Leakage from the gasket

References
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2）ASME BOILER & PRESSURE VESSEL CODE, SECTION VIII Division 1（1992）
3）JIS B 2206 Basis for calculation of aluminum alloy pipe flanges （1995）
4）JPI-7R-70 Guideline for use of piping Gaskets （1988）
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13）Mori, Non-Metals Data Book, JSA, 339 (1985)