The ball valve has a rotation of 90 degrees, the plug body is a ball, with a circular hole or passage through its axis. The ball valve is mainly used in the pipeline to cut off, distribute and change the flow direction of the medium, it only needs to rotate 90 degrees and a small rotating moment to close tightly. Ball valve is the most suitable for the switch and cut-off valve.

① Domestic design standard: GB / T12237
Size range: DN10-1000
Pressure rating: PN16-PN25
② Foreign design standard: API6D API608
Diameter and the corresponding pressure range:
Size range: NPS 2-60
Pressure rating: CLASS150-1500
Main material: carbon steel, stainless steel
Connection type: butt welding end and flange end
Operation type: manual and electric operation