... ; Gasket seal___Graphite spiral wound gasket: Uses expanded graphite tape as the filler material , which provides ... soft non-metallic packingFiller: flexible graphiteInner/ Outer Ring: Carbon Steel, SS304, SS316, Monelworking temperature: -200__870working pressure: ... carbon steel, 304, 316, 316L, etc.C. Nonmetal belt: flexible graphite, tailor-made graphite, PTFE and asbestos paper. Graphite ...