CONTROL VALVE Russian patent published in 2010 - IPC F16K3/08 

FIELD: machine building.

SUBSTANCE: valve includes two half-cases with flange covers, between which a flat rotary gate is installed with sector channel. The latter is arranged coaxially to sector channels in flange covers. Rotary gate interacts with shaft, which is equipped with coupling and cover interacting with each other by means of ramshorns at the end opposite to liquid outlet from valve. Coupling is connected to shaft by means of splint joint and bears lever key, which is used to rotate gate via shaft and to increase or reduce liquid flow through valve.

EFFECT: reduced intensity of hydraulic shocks, losses of pressure in area of valve and metal intensity.

3 cl, 9 dwg