1), small flow resistance.
2), simple structure,
3), small volume, light weight;
4), the ball valve sealing surface of the plastic material selection, sealing well;
5), easy to operate, open and close quickly, to facilitate remote control;
6), convenient maintenance, sealing ring, which generally remove easy to change;
7), hard seal ball valve fully open or fully closed, the ball and seat sealing surface and the dielectric isolation, medium by do not cause the abuse of valve sealing surface
