燃气调节阀低扭矩优化设计及试验研究
刘广奥,陈英龙,罗畅敏,闫博,高飞

Optimization design and experimental study of gas control valve with low torque
Guang'ao LIU,Yinglong CHEN,Changmin LUO,Bo YAN,Fei GAO
图13 前后端面积差不同的阀座
Fig.13 Valve seats with different front and rear end areas