=90092750024b95824=ANAMERICANNATIONALSTANDARDFERROUSPISTONRINGS(200to1000mmDiameter)ANSI/ASMEB205.1-1978SPONSOREDANDPUBLISHEDBYTHEAMERICANSOCIETYOFMECHANICALENGINEERSUnitedEngineeringCenterNewYork,N.Y.1O017345East47thStreetCopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=UniversityofAlberta/5966844001,User=trert,rtyrtyrtyNotforResale,03/07/201513:27:32MSTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,``,`,`,`,,,,`,```,`,,``,,,``-`-`,,`,,`,`,,`---90092750024bîb7bO.mDateofIssuance:February28,1979Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepub¡isher.Copyright@1979byiHEAMERICANSOCIETYOFMECHANICALENGINEERSAllRightsReservedPrintedinU.S.A.CopyrightASMEInternationalProvidedbyIHSunderlicensewithASMELicensee=UniversityofAlberta/5966844001,User=trert,rtyrtyrtyNotforResale,03/07/201513:27:32MSTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,``,`,`,`,,,,`,```,`,,``,,,``-`-`,,`,,`,`,,`---FOREWORDAtameetingheldinChicagoonOctober31,1951betweentheringmanufacturersandtheengineersoftheDieselenginemanufacturers,itwasbroughtoutthatthelackofstandardsonringsabovetheSAEdiameterlimithaveresultedinmuchconfusionandincreasedcostsduetotoolingandspecialSet-up,aswellaslackofinterchangeability.Itwasrecommendedthatacommitteebeorganizedtodrawupringstandardsforthediameterrangeabove8inches,whichwouldservearingguideforfutureenginedesigns.Therewasnothoughttousethesestandardsforpresentenginesorservicereplacementsasthiswouldbeanimpossibleaccomplishmentunlessincorporatedwhenpistonreplacementsweremade.AcommitteewasorganizedoftheringmanufacturersandasecondmeetingwasheldatDetroitonJanuary15,1952.Atthismeetingproposedstandardsforringspecificationswereapprovedbyallmembersofthecommittee.SincethisrangeofringsizesisbeyondthescopecoveredbytheSAE,andsincetheDieselfieldiswellcoveredbytheDieselandGasEngineDivisionoftheASME,itwasrequestedthatthoseringsbemadeanASMEstandard.Adraftoftheproposedst...