Karnavati engineering ltd is offering vertical main drive unit. It is provided with i hp, dc motor. Dc thyristor drive is used to control the motor for speed adjustable from 0 to 410 rpm. An electronic rpm meter is provided to display speed. This vertical main drive unit has timer relays to control process time automatically. It is completely maintenance free. This vertical main drive unit is widely used for pharma research in r&d centre, pharmaceuticals and associated industries.