SHUTOFF-CONTROL VALVE Russian patent published in 2019 - IPC F16K3/02 F16K47/14 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, particularly, to valve industry, namely to shutoff-control pipeline valves, and can be used in oil and gas production and other industries. Shutoff-control valve comprises flat gate interacting with both sides with perforated seats arranged in supply and discharge branches of housing, and conjugated with them spring-loaded relative to housing throttle plates. Plates, combined into packages, are arranged in pairs mirror-like. Number of holes in perforated seats is equal to number of points of intersection of axes of inclined channels in packs of throttling plates. Diameters of holes in perforated seats cover double channels of throttle plates.

EFFECT: invention is aimed at improvement of consumer properties of gate valve.

1 cl, 4 dwg