TEMA 11th Edition 2023第1部分美国管式换热器制造商标准(英文版).pdf

PREFACE EleventhEdition-2023 TheEleventh Edition of theTEMA Standardswas prepared bytheTechnical Committeeof theTubular Exchanger ManufacturersAssociation.Sectionshavebeenaddedtoprovidedirectionconcerningthedesignofonepass floatingheadsandType-Dhighpressure channelclosures.TheEleventhEditionintroduces anExchangerType Inspection whichhasinformation concerningnon-destructive examinationtechniques andremendationsfor TubeHeatExchangers.TEMAhasmodifiedthe HeatExchangerSpecificationSheettobetter define thedesign requirementsnecessarytospecifyaheatexchanger.ThisStandardhasbeenrevisedtoincludeweldcalculations for vertical support lugs,a clarification tothe mitigation oferosion of the tube ends dueto certain tube sideflows and a more detailed discussion concerning tube to tubesheet joints. units that make practical sense for manufacturers.The editor acknowledges the contributions of Raj Chhatrapati, M. Venkatesh, Sarath Kumar, and Parikshit Padture in this effort. Their insight and help are very much appreciated. TheeditracknowledgeswithappreciationthemanyyearsfserviceandcontributionsofSamDavisand CrisSmelley to the TEMATechnical Committee. MilesDuvall, Editor
CONTENTS Section Page MEMBERSHIP LIST.. TECHNICAL COMMITTEE .iv PREFACE. NOTES TO USERS.. vi N NOMENCLATURE 1 Size Numbering and Type Designation--Remended Practice. 1-1 2 Nomenclature of Heat Exchanger Components. 1-5 3 Definitions. 1-8 F FABRICATION TOLERANCES 1 External Dimensions, Nozzle and Support Locations . 2-1 2 RemendedFabrication Tolerances 2-2 3 TubesheetsPariionsoversandFlang 2-4 4 Flange Face Permissible Imperfections.. 2-5 5 Peripheral Gasket Surface Flatness 2-7 G GENERAL FABRICATION AND PERFORMANCE INFORMATION Heat Exchanger Specification Sheets. 3-1 2 Inspection and Shop Operation 3-1 3 Nameplates. 3-11 4 Drawings and Code Data Reports. 3-11 5 Guarantees.. 3-12 6 Preparation of Heat Exchangersfor Shipment. 3-13 7 General Construction Features of TEMA Standard Heat Exchangers... ..3-14 INSTAL...