Before selecting and purchasing the electric on-off butterfly valve, we should strictly understand the size and specification of this product, and whether it is completely consistent with the size and specification of the pipeline to be installed, which can better help people get more practical help in the use process. In addition, people who use this valve should also understand some details and key components of the entire product, The quality of these components will affect the service life of the whole valve, so it is necessary to have a more accurate grasp and understanding of these key components to better improve the use effect of the whole product. In addition, it is also necessary to have a detailed understanding of the electronic control system of the entire equipment, In this way, we can ensure that the whole electric drive can make better use of the power. Therefore, you can have a good understanding of the characteristics of this product, and then you can better ensure the improvement of the use effect. So before you buy, you should pay attention to these aspects mentioned above, to ensure that your friends can get more good help from the products you buy.

Classify according to main parameters (I) Classify vacuum valves according to pressure. Valves whose working pressure is lower than standard atmospheric pressure. Low pressure valves with nominal pressure PN less than 1.6MPa. Medium pressure valve is a valve with a nominal pressure of PN 2.5~6.4 MPa. High pressure valve with nominal pressure of PN10.0~80.0MPa. Ultra high pressure valves with nominal pressure PN greater than 100MPa.