The three-way ball valve is a relatively new type of ball valve. It possesses some unique advantages inherent to its structure, such as no friction during opening and closing, less wear on the seal, and smaller opening and closing torque. This enables the reduction of the specifications of the accompanying actuator. When paired with a multi-turn electric actuator, it can achieve the regulation of the medium and strict cut-off. It is widely used in industries such as petroleum, chemical engineering, and urban water supply and drainage, where strict cut-off is required. 

The working principle of the three-way ball valve is to make the valve open or closed by rotating the valve stem. The ball valve is easy to operate, has a small size, can be made with large diameters, has reliable sealing, a simple structure, is easy to maintain, and the sealing surface and the spherical surface are often in a closed state, which is not easily eroded by the medium. It is widely used in various industries. So, in daily use, what are the key points to pay attention to when installing and maintaining the ball valve? 

1. There should be a position left for the valve handle to rotate. 

2. Cannot be used for throttling. 

3. The ball valve with a belt drive mechanism should be installed vertically.