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1、--./MSSSP-8292m5770640b500123Tm’STANDARDPRACTICESP-821992EditionVALVEPRESSURETESTINGMETHODSDevelopedandApprovedbytheManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.127ParkStreet,N.E.Vienna,Virginia22180(703)2814613OriginallyApproved1976C
2、OPYRIGHTManufacturersStandardizationSocietyoftheValveandFittingsLicensedbyInformationHandlingServicesMSSSP-8292W577064005003243IMSSSTANDARDPRACTICESP-82AnMSSStandardPracticeisintendedasabasisforcommonpracticebythemanufacturer,theuser,andthegeneralpublic.Thee
3、xistenceofanMSSStandardPracticedoesnotinitselfprecludethemanufacture,saleoruseofproductsnotconformingtotheStandardPractice.Mandatoryconformanceisestablishedonlybyreferenceinacode,specification,salescontract,orpubliclaw,asapplicable.Substantivechangesinthis19
4、92editionare“flagged”byparallelbarsasshownonthemarginsofthisparagraph.ThespecificdetailofthechangemaybedeterminedbycomparingtheImaterialflaggedwiththatinthepreviousedition.IUS.cutomaryunitsintheSParethestandard;themetricunitsareforreferenceonly.Anypartofthis
5、standardmaybequoted.Creditlinesshouldread‘ExtractedfromMSSSP-82-1992,withpermissionofthepublisher,theManufacturersStandard-izationSociety.’ReproductionprohibitedundercopyrightconventionunlesswrittenpermissiònisgrantedbytheManufacturersStandardizationSocietyo
6、ftheValveandFittingsIndustry,Inc.CopyrightG,1976byManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.PrintedinU.S.A.COPYRIGHTManufacturersStandardizationSocietyoftheValveandFittingsLicensedbyInformationHandlingServicesMSSSP-8292m57706400580
7、L253mMSSSTANDARDPRACTICESP-82FOREWORDCommitteesandTaskForcespreparingstandardpracticescoveringvalvesareencouragedtodesignatepressuretestmethodsfromthegrouplistedherein.Themetricunitsgiveninparentheseswerederivedutilizingthefollowingconversionfactor,androunde
8、dtoappropriateaccuracy.ConversionFactorinchtomillimeter25.4psitobars0.0689FtoCc=-F-321.8CONTENTSPAGEFOREWORD...................ii1.SCOPE.....................12.DEFINITIONS...................13.G
