... ability spiral wound gasket with inner ring and outer ring Spiral wound gasket with inner ring/centering ringThe spiral wound gasket ... type: basic type, with outer/cantering ring type/ with inner ring type/ with inner & outer ring Ring material: CS plated zinc, stainless ... Ti ,304, 316 ,316L,inconel,monel graphite, ptfe, asbestos,non-asbestosStandard: ASME,ASNI,JIS, JPI, ISO, DN spiral wound gasket ...