Ball valves are used in commercial/residential air conditioning, refrigeration, freezing equipment to open or close the flow, vacuumize and charge the refrigerant to the system.
Work Principle：

Rotate the stem by 90°clockwise to close the valve and shut off the flow

Rotate the stem by 90°counterclockwise to open the valve and start the flow.

Tube Size:

Ø25.4

Ø28.58

Ø35

Ø41.28