蝶阀具有以下优点 Advantage of butterfly valve
1、启闭方便迅速、省力，流体阻力小，可以经常操作。
2、结构简单，体积小，重量轻。3、可以运送泥浆，在管道口积存液体最少。
4、低压下可以实现良好的密封。
5、调节性能好。
1、Convenient,fast and force- saved to open and close,small flow resistance.advailable to often operate.
2、No shock.no noise and stable,safe and reliable perfoemance.
3、Avaiable to carry the slurry,and little liquid storage at the outlet of pipe.
4、Avalable to realize good seal under low pressure.
5、Good adjusting perfoemance,
蝶阀的缺点如下 defect of butterfly valve
1、使用压力和工作温度范围小。
2、密封性相对较差。
1、Small range for use pressure and work temperature
2、No good seal