A finite element calculation and a leakage rate test were carried out in order to investigate the tightness performance of a corrugated gasket bolted flanged connections system. Based on a detailed finite element model of the bolted flange connection, gasket stresses and deformations were determined for room temperature operating conditions. Leakage testes were then performed to acquire leakage data at different gasket compression stresses and different internal pressures. The data was fit to a leakage rate formula. Additional analysis was performed to investigate the influence of temperature.

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