全金属硬密封双向零泄漏三偏心蝶阀设计与分析
余瑞明,马云艳,池伟,沈宇忠

Design and analysis of all-metal hard sealing bidirectional zero-leakage triple eccentric butterfly valve
Ruiming YU,Yunyan MA,Wei CHI,Yuzhong SHEN
图13 阀腔出入口处流体的最大速度随开度的变化曲线
Fig.13 Variation curve of maximum velocity of fluid at the inlet and outlet of valve chamber with opening