一种双向压金属硬密封蝶阀  

Bilateral Metal Hardware Sealed Butterfly Valve

作　　者：张希恒[1] 姚晓春[1] 

机构地区：[1]兰州理工大学,甘肃兰州730050

出　　处：《石油化工设备》2009年第5期13-15,共3页Petro-Chemical Equipment

基　　金：甘肃省自然科学基金暨中青年科技基金项目(3ZS042-B25-013)

摘　　要：分析了偏心蝶阀在介质正向流动和反向流动的密封受力、阀杆的弯曲变形以及阀杆的弯曲变形对蝶阀密封的影响。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。The eccentric butterfly valve in the medium forward and reverse flow of sealing the force and bending deflection of the stem and the effect of stem, bending deflection on the butterfly valve seal in this paper were analyzed. 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.

关 键 词：蝶阀 偏心 金属硬密封 双向压 

分 类 号：TQ055.81[化学工程]