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2 蝶板开启示意
Fig.2 Opening schematic of butterfly plate