Brass ball valve was come out in 1949. During the half a century, brass ball valve has been developed to a major kind valve. Brass ball valve mainly use to truncate or connect medium, it can also use to adjust and control the fluid. V ball valve can make much accurate fluid adjust and control, but the tee brass ball valve is use to distribute the medium and change the flow direction. Compared with other valve, brass ball valve has these advantages:
a. Has light resistance of fluid. The brass ball valve has the lightest resistance of fluid among the valve, even the hole shringkage brass ball valve, the resistance of fluid is quite small.
b. It is easy to on-off. As long as spindle turns 90 degree, the ball valve finishes the action of open or close quickly.