Abstract
Gate valve is widely used for regulating flow and pressure of the pipeline in water conservation and chemical industry. High-precision, safe and efficient gate valve is a challenge for pipeline transportation. Suffered from the impact of the fluid, the gate valve is apt to be abraded and cause failure. This paper was based on the CAD/CAE (Computer Aided Design/ Computer Aided Engineering) system. Besides,this paper carried out researches on the influence of factors, including the fluid medium, the flow velocity, the wall thickness of gate valve body and the cross brace. In addition, the stress of the gate valve body was also in this paper studied. The simulation based on UG demonstrated the improvement of the gate valve stress.
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