What does the remote control of Jiading electric flange ventilation butterfly valve mean? Second, the U-shaped sealing ring of the product can ensure certain elasticity and excellent sealing even at high or low temperatures;
、 Secondly, attention should be paid to the material when selecting electric butterfly valves. The main materials are cast iron, cast steel and stainless steel. These materials all have their own advantages and disadvantages. They must be cast iron. Such products are relatively easy to rust. In the process of use, with the increasing age, such products will corrode with thick lines. In general, the service life is relatively short, so many people do not like this material very much, because people do not want to choose this material products. This has a great impact on oneself.