Three-way ball valves are available in T-type and L-type. The T-type can interconnect three orthogonal pipelines and cut off the third channel, serving the functions of flow splitting and flow combining. The L-type three-way ball valve can only connect two mutually orthogonal pipelines and cannot keep the third pipeline connected at the same time; it only functions for flow distribution.
Features of Three-Way Ball Valves
1. Three-way ball valves feature a long service life, high flow capacity and low resistance.
2. Three-way ball valves are divided into single-acting and double-acting types according to their operating modes. The characteristic of the single-acting type is that once the power source fails, the ball valve will stay in the state required by the control system.
Advantages of Three-Way Ball Valves
1. Three-way ball valves have a simple structure, small size and light weight.
2. Low fluid resistance, and its resistance coefficient is equal to that of a pipe section of the same length.
3. Tight and reliable with good sealing performance, and are widely used in vacuum systems.
4. Easy to operate and quick to open. It only needs a 90° rotation from fully open to fully closed, which facilitates remote control.
5. Easy maintenance. The ball valve has a simple structure, and the sealing rings are generally movable, making disassembly and replacement convenient.
6. When fully open or fully closed, the sealing surfaces of the ball and the valve seat are isolated from the medium. No corrosion will occur on the valve sealing surfaces when the medium passes through.
7. Wide range of applications. The nominal diameter ranges from a few millimeters to several meters, and it can be applied from high vacuum to high pressure.
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