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With ice-free, stall-free operation, ARO air-operated diaphragm pumps are a preferred pumping system of professionals in processing industries. The “Quick-Dump” exhaust valves divert cold exhaust air from components that are prone to icing so that they don’t freeze. The company’s patented “Unstallable” unbalanced air valve design prevents the stalling problems experienced with other pumps. These compact, heavy-duty ARO diaphragm pumps are designed for general use. Features include corrosion resistance, reliability, and efficiency. We’re proud to be one of the leading ARO diaphragm pump distributors.