SpiralWoundGasketTypeofthegaskets:I.ThebasictypeSpiralWoundGasketisusedforthesplinewaytypedflange,IISWGwithinnerringwhichisusedfortheembeddedflangewithmaleandfemaleface,IIISWGwithouterringwhichisusedforthe***oothslip-on-weldingflange,IVSWGwithinnerandouterringwhichisusedforweldingneckflange.Materials:A.Strip/Hoop:CarbonSteel,304ss,316ss,316Lss,1Cr18Ni9T(321),etc.B.Ringmaterial:lowcarbonsteel,oCr13,oCr18Ni9,304,316,316L,etc.C.FillingMaterial:graphite,PTFE,Nonasbestospaperandasbestospaper.Technicalparameter:Temperature300℃Pressure15MPaPHValue0-14)