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进口三偏心低温蝶阀美国阿卡迪亚品牌

进口三偏心低温蝶阀Product Description:

进口三偏心低温蝶阀The utility model comprises a valve body, a valve rod, a valve seat and a butterfly plate, and the valve rod can be rotatably penetrated in the valve body; The cross-sectional shape of the valve seat is U-shaped, one end of the valve seat is arranged on the inner edge surface of the valve body, the valve seat can produce elastic deformation, and the inner wall surface of the valve seat forms an annular arc surface; The butterfly plate is fixed on the valve rod and located in the cavity of the valve body. A conical surface is formed on the outer surface of one end of the butterfly plate close to the valve seat. The conical surface is sealed and connected with the annular arc surface to form a sealing connection pair. The butterfly plate isolates the cavity to form two independent closed chambers. When the butterfly plate is opened, the two closed chambers are connected. The service life of the packing layer is improved, the opening torque is reduced and the leakage is reduced; At the same time, the sealing effect can be realized by the compression deformation of the valve seat, which solves the problem that the sealing needs to be realized by the compression force of the pipeline.

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