1. Simple structure, small size and light weight.
2. Close and reliable valve sealing surface material widely used plastic, sealing in a vacuum system has also been widely used.
3. Piece ball valve easy to operate, opening and closing rapidly, from fully open to fully closed as long as the rotation 90, to facilitate remote control.
4. Easy maintenance, simple ball valve, seals are generally activities, the removal replacement is more convenient.
5. In the fully open or fully closed, the ball and seat sealing surface and the dielectric isolation, the medium through, will not cause erosion of the valve sealing surface.
6. Wide range of applications, from small to a few millimeters in diameter, large meter from high vacuum to high pressure can be applied.  

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