蝶閥的種類又很多，下面就給大家，來簡單的介紹一下：雙偏向蝶閥和中線蝶閥都是其中的一種，相信有大部分的人還是對雙偏心蝶閥和中線蝶閥不是很清楚。
There are many kinds of butterfly valves. Here's a brief introduction: the double eccentric butterfly valve and the midline butterfly valve are both one of them. I believe that most people are still unclear about the double eccentric butterfly valve and the midline butterfly valve.
雙偏心蝶閥：它是應用Z廣泛的，在閥桿軸心既偏離蝶板、也偏離本體，雙偏心的效果使閥門被開啟后蝶板能迅即脫離閥座，大幅度地消除了蝶板與閥座的不必要的過度擠壓、刮擦現(xiàn)象、減輕了開啟阻距、降低了磨損、提高了閥座壽命，但是碟板通過擠壓閥座造成的彈性變形產生的密封效果，對關閉的位置要求很高。
Double eccentric butterfly valve: it is widely used. When the valve stem axis deviates from both the center of the butterfly plate and the center of the body, the effect of double eccentric makes the butterfly plate quickly separate from the valve seat after the valve is opened, greatly eliminating unnecessary excessive squeezing and scraping between the butterfly plate and the valve seat, reducing the opening resistance, reducing wear, and improving the service life of the valve seat. However, the sealing effect of the disc plate is produced by the elastic deformation caused by squeezing the valve seat, The closing position is highly required.

中線型蝶閥：閥桿軸心，碟板，本體都是在同一位置，結構簡單，缺點的碟板和閥座始終是處于擠壓，刮擦狀態(tài)，磨損快，但是因為其密封材料在使用上受到溫度的限制。
Midline butterfly valve: the stem axis, disc center and body are all at the same position, which is simple in structure. The defective disc and valve seat are always in the extrusion, scraping state and wear fast, but their sealing materials are limited by temperature in use.
以上就是為大家介紹的有關上海良工閥門詳細的介紹,希望對您有所幫助.如果您有什么疑問的話,歡迎聯(lián)系我們.我們將以的態(tài)度,為您提供服務http://www.tjit022.com
The above is a detailed introduction to Shanghai Lianggong Valve, and we hope it will be helpful to you. If you have any questions, please contact us. We will provide you with our attitude http://www.tjit022.com