The stability of the output pressure of the pressure reducing valve and the fast response to stable output pressure are important performance indicators of the pressure reducing valve.Based on the structure and working principles of a cer-tain type of reverse acting pressure reducing valve,the simulation analysis model of each component of the pressure reducing valve is constructed by using AMESim numerical simulation software to study the pressure flow characteristics and dynamic characteristics of the pressure reducing valve.The correctness of the simulation model is verified by building a testing plat-form for the operation of the pressure reducing valve.By changing the values of different basic parameters in the model,the influence of different structural parameters on the dynamic characteristics of the pressure reducing valve is studied,providing theoretical support for the design and parameter optimization of similar pressure reducing valves.
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