20943-21 641102182 Sleeve, Shaft used for Mechanical Seal Mission Magnum Centrifugal Pump. The Mission I has been engineered for the toughest jobs in drilling, production, well-servicing, and industrial applications. The revolutionary design of the I provides supreme-duty performance in all types of fluid pumping operations. Although it offers greater capacity and higher heads, the I remains the competitive pump of choice for aggressive applications. The I is more powerful, more durable, and easier to maintain than any conventional pump in use today. The has an open impeller design that contains wide-tipped vanes and a more tangential circumference of the suction allowing the pump to create a smoother flow pattern when handling abrasive fluids. The Magnum is available in , hard iron, stainless steel, and aluminum bronze fluid ends. The pumps can be unitized with electric motors, diesel engines, and hydraulic motors (horizontal, vertical, or close-coupled configuration).