Centrifugal multistage pumps with a stainless steel body, with a vertical feed pipe and a check valve on the suction side. The ability to suck in water to a depth of 1 mm. The motor is cooled by the pumped water passing between the motor body and the outer body. Double seal on the shaft in the oil chamber for reliable protection of the motor from water and for protection against dry running. The pump is equipped with a check valve on the suction side, which during operation allows you to manually move the pump to different points in the room and suck in water from a depth of up to 1 mm without draining the water from the pump.