1 fluid resistance is small.
2 simple structure, small size, light weight.
3 close and reliable, ball valve sealing surface material widely used plastic, good sealing.
4 easy operation, open and close rapidly.
5 maintenance is convenient.
6 in the fully open or fully closed, the ball and valve seat sealing surface and the dielectric isolation.
7.wide range of applications.
8. has a high safety.