| VHS & OSH series vertical hollow-shaft motors, the latest product of the national design leading by our factory, are three phases squirrel-cage asynchronous motors of fan cooling, for driving vertical deep-well water pumps. These motors possess the merits of high efficiency, large starting torque, quiet-running, slight vibration, low temperature rise, sustaining heavy axial thrust load, compact and reliable structure, easier servicing and maintenance etc. The output grades conform to IEC standard. After being fitted with vertical pumps the motors are widely used in pumping underground water for the mine city, farm, factory, etc. Degree of protection is IP44 or IP23, or weatherproof type for outdoor operation upon request. |