The causes of electric valve wear may include:

1. Internal leakage of valve.

According to a comprehensive analysis of various gasification technologies, media, and processes, the sealing structure and seals of key parts are not only affected by the medium, but also the valve switching frequency is high, and are affected by the throttling structure of the valve's designed flow channel. When the medium flows through the valve, its flow rate is amplified, and the pressure difference before and after the ball valve also becomes larger, resulting in erosion of the valve sealing structure and sealing parts. This will cause wear of the sealing parts and sealing structural parts, leading to internal leakage. Improper design and processing dimensions of seals and sealing structural parts can also cause internal leakage of the valve.

2. The ball valve is leaking.

Factors such as unreasonable structural design of the valve stem and packing, excessive coaxiality between the valve ball and the valve stem, unreasonable or poor quality material selection of sealing structural parts and seals, etc., may cause the valve stem and packing to deviate from each other during the opening and closing process of the valve. The wear increases, and the mating surfaces of the valve stem and packing are severely worn, resulting in a continuous reduction in the actual sealing effect, and eventually the medium in the valve flow channel leaks along the axial direction of the valve stem.

3. Mechanical damage.

The sealing surface will be damaged by scratches, bumps, squeezes, etc. during the switching process; damage may also occur if the medium contains impurities.