Spiral Wound Metal Gasket Material: Metal tape + Expanded Graphite / PTFE Spiral wound metal gasket : Spiral wound gasket (basic ... ,316L,321,Ta Mon400, Inconel, asbestos (graphite, PTFE, mica, ceramic) tape used for special-purposed equipments.Equipment: It is used ... outer ringRaised face6000 IORWith inner and outer rings6000 HFor heat exchangerHeat exchangerWe can produce according to ASME, BS, ...