... condition; Gasket seal___Graphite spiral wound gasket: Uses expanded graphite tape as the filler material , which provides superior ... Range: static sealing element for pipe, valve, pump, thermal exchange, condensing motorcycle, auto vent-pipe, tower, plain ... 316L, etc.C. Nonmetal belt: flexible graphite, tailor-made graphite, PTFE and asbestos paper. Graphite spiral wound gasket(gasket seal, spiral ...