The power pump is used for a flow of water and aqueous solution of foaming agents with a temperature of up to 30°С, the pH hydrogen exponent from 7 to 10,5, the density of up to 1100 kg/m3, the mass concentration of particulates of up to 0,5% with their max size of 3 mm during the fire-extinguishing. The power pump can be used for pumping water from one reservoir into the other, for pumping water from wells, cellars, draining ponds, basins, for eliminating flooding of pits, cellars, buildings, for irrigation and watering, for preventing soil run-off, etc.