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Motors

Cooper Power Tools’
air motors are engineered for great flexibility, convenience, and reliability.

Our three diverse brands of pneumatic motors are used for a variety of industrial applications including powering machinery, rotating turntables, powering cranes & valve actuation. This extensive durable industrial air motor selection includes axial piston, rotary vane & radial piston motors to cover a wide range of applications.

Product Catalogs and Brochures

Power Motors Catalog

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Types of Pneumatic Motors Offered

Rotary Vane
Cooper Power Tools offers two types of rotary vane air motors, the large Gardner-Denver MR series (1.0 to 7.5 hp) and small to medium sizes (.14 to 2.3 hp) in the Dotco, Buckeye, and Gardner-Denver product lines. All motors feature durable construction with precision heavy-duty bearings throughout, and multiple blade rotors for smooth power. There is a wide range of speeds and torques as well as a choice of foot, face, or flange mounting. These motors require only air line lubrication for long, trouble-free service.

Axial Piston
These small, lightweight Gardner-Denver motors are ideal for installation in close quarters. The rugged construction and precision manufacturing of these motors allows long life with minimum maintenance. Generous size spindle bearings permit overhung weight on spindle with no external support. High torque is an inherent characteristic of piston type air motors, making them especially desirable for applications involving heavy starting loads. The overlap of power impulses in axial piston air motors provides even torque and full power in either direction of rotation. These motors should be operated under load and horizontally. Axial piston motors are ideal for start stop operations. It is not recommended that they be operated at speeds greater than 75% of free speed. Their enclosed type construction allows operation in corrosive or dusty atmospheres.

Radial Piston
Heavy-duty construction make these motors suitable for continuous operation. The counterbalanced crankshaft is supported by anti-friction bearings. A slinger distributes oil to all moving parts of the motor. Oil level and drain plugs are easily accessible. High torque is an inherent characteristic of piston type air motors, making them especially desirable for applications involving heavy starting loads. The overlap of power impulses in radial piston air motors provides even torque and full power in either direction of rotation. At least two pistons are always on a power stroke. These motors should be operated under load and in a horizontal position. It is not recommended that they be operated at speeds greater than 75% of free speed. These motors perform satisfactorily in high temperature areas up to 200° (93° C). It is recommended that air lines be equipped with lubricators.

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