METHOD FOR PREVENTING DESTRUCTION OF FIRE HYDRANT VALVES Russian patent published in 2023 - IPC E03B9/08 E03B9/14 

FIELD: water supply.

SUBSTANCE: the invention can be used in devices designed for collection of water from the water supply network for the purpose of firefighting. The fire hydrant is made in form of a chassis with a lid and a valve box with a spindle located inside the box, on which a collapsible fire hydrant valve and a support ring are mounted. The drain pipe of the hydrant valve box is connected to a jet pump located in the body of the water pipe. A check valve and a float valve are installed between the drain channel and the jet pump.

EFFECT: reduction in the accident rate on water supply networks and preservation of high readiness of fire hydrants for use in firefighting.

2 cl, 3 dwg