the above requirements may a mark any of the above mentioned items in more than one place; for example, if an item is marked on the body, it may also be repeated on the identification plate; b add any other markings, for example, catalogue item numbers, providing that there is no risk of confusion between these markings and those mentioned above. 1 At present at the stage of draft. 2 1 bar 0,1 MPa 3 Preferably ISO reference. w w w . b z f x w . c o m 4 blank 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN 265531991 BSI 09-1999 National appendix NA inative The United Kingdom participation in the preparation of this European Standard was entrusted by the Piping Systems Components Standards Policy Committee PSE/- to Technical Committee PSE/7, upon which the following bodies were represented Amalgamated Engineering Union Association of Bronze and Brass Founders Association of Building Component Manufacturers British Chemical Engineering Contractors’ Association British Foundry Association British Gas plc British Maritime Technology British Plumbing Fittings Manufacturers’ Association British Valve and Actuator Manufacturers’ Association Chartered Institution of Building Services Engineers Copper Development Association Department of the Environment Property Services Agency Electricity Industry in United Kingdom Energy Industries Council Engineering Equipment and Materials Users’ Association Fire Extinguishing Trades Association GAMBICA BEAMA Ltd. Health and Safety cutive Institute of British Foundrymen Institution of Chemical Engineers Institution of Mechanical Engineers Institution of Water and Environmental Management Liquefied Petroleum Gas Industry Technical Association UK Pipeline Industries Guild Society of British Gas Industries Society of British Water Industries Water Companies Association Water Services Association of England and Wales West Midlands CBI National appendix NB inative The British Standard corresponding to the International Standard referred to in the text is as follows International StandardBritish Standard ISO 65521980BS 60231981 Glossary of technical terms for automatic steam traps Identical w w w . b z f x w . c o m BS EN 265531991 ISO 65531980 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would in the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel 020 8996 9000. Fax 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel 020 8996 9001. Fax 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Ination on standards BSI provides a wide range of ination on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic ination services are also available which give details on all its products and services. Contact the Ination Centre. Tel 020 8996 7111. Fax 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel 020 8996 7002. Fax 020 8996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retri system or transmitted in any or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel 020 8996 7070. 标准分享网 w w w .b z f x w .c o m 免费下载