Where is Changzhou Lanling electric stainless steel flange butterfly valve used? The electric butterfly valve can also be sealed with metal, which is a great guarantee for our use. At least it is metal, so its service life is relatively long, which can ensure that there will be no problems in the future long-term use. But the sealing performance is not very good, relatively speaking, it is not so good. Only when affected by the environment and temperature, this sealing property will not change. That is to say, it is not affected by temperature and pressure. We can use it safely in this process.
、 The pneumatic diaphragm pump is a pneumatic positive displacement self-priming pump. The pumping diagram on the right shows the flow mode of the pump before self-priming for the first time.
