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Description:Technical parameters: 1) Types of gasket: normal, with inner ring, with outer ring, with inner and outer ring and spacer for heat exchange equipment 2) Materials: frame and ring: A3, OCr13, 1Cr13, 1Cr18Ni9, 1Cr18Ni9Ti, 304, 316, 316L, monel 3) Stuffing materials: expandable graphite, asbestos 4) Temperature: -200 ~ 870°C 5) Pressure: 32Mpa 6) Specification: DN10 - 2000mm