ZSRV pneumatic diaphragm V-shaped regulating ball valve, the valve core is opened with a V-shaped cutout, and the hard seal seat rotates relative to the shear force to generate shear force, which can cut off the fiber and prevent seizure. Realize the adjustment of pressure, flow, temperature, liquid level and other parameters. It has the characteristics of flow capacity, high adjustment accuracy, large adjustable ratio, good sealing and light weight. Suitable for most occasions except small diameter, angle type and three-way connection, it is a regulating valve product that replaces imported products, especially suitable for slurry and media containing fibrous, as well as the adjustment of media containing tiny solid suspended solids. Widely used in paper industry, sugar, petroleum, chemical, metallurgy and other industries of industrial process automatic control system.