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WATER-TUBE BOILERS AND AUXILIARY - PDF
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1 IRISH STANDARD I.S. EN :2003 ICS WATER-TUBE BOILERS AND AUXILIARY National Standards Authority of Ireland Dublin 9 Ireland Tel: (01) Tel: (01) INSTALLATIONS - PART 12: REQUIREMENTS FOR BOILER FEEDWATER AND BOILER WATER QUALITY NSAI 2003 Údarás um Chaighdeáin Náisiúnta na héireann This Irish Standard was published under the authority of the National Standards Authority of Ireland and comes into effect on: November 6, 2003 NO COPYING WITHOUT NSAI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Price Code G
3 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN September 2003 ICS ; English version Water-tube boilers and auxiliary installations - Part 12: Requirements for boiler feedwater and boiler water quality Chaudières à tubes d'eau et installations auxiliaires - Partite 12: Exigences relatives à la qualité de l'eau d'alimentation et de l'eau en chaudière Wasserrohrkessel und Anlagenkomponenten - Teil 12: Anforderungen an die Speisewasser- und Kesselwasserqualität This European Standard was approved by CEN on 24 July 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 Management Centre 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart, CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. B-1050 Brussels Ref. No. EN :2003 E
4 EN :2003 (E) Contents page Foreword Scope Normative references Terms and definitions Conditioning Requirements Test of the chemical composition General Sampling Sampling points Analysis General Visual criteria Analysis methods...16 Bibliography
5 EN :2003 (E) Foreword This document (EN :2003) has been prepared by Technical Committee CEN/TC 269, "Shell and watertube boilers", the secretariat of which is held by DIN. 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 March 2004, and conflicting national standards shall be withdrawn at the latest by March The European Standard EN concerning water-tube boilers and auxiliary installations consists of the following Parts: Part 1: General. Part 2: Materials for pressure parts of boilers and accessories. Part 3: Design and calculation for pressure parts. Part 4: In-service boiler life expectancy calculations. Part 5: Workmanship and construction of pressure parts of the boiler. Part 6: Inspection during construction, documentation and marking of pressure parts of the boiler. Part 7: Requirements for equipment for the boiler. Part 8: Requirements for firing systems for liquid and gaseous fuels for the boiler. Part 9: Requirements for firing systems for pulverized solid fuels for the boiler. Part 10: Requirements for safeguards against excessive pressure. Part 11: Requirements for limiting devices of the boiler and accessories. Part 12: Requirements for boiler feedwater and boiler water quality. Part 13: Requirements for flue gas cleaning systems. Part 14: Requirements for flue gas DENOX-systems using liquified pressurized ammonia and ammonia water solution. Part 15: Acceptance tests. Part 16: Requirements for grate and fluidized bed firing systems for solid fuels for the boiler. CR Part 17: Guideline for the involvement of an inspection body independent of the manufacturer. Although these Parts can be obtained separately, it should be recognized that the Parts are inter-dependent. As such, the design and manufacture of water-tube boilers requires the application of more than one Part in order for the requirements of the standard to be satisfactorily fulfilled. NOTE Parts 4 and 15 are not applicable during the design, construction and installation stages. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. 3