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介绍了一种泵系统水锤控制及防护的可控逆止阀结构及控制系统，采用合理的结构流型流动阻力小，利用无动力液压系统控制阀板关闭。试验结果表明，该阀可有效控制水锤压升，降阻效果较好。
A controllable check valve structure and control system for water hammer control and protection of pump system is introduced. The flow resistance of a reasonable structure flow pattern is small, and the valve plate is closed by using a non-powered hydraulic system. The test results show that the valve can effectively control the water hammer pressure, reducing the resistance better.