Impeller of the pump "VEN4-7.2 -40"

USSR. Moscow. A three-fold smaller working wheel of the high-speed 15-kilogram pump "VEN4-7.2-40" with a capacity of 11.5 thousand revolutions per minute, capable of lifting 10 cubic meters of water per hour to a height of 40 meters, developed in the laboratory of electromechanization of water supply of collective and state farms of the All-Union Scientific Research Institute for Electrification of Agriculture. Boris Korzin/TASS