Cast steel ball valve opening and closing parts (spheres) are driven by the valve stem and rotate around the axis of the valve stem. It is mainly used for cutting or connecting the medium in the pipeline, and can also be used for the adjustment and control of the fluid. The V-shaped ball core of the hard sealed V-shaped ball valve has a strong shear force between the V-shaped ball core and the metal seat of surfacing cemented carbide, especially for the medium containing fiber and small solid particles.

Ball valves are generally divided into handle ball valves, pneumatic ball valves, electric ball valves, cast iron ball valves, stainless steel ball valves, all copper ball valves and so on. Ball valve is to rotate the valve to open or block the valve. Ball valve switch light, small size, can be made into a large caliber, reliable sealing, simple structure, easy maintenance, sealing surface and sphere are often in a closed state, not easy to be washed by the medium, in various industries have been widely used.

Role of cast steel ball valve:

1. The fluid resistance is small, and its resistance coefficient is equal to that of the pipe segment of the same length.

2. Simple structure, small size, light weight.

3. Tight and reliable, the sealing surface material of the ball valve is widely used in plastic, good sealing, and has been widely used in the vacuum system.

4. Easy to operate, open and close quickly, from full open to full close as long as the rotation of 90 degrees, easy to remote control.

5. Easy maintenance, ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient.

6. When fully open or fully closed, the sealing surface of the ball and the seat is isolated from the medium, and the medium will not cause the erosion of the sealing surface of the valve.

7. Wide range of application, small diameter to a few millimeters, large to a few meters, from high vacuum to high pressure can be applied.