1. With elastic load pressure auxiliary seal seat to ensure that the valve seat and the ball core contact tightly all the time.
2. With integral body structure, there is no possibility of potential leakage.
3. With equal percentage characteristics, and a wide range of control and particularly stable control process, suitable to be widely used in a variety of process.
ANSI Class 150#～600#
Metal seat:ANSI Class IV(Cv×0.01%).Soft seat:ANSI Class VI