fisher control hand book.pdf

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1、CONTROLVALVEHANDBOOKFourthEditionNORTHAMERICALATINAMERICAEmersonProcessManagementEmersonProcessManagementMarshalltown,Iowa50158USASorocaba,SaoPaulo18087BrazilT1(641)754−3011T+(55)(15)238−3788F1(641)754−2830F+(55)(15)228−3300www.EmersonProcess.com/Fisherwww.EmersonProcess.com/FisherEU

2、ROPEMIDDLEEAST&AFRICAEmersonProcessManagementEmersonFZECernay68700FranceDubai,UnitedArabEmiratesT+(33)(0)389376400T+97148835235F+(33)(0)389376518F+97148835312www.EmersonProcess.com/Fisherwww.EmersonProcess.com/FisherASIAPACIFICEmersonProcessManagementSingapore128461SingaporeT+(65)677

3、78211F+(65)67770947www.EmersonProcess.com/FisherFisherisamarkownedbyFisherControlsInternationalLLC,amemberoftheEmersonProcessManagementbusinessdivisionofEmersonElectricCo.TheEmersonlogoisatrademarkandservicemarkofEmersonElectricCo.Allothermarksarethepropertyoftheirrespectiveowners.Th

4、econtentsofthispublicationarepresentedforinformationalpurposesonly,andwhileeveryefforthasbeenmadetoensuretheiraccuracy,theyarenottobeconstruedaswarrantiesorguarantees,expressorimplied,regardingtheproductsorservicesdescribedhereinortheiruseorapplicability.Wereservetherighttomodifyorim

5、provethedesignsorspecificationsofsuchproductsatanytimewithoutnotice.NeitherEmerson,EmersonProcessManagementnoranyoftheiraffiliatedentitiesassumesresponsibilityfortheselection,useandmaintenanceofanyproduct.Responsibilityfortheselection,useandmaintenanceofanyproductremainswiththepurcha

6、serandend-user.PrintedinU.S.A.EFisherControlsInternationalLLC2005D101881X012iiPrefacetoFourthEditionControlvalvesareanincreasinglyvitalcomponentofmodernmanufacturingaroundtheworld.Properlyselectedandmaintainedcontrolvalvesincreaseefficiency,safe-ty,profitability,andecology.TheControl

7、ValveHandbookhasbeenaprimaryreferencesinceitsfirstprintingin1965.Thisfourtheditionpresentsvitalinformationoncontrolvalveperformanceandthelatesttechnologies.DChapter1offersanintroductiontocontrolvalvesincludingdefinitionsforcommoncontrolvalveandinstrumentationterminology.DChapter2deve

8、lopsthevital