BUTTERFLY VALVE CAPABLE OF DISMOUNTING WHOLE ORGAN

Disclosed is a butterfly valve capable of dismounting a whole organ. A valve body is provided with a center flange where a butterfly plate can pass through, and the center flange is provided with a rectangular hole or an elliptical hole. The matched center flange plate of the center flange, which is arranged according to a corresponding shape, is concentrically and fixedly provided with a support bracket in the form of a barrel; the upper end of the support bracket in the form of a barrel and the lower end of the support bracket in the form of a barrel are provided with connecting flanges or support seats. The butterfly valve capable of dismounting a whole organ is arranged in an engineering pipeline; when the butterfly valve capable of dismounting a whole organ is repaired, the valve body can not be disassembled from the pipeline for avoiding the defects of difficult installation and difficult replacement which are caused by the deformation of the pipeline; in addition, a blind plate can be used to seal a center flange hole, and the pipeline normally run. The utility model has the advantages of convenient and easy maintenance work, time saving, labor saving, and reduced repair loss.