_PTC_19-11_Edtn_2008.pdf

Steam and Water Sampling,Conditioning,and Analysis in the Power CyclePerformance Test CodesAN AMERICAN NATIO NAL STANDARDASME PTC 19.11-2008(Revision of ASME PTC 19.11-1997)Copyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME PTC 19.11-2008(Revision of ASME PTC 19.11-1997)Steam and WaterSampling,Conditioning,andAnalysis in the PowerCyclePerformance Test CodesAN AMERICAN NATIONAL STANDARDCopyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:August 6,2008This Code will be revised when the Society approves the issuance of a new edition.There will be noaddenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisdocument.Periodically certain actions of the ASME PTC Committee will be published as Code Cases.Code Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the 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 liability forinfringement of any applicable letters patent,nor assumes any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely 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 establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2008 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSNotice.vForeword.viCommittee Roster.viiiCorrespondence With the PTC 19.11 Committee.ixSection 1Object,Scope,and Application.1-1Object.11-2Scope.11-3Application.11-4Uncertainty.1Section 2Sample Point and Analysis Selection Criteria.22-1Introduction.22-2Thermal Power Generation Cycles.22-3Water Treatment Schemes.22-4Makeup.42-5Condensate.42-6Polisher Effluent.52-7Deaerator Inlet.52-8Deaerator Outlet.52-9Final Feedwater or Economizer Inlet.52-10Steam Generator Water.62-11Saturated Steam.62-12Superheated Steam(Including Reheat).62-13Feedwater Heater Drains.62-14Moisture Separator Reheater Drains.62-15Rotor Air Coolers.62-16Bibliography.7Section 3Obtaining the Sample.83-1Introduction.83-2Water Sampling.83-3Isokinetic Sampling.83-4Saturated Steam.83-5Superheated Steam.103-6Bibliography.103-7Further Reading.10Section 4Transporting the Sample.114-1Introduction.114-2Sample Line Construction.114-3Deposition.124-4Saturated Steam.124-5Superheated Steam.134-6Liquid Samples.154-7Bibliography.15Section 5Sample Conditioning.185-1Introduction.185-2Definitions.185-3Materials.185-4Valves and Fittings.18iiiCopyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written c