1, The fluid resistance is small, the resistance coefficient witn the length of pipe section is the same.
2, Simple structure, small size, light weight.
3, Closeness and reliable, ball valves seal surface material is usually used plastic, it is widely used in vacuum.
4, Operation is easy, open and close is quickly, from fully open to fully closed as long as the rotation 90 ° , to facilitate remote control.
5, Easy maintenance, ball valves structure is simple, the sealing is activities, dismounting and replacement is convenient.