There is no doubt that the electric butterfly valve can be manually operated. Although many times in today's society are electrified, we will find that there are still some special times when it is very inconvenient to use electricity. Our product can't really play its own role. The impact on the final use is extremely serious. After all, even where there is no electricity, there are still times when such equipment needs to be used. This aspect cannot be ignored at all, so electric products can also be manually operated.

The structural length and overall height of the butterfly valve are small, the opening and closing speed is fast, and the valve has good fluid control characteristics. The structural principle of the butterfly valve is most suitable for making large diameter valves. When the butterfly valve is required to be used for flow control, the most important thing is to correctly select the size and type of the butterfly valve so that it can work properly and effectively. Generally, in throttling, regulating control and mud medium, the structure length is required to be short and the opening and closing speed is required to be fast (1/4 revolution). Low pressure cut-off (small differential pressure),