提出了一种双向压金属硬密封蝶阀蝶板可逆回转机构，讨论了可逆回转机构的工作原理、受力分析及特点。
A new returnable actuator disk of metal seal structure butterfly valve was presented, and its principle, force analysis, characteristic of the actuator were discussed as well.
提出了一种双向压金属硬密封蝶阀，讨论了这种蝶阀的结构、工作原理、密封的可靠性及特点。
It also provides a bilateral metal hardware sealed butterfly valve, and the structure of butterfly valve, working principle, reliability and features of seal are discussed.
这种蝶阀的体积小、成本低、磨损少、寿命长、密封性好、可靠性高、维修方便，并具有双向密封。
The butterfly valve has the advantages of small volume, low cost, little abrasion, long service life, good sealing effect, high reliability, convenient maintenance and bidirectional sealing.
应用推荐