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Working principle of clamp type sanitary butterfly valve

by:Mayer     2021-08-21
The working principle of the clamp type sanitary butterfly valve    ◇ The design of the metal sealing valve adopts the principle of three eccentric structure, utilizes the inherent cam effect, and completely eliminates all friction between the valve seat and the sealing ring during the 90-degree stroke. The design of the rubber soft seal butterfly valve adopts a single eccentric structure. Unlike the centerline soft seal, after the butterfly plate rotates about 20 degrees, the valve seat and the sealing ring are quickly separated, thereby reducing friction. The butterfly plate of the butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical passage of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between 0° and 90°. When the rotation reaches 90°, the valve is fully open. Flanged butterfly valve structure    ◇Vertical plate structure, the valve stem is an integral metal hard seal The sealing ring of the valve is a composite structure of flexible graphite plate and stainless steel plate, installed on the valve body, and the sealing surface of the butterfly plate is welded with stainless steel. The sealing ring of the soft sealing valve is made of nitrile rubber and is installed on the butterfly plate. The valve body and seat are surfacing stainless steel.
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