... tee,elbow,gasket,nipple and etc. SpecificationsMetal spiral wound gasket: 1.Graphite,PTFE,asbestos as filler 2.Materials:316,304,CS ... form gasketGasket with an inner ring Tongue and groove flange(T & F)Basic form gasketGasket with an inner ring Flat and ... -44,API 605,DIN,JIS,JPI,BS 1560,JG/T,GB/T,HG,SH, etc. Or the demands can be designated in detail ...