UNIVERSAL SUCTION NOZZLE FOR WATER SAMPLING FOR FIRE EXTINGUISHING NVU-80 Russian patent published in 2022 - IPC A62C8/00 A62C33/00 E03B3/04 

FIELD: fire-fighting equipment.

SUBSTANCE: proposed invention relates to life support systems, fire extinguishing, in particular to design of water intakes on freezing water bodies and in shallow water with water supply to fire source or tank truck filling. Suction tip for water intake for extinguishing fires, made in the form of a pipe body, the lower part of which is made in the form of a cone, where on the side surface of the cone there are cuts, characterized in that to the housing of the pipe with a lower part made in the form of a cone, a housing in the form of a pipe is welded, inside which there is a support cage located in the lower part of the housing of the pipe, and a check valve resting on the support cage, wherein the check valve is made double-lug and tightly adjacent to the support cage, along the axial line above the lugs, a limiting plank is built in, at the top of the pipe housing under the coupling nut a protective grid is mounted.

EFFECT: possibility of water intake and replenishment of water from under-ice reservoirs and reservoirs in shallow water to fire-fighting tankers with minimum time expenditures when extinguishing burning objects.

2 cl, 5 dwg