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Stanley Submersible Pumps
Choose from a variety of hydraulic sump pumps by Stanley Tools here. Northern Hydraulics carries high-quality equipment at competitive prices. Stanley immersion pumps exemplify the pure power of hydraulic tools. Our SM50 pump discharges an impressive 500 gallons per minute (1890 lpm) while it's small size allows it to fit in a box 11 inches deep by 10 inches square (26.7 cm x 25.4 cm). Browse all immersion sump pumps below.