WATER-FLOW REGULATOR Russian patent published in 2015 - IPC G05D7/01 F16K7/17 

FIELD: construction.

SUBSTANCE: water-flow regulator comprises a water discharge pipe 2 of rectangular cross-section with seat 4, overlapping by the shutting-off device, designed as a flexible tape 3. The last-mentioned forms the control cavity 6 with the case of water discharge pipe 2, connected with the head-water and equipped with the device for drainage, on which the valve is installed. Valve is connected to the membrane of the membrane case 8 by rod 12, the cavity of which is connected with the head-water. Shutting-off device in the form of flexible tape 3 at the area of its adjacency to the edge of passage section of water discharge pipe 2, from side of head-water is provided with cantilever fitted flexible insert 5. Width of the flexible insert 5 is greater that the width of the gap when the shutting-off device is completely closed.

EFFECT: reduction of uncontrolled leakages of water-flow regulator.

3 dwg