Metal Gasket.Basic type, with inner ring, with outer ring, with inner and outer rings, and gasket for heat exchange equipment; Metal Gasket.TYPES OF GASKET: Basic type, with inner ring, with outer ring, with inner and outer rings, and gasket for heat exchange equipment;MATERIALS ADOPTED: Skeleton and ring, A3 OCr13, 1Cr13, 1Cr18Ni9, 1Cr18Ni9Ti, 304, 316L Monel alloy, C-276, and zirconium;Packing: ...