Improved gasket design allows sealing at lower clamping pressures. 改善密封垫片的设计可以以较低的夹紧压力。
The leakage event of a non-asbestos gasket was taken place at the manhole flanged joint of a boiler after more than one-year service. 一台废热锅炉人孔用非石棉纤维橡胶垫片服役一年多后发生泄漏。
