FIELD: compressor building.
SUBSTANCE: invention relates to compressor engineering and is aimed at improvement of aerodynamic characteristics of an automatic valve with the largest scale usage of its square. Automatic valve contains a seat with through channels, pressed to the seat shut-off elements in the form of solids of revolution and a lift limiter with grooves to accommodate the shut-off elements and the channels for passage of gases. Latter are formed by concentric and alternating with each other rows of radially elongated holes and holes in the form of circular sectors. Each groove to accommodate a shut-off element is connected to two radially elongated holes and at least one hole in the form of a circular sector.
EFFECT: invention is aimed at improvement of aerodynamic characteristics of the valve with the largest scale usage of its square.
8 cl, 5 dwg
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