The pneumatic regulating ball valve is a right angle rotary regulating valve. It can be used together with the valve positioner to achieve proportional regulation. It can be used together with the two position five way solenoid valve and the control box to achieve on-off control The valve core of the V-shaped ball valve is designed as a V-shaped notch with a special shape, which has precise physical properties and control functions, and is suitable for various control occasions.