Plastic ball valve

The utility model relates to a plastic valve device field, in particular to plastic ball valve, its technical scheme main points are: including the plastics valve body, be provided with the case in the plastics valve body, the case includes valve rod and valve ball, be provided with the through -hole on the valve ball, can dismantle on the valve rod is connected with the handle, the both ends of plastics valve body are provided with into water end and play water end (W. E. ) respectively, it is provided with first sleeve to intake to serve, be provided with the second sleeve on the play waterend (W. E. ), the outer wall of first sleeve forms first outer step with the terminal surface of plastics valve body, be provided with first interior step between the inner wall of first sleeve and the inner wall of plastics valve body, the outer wall of second sleeve forms the outer step of second with the terminal surface of plastics valve body, be provided with the interior step of second between the inner wall of seco