4、 At present, the super large air separation units are mostly used in the chemical industry. Many large-scale coal chemical industries are built in remote areas such as Inner Mongolia. At this time, the impact of the environment on the valves should also be considered. For example, the harsh low temperature environment requires the selection of valve accessories (including positioners, solenoid valves, etc.) suitable for this environment.

Can butterfly valves be used on steam pipes? If it is used for steam pipeline, butterfly valve is not recommended. Because the pressure inside the butterfly valve is large, it is difficult to open and close, and the sealing surface is easily damaged, so it cannot be opened and closed frequently, and its performance is inferior to that of gate valve;