CONTROL VALVE OF DIRECT-FLOW TYPE Russian patent published in 2017 - IPC F16K3/24 F16K47/04 

FIELD: building.

SUBSTANCE: control valve of direct flow type comprises a housing, inlet and outlet flanges, a flow divider, arranged in the form of a hollow perforated cylinder, the internal volume of the housing is divided into three chambers - the input, intermediate and output, while the chambers are separated from one another by surfaces of coaxially located perforated hollow cylinders, one of which, the external one, is mounted with the possibility to rotate and connected to the slewing drive by a lever. The holes on the surfaces of the perforated cylinders are made in the form of ellipses arranged into annular rows, major axes of which are located along the axes of the rows. Besides, there are no holes in the central parts of the perforated hollow cylinders, but inside perforated hollow cylinder in its central part guide curved fairings are symmetrically mounted.

EFFECT: invention relates to the valve industry, and to direct-flow control valves, in particular, used in pipe fitting, and is intended to regulate and stop working environments of liquids and gases.

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