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(1) How are ball valves classified ?
2023-04-23 15:48:37

Electric ball valves can be divided into various types according to their structure and characteristics.

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1.According to their structure and characteristics, electric ball valves can be divided into many types. According to the driving method, they can be divided into hydraulic driving, pneumatic driving and electric driving. Electric driving can also be divided into DC electric and electric driving electric driving.


2.According to the different actuators, it is mainly divided into two categories. One is angular travel, the other is linear travel. Angle travel electric valves control 90-degree rotation to reach both ends of the valve. Linear travel is to realize the up and down movement of the valve plate, which is usually used with equipment with a high degree of automation.


3.According to the control mode, it is divided into on/off type, floating point type and modulating type.


4.According to the material, it can be divided into brass, stainless steel, pvc, ductile iron and other ball valves.


5.According to the connection method, it is divided into welded ball valves, flanged ball valves, threaded ball valves.


6.According to the type of valve core, they can be divided into three types: fully slit valve core, semi-circular valve core and sectional valve core. The fully slit valve core has the largest passage and the largest flow rate, followed by the semi -circular one, and the sectional one is the smallest. 


7. According to the volume, it can be divided into small, medium and large electric ball valves.


8. According to the diameter of the inlet and outlet, it can be divided into specifications such as DN10 to DN200.


9. According to the form of the valve position, it can be divided into ordinary electric ball valves, electric butterfly valves, electric control valves, solenoid valves, electric gate valves, electric globe valves, etc., which are suitable for many situations.