The closing part of a stainless steel three-way ball valve is a ball, which rotates around the centerline of the valve body to achieve opening and closing. The working principle of stainless steel three-way ball valve is to rotate the valve to make the valve open or closed. The ball valve switch is lightweight, small in size, and can be made into a large diameter, with reliable sealing, simple structure, and convenient maintenance. The sealing surface and spherical surface are often in a closed state, and are not easily eroded by media. It has been widely used in various industries.

The installation and maintenance of stainless steel three-way ball valves should pay attention to the following matters:
1. Leave a position for the valve handle to rotate;
2. It cannot be used for throttling;
3. Ball valves with transmission mechanisms should be installed vertically.
1、 Opening process:
1. In the closed position, the ball is mechanically pressed against the valve seat by the valve stem;
When the handwheel is turned counterclockwise, the valve stem moves in the opposite direction, and its bottom angular plane causes the ball to detach from the valve seat;
3. The valve stem continues to lift and interacts with the guide pin in the spiral groove of the valve stem, causing the ball to start rotating without friction;
4. Until it reaches the fully open position, the valve stem is lifted to the limit position, and the ball rotates to the fully open position.
2、 Closing process:
1. When closing, rotate the handwheel clockwise, and the valve stem will begin to lower and cause the ball to rotate away from the valve seat;
2. Continue to rotate the handwheel, and the valve stem is guided by the spiral groove embedded in it, causing both the valve stem and the ball to rotate by 90 ° simultaneously;
3. As it was about to close, the ball had already rotated 90 ° without contact with the valve seat;
4. In the final few turns of the handwheel rotation, the angular plane at the bottom of the valve stem mechanically wedges against the pressure ball, making it tightly press against the valve seat, achieving complete sealing.
The above is what the editor knows. If you have any better insights, please feel free to inquire or leave a message in the comments section!