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Diaphragm Pumps

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  • ARO Air Operated Double Diaphragm Pumps
    • ARO
    • Multiple product options available

      ARO® Air Operated Double Diaphragm Pumps allow you to pump thick, solids-laden liquids and slurries in applications such as mining and dewatering. Units are lightweight, can be easily transported where needed, and equipped with pneumatic operation to reduce exhaust and spark hazards. Models with an unbalanced air valve and independent pilot rod are designed to help prevent stalling, sticking, centering, and freezing. Self-priming pumps are capable of running dry.

      Multiple product options available

  • DAYTON Air Operated Double Diaphragm Pumps
    • TM

      Grainger Choice

    • DAYTON
    • Multiple product options available

      Dayton® Air Operated Double Diaphragm Pumps are ideal for general pump transfer, recirculation, dispensing, spraying, filling, rough metering dewatering, low shearing transfer, and fuel evacuation. Dry-running models are portable and designed to be intrinsically safe. Pumps resist overheating and are suitable for a wide variety of liquids, from acids, caustics, and solvents, to high-viscosity shear sensitive liquids including paints, inks, and adhesives. Also suitable for abrasives and slurries.

      FDA-Compliant Models are suitable for use in food, pharmaceutical, and cosmetics applications where 3A and USDA certification is not required.

      Multiple product options available

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More