Seismic Test Results of Air-Operated Valve Actuators for Nuclear Power Plants (Air-Operated Globe Valve (Cylinder Type))

R. Kubota, Y. Tsutsumi, Yoshinao Matsubara, S. Suzuki, S. Kumagai
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Abstract

It is believed that air-operated globe valves are able to operate during and after earthquakes, leading to maximum accelerations beyond the existing allowable acceleration for nuclear power plants in Japan (6 × 9.8 m/s2). In this work, this assumption is verified using a resonance shaking table for seismic testing at acceleration levels of 20 × 9.8 m/s2 (see Ref. [1]). Results show that the active components used in existing air-operated globe valve designs remain operable at 22 × 9.8 m/s2 (horizontal (X and Y) and vertical (Z) directions).
核电站气动阀门执行机构地震试验结果(气动截止阀(筒型))
据信,气动截止阀能够在地震期间和地震后运行,导致最大加速度超过日本核电站现有的允许加速度(6 × 9.8 m/s2)。在这项工作中,使用共振振动台在20 × 9.8 m/s2的加速度水平下进行地震试验,验证了这一假设(参见参考文献[1])。结果表明,现有气动截止阀设计中使用的主动元件在22 × 9.8 m/s2(水平(X和Y)和垂直(Z)方向上仍然可操作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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