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BREAK Butterfly valves can be applicable in pipelines as shut-off and regulating valves, available in interflanged version ("wafer" type), with welding ends and in flanged version. The triple eccentric construction reflects on the highest tightness class at the low closing torque and also enables efficient opening of the disc at the maximal differential pressure.BREAK Butterfly valve seal structure is elliptical and the contour of the seal is a part of the surface of the cone whose axis is inclined relative to the axis perpendicular to the disk and passing through its center (see the figure below).
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