FOUR BALL PUMPS
ARO four-ball pumps are available in a wide range of ratios, displacements, and materials of construction to meet your application needs. For additional help with selecting the pump that best fits your application, please contact our technical support staff at 1-800-495-0276.
650439-X4B 2:1 Ratio, 4 1/4" Air Motor 21.3 GPM (80.6 LPM) max flow   650640-X4B 3:1 Ratio, 6" Air Motor 29.3 GPM (110.8 LPM) max flow   650639-X4B 4:1 Ratio, 6" Air Motor 21.3 GPM (80.6 LPM) max flow   650840-X4G-B 5:1 Ratio, 8" Air Motor 32.8 GPM (124.0 LPM) max flow
650839-X4G-B 7:1 Ratio, 8" Air Motor 23.5 GPM (88.8 LPM max flow
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