Research on Open and Close Characteristics of Passive Shuttle-Type Anti-Water-Attack Check Valve


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Water-attack is very harmful to pressure pipeline system security. Passive shuttle-type anti-water-attack check valve can adjust its open and close time by hydraulic damper, and cushion the rapid change of liquid momentum in order to protect the pumps and pipelines. The structure and working principle of this passive check valve are introduced, and the dynamics model is set up. The opening and closing characteristics of the model is analyzed, and simulation comparison is done between the flow field and pressure change laws of shuttle-type check valve and those of swing check valve. The simulation result shows that the hydraulic damper works very well, the flow field of passive shuttle-type check valve is symmetrical, the forces acting on the shuttle is balanceable, and shuttle-type check valves can replace swing check valves in many fields.



Key Engineering Materials (Volumes 474-476)

Edited by:

Garry Zhu




B. P. Xiang et al., "Research on Open and Close Characteristics of Passive Shuttle-Type Anti-Water-Attack Check Valve", Key Engineering Materials, Vols. 474-476, pp. 2290-2295, 2011

Online since:

April 2011




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