BPVC_2015_Section_VII.pdf

Recommended Guidelinesfor the Care of Power BoilersSECTION VIIASME BPVC.VII-20152015ASME Boiler andPressure Vessel CodeAn International CodeCopyrighted material licensed to University of Toronto by Thomson Scientific,Inc.().This copy downloaded on 2015-07-13 07:31:22-0500 by authorized user logan ahlstrom.No further reproduction or distribution is permitted.VIIRECOMMENDED GUIDELINESFOR THE CARE OF POWERBOILERSASME Boiler and Pressure Vessel Committeeon Power BoilersAN INTERNATIONAL CODE2015 ASME Boiler&Pressure Vessel Code2015 EditionJuly 1,2015Two Park Avenue New York,NY 10016 USACopyrighted material licensed to University of Toronto by Thomson Scientific,Inc.().This copy downloaded on 2015-07-13 07:31:22-0500 by authorized user logan ahlstrom.No further reproduction or distribution is permitted.Date of Issuance:July 1,2015This international code or standard was developed under procedures accredited as meeting the criteria forAmerican National Standards and it is an American National Standard.The Standards Committee that approvedthe code or standard was balanced to assure that individuals from competent and concerned interests havehad an opportunity to participate.The proposed code or standard was made available for public review and com-ment that provides an opportunity for additional public input from industry,academia,regulatory agencies,andthe public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liabilityfor infringement of any applicable letters patent,nor assume any such liability.Users of a code or standard areexpressly advised that determination of the validity of any such patent rights,and the risk of infringement of suchrights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the es-tablished ASME procedures and policies,which precludes the issuance of interpretations by individuals.The endnotes and preamble in this document(if any)are part of this American National Standard.ASME collective membership markCertification MarkThe above ASME symbol is registered in the U.S.Patent Office.“ASME”is the trademark of The American Society of Mechanical Engineers.No part of this document may be reproduced in any form,in an electronicretrieval system or otherwise,without the prior written permission of thepublisher.Library of Congress Catalog Card Number:56-3934Printed in the United States of AmericaAdopted by the Council of The American Society of Mechanical Engineers,1914;latest edition 2015.The American Society of Mechanical EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2015 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedCopyrighted material licensed to University of Toronto by Thomson Scientific,Inc.().This copy downloaded on 2015-07-13 07:31:22-0500 by authorized user logan ahlstrom.No further reproduction or distribution is permitted.TABLE OF CONTENTSList of Sections.viiForeword.ixStatement of Policy on the Use of the Certification Mark and Code Authorization in Advertising.xiStatement of Policy on the Use of ASME Marking to Identify Manufactured Items.xiSubmittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees.xiiPersonnel.xivOrganization of Section VII.xxxiSummary of Changes.xxxiiiList of Changes in Record Number Order.xxxivCross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code.xxxvSubsection 1Watertube Drum-Type Industrial Steam Boilers.1Article 100Fundamentals of Watertube Boilers.1100.1Steam Generation.1100.2Watertube Boilers.1100.3Boiler Assembly Types.2100.4Economizers.2100.5Superheaters.4100.6Combustion.5100.7Boiler Efficiency and Air Emissions.5Article 101Boiler Operation.6101.1General Guidelines.6101.2Preparing for Operation.8101.3Starting Up.10101.4Online Operation.12101.5Out-of-Service Operation.15Article 102Boiler Auxiliaries.18102.1Preparation of Auxiliaries for Service.18102.2Fuel-Burning Equipment.18102.3Air Heaters.22102.4Boiler Feed Pumps.25102.5Auxiliary Drives.26102.6Draft Fans.30102.7Dampers.31Article 103Appurtenances.32103.1Boiler Pressure Relief Valves.32103.2Pressure Relief Valves for Economizers and Auxiliaries.39103.3Transportation and Installation of Pressure Relief Valves.40103.4Water Columns,Gage Classes,and Level Transmitters.41103.5Boiler Blowdown.43103.6Pressure Gages.44103.7Feedwater Regulator Valve.44103.8Soot Blowers.45103.9Fusible Plugs.45Article 104Instrumentation,Controls,and Interlocks.46104.1General.46104.2Indicators and Recorders.46iiiCopyrighted material l