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21
新型蝶阀试样
Fig.21
New butterfly valve sample