How is the Hongkou electric fluorine lining butterfly valve connected to the bellows? Secondly, there is a great demand for various types of electric butterfly valves in the industrial industry. Many consumers are puzzled by the choice of butterfly valves when they use them. But if we master the above knowledge, it will help us to judge the quality of products.
、 4. The operation is not complicated and heavy, and the switch is not very slow. The reason is that it only needs to rotate 90 degrees from full open to full close, because it can better exert the control force over a long distance.
