MSSSP-105-1996Reaffirmed2005InstrumentValvesforCodeApplicationsStandardPracticeDevelopedandApprovedbytheManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.127ParkStreet,NEVienna,Virginia22180Phone:(703)281-6613www.mss-hq.comFax:(703)281-6671e-mail:info@mss.hq.comCopyrightMSSProvidedbyIHSunderlicensewithMSSNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,``,`-`-`,,`,,`,`,,`---MSSSTANDARDPRACTICESP-105ThisMSSStandardPracticewasdevelopedundertheconsensusoftheMSSTechnicalCommittees115andtheMSSCoordinatingCommittee.ThecontentofthisStandardPracticeistheresultoftheeffortsofcompetentandconcernedvolunteerstoprovideaneffective,clear,andnon-exclusivespecificationthatwillbenefittheindustryasawhole.ThisMSSStandardPracticeisintendedasabasisforcommonpracticebythemanufacturer,theuser,andthegeneralpublic.TheexistenceofanMSSStandardPracticedoesnotinitselfprecludethemanufacture,sale,oruseofproductsnotconformingtotheStandardPractice.Mandatoryconformanceisestablishedonlybyreferenceinacode,specification,salescontract,orpubliclaw,asapplicable.Substantivechangesinthis1995editionare“flagged”byparallelbarsasshownonthemarginsofthisparagraph.Thespecificdetailofthechangemaybedeterminedbycomparingthematerialflaggedwiththatinthepreviousedition.Otherstandardsdocumentsreferredtohereinareidentifiedbythedateofissuethatwasapplicabletothisstandardatthedateofissueofthisstandard.SeeAnnexA.Thisstandardshallremainsilentontheapplicabilityofthoseotherstandardsofpriororsubsequentdatesofissueeventhoughprovisionsofconcernmaynothavechanged.Referencescontainedhereinwhicharebibliographicinnaturearenotedas“supp1emental’’inthetext.Anypartofthisstandardmaybequoted.Creditlinesshouldread