Ball valve is a circular hole with the ball for the opening and closing parts, ball with the valve stem rotation, to achieve the opening and closing action
The top of the stem exposed square engraved with grooves, the grooves indicating the open or closed position. When counterclockwise a wrench is pulled to the trench and pipeline parallel to open and clockwise direction by moving the wrench rotates 90 DEG, the groove and a vertical pipe is closed, the spanner and the valve rod is movably connected, open and close by, with Bi can be taken under.
Nominal pressure: PN1.6MPa
Nominal diameter: DN20 ~ DN200
Applicable medium: water, oil, steam and non corrosive media
Main parts material: gray cast iron, PTFE
Executive standard: GB/T15185-1994
Test standard: GB/T13927-2008