Importance

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Abstract

The present invention provides a valve (1) for obturating a pipe (2), having: a central axis X, a body (10) having an inlet (12) and an outlet (14), defining an aperture (18), a plurality of obturating portions (30) for obturating said aperture (18), a valve mechanism (70), the plurality of obturating portions (30), moveable from a first closed position (8) to a second open position (9), a valve seat (20), a plurality of first fixed pivot mounts (41) on the body (10) and wherein each obturating portion (30) is pivotally mounted within a first fixed pivot mount (41); a plurality of second non-fixed pivot mounts (42) connected to the valve mechanism (70) and wherein each obturating portion (30) is pivotally mounted within a second non-fixed pivot mount (42); and wherein the valve mechanism (70) and hence each second non-fixed pivot mount (42) is movable in three dimensions.

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First Claim