MSS SP-88-2010 隔膜阀 Diaphragm Valves

MSSSP-88-2010DiaphragmValvesStandardPracticeDevelopedandApprovedbytheManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.127ParkStreet,NEVienna,Virginia22180Phone:[phone]Fax:[phone]e-mail:[e-mail]‘supplemental’inthetext.”UnlessotherwisespecificallynotedinthisMSSSP,anyStandardreferredtohereinisidentifiedbythedateofissuethatwasapplicabletothereferencedStandard(s)atthedateofissueofthisMSSStandardPractice(SeeAnnexB).InthisStandardPracticeallnotes,annexes,tables,andfiguresareconstruedtobeessentialtotheunderstandingofthemessageofthestandard,andareconsideredpartofthetextunlessnotedassupplemental.Allappendicesappearinginthisdocumentareconstruedassupplemental.Supplementalinformationdoesnotincludemandatoryrequirements.Substantivechangesinthis2010editionare“flagged”byparallelbarsasshownonthemarginsofthisparagraph.Thespecificdetailofthechangemaybedeterminedbycomparingthematerialflaggedwiththatinthepreviousedition.U.S.customaryunitsinthisStandardPracticearethestandard;metric(SI)unitsareforreferenceonly.AnypartofthisStandardPracticemaybequoted.Creditlinesshouldread`ExtractedfromMSSSP-88-2010withpermissionofthepublisher,ManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.'.ReproductionprohibitedundercopyrightconventionunlesswrittenpermissionisgrantedbyManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.OriginallyApproved:January1978Copyright©,1978,1983,1993,2010byManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.PrintedinU.S.A.MSSSTANDARDPRACTICESP-88iiTABLEOFCONTENTSSECTIONPAGEPURPOSE...........................................................................................................................................11SCOPE................................................................................................................................................12PRESSURE-TEMPERATURERATINGS........................................................................................13DIAPHRAGMS..................................................................................................................................24BODY-BONNETJOINTS..................................................................................................................25BODYMATERIALS..........................................................................................................................36BONNETS..........................................................................................................................................37BODYFACE-TO-FACEDIMENSIONS...........................................................................................38BODYENDCONNECTIONSANDWALLTHICKNESS..............................................................39ACTUATORAPPLICATIONREQUIREMENTS............................................................................310SHELLTESTS....................................................................................................................................411SEATTESTS......................................................................................................................................412MARKING..........................................................................................................................................5TABLEA1MaximumServicePressure-Ratingsat100F(38C)forCategoryBValves(StandardValvesSection2.2)...........................................................................................................................................6A2CommonlyUsedFace-To-FaceDimensionsofFlangedDiaphragmValves.......................................7A3StandardsApplicabletoBodyWallThicknessandtheDimensionsofThreaded,Flanged,andButtWeldBodyEndConnectionsforCategoryAandCategoryBValvesOnly........................................8A4BodyMaterialsStandards.....................................................................................................