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    3/4" Air Operated Double Diaphragm Pump, 15 GPM

    Air operated double diaphragm pump for sale, 3/4 inch fluid outlet/inlet, 1/4 inch air inlet, 15 GPM, Max. working pressure 100 PSI, max. air consumption 12 SCFM, 400 cpm, driven by compressed air, optional non-metallic, aluminum alloy, cast steel, stainless steel body material.
    SKU: T-AODD-20
    Wholesale Price - The more you buy, the more you save
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    Delivery date: 6-12 days

    3/4 inch air operated double diaphragm pump is a highly efficient compact pneumatic tool that adopts reliable pilot operated type air valve. The pneumatic dual diaphragm pump is small in size and easy to move, perfect for various usages, such as pumping a variety of toxic, flammable, volatile liquid, acids, alkalis, corrosive liquids, paint, rubber and paint binders. AODD pump also can help you clean not only sewage and residual oil from cruises or barges, but also sediment contaminants in shaft, tunnel and sewers.


    • Air operated double diaphragm pump adopts pilot operated type air valve to eliminate the air tool downtime and extend its service life. All the parts can be replaced when the liquid chamber is not opened.
    • Designed with multiport, the pneumatic dual diaphragm pump can be installed easily.
    • It structures with non-porous embedded diaphragm to improve the usage rate of diaphragm and make it more compact.
    • Air powered diaphragm pump can be used as a movable-type material transfer pump because it has such advantages as small in size, easy moving, no need base, small occupied area and easy installation.
    • It can be externally connected to electromagnetic valve for remote control. And the reversing valve requires no lubrication.


    Model T-AODD-20
    Max. Flow 15 GPM (57 LPM)
    Max. Working Pressure 100 PSI (0.7 Mpa)
    Fluid Inlet Size 3/4 inch (DN20) NPT
    Fluid Outlet Size 3/4 inch (DN20) NPT
    Air Inlet Size 1/4 inch NPT
    Max. Suction Lift Dry Suction 15 ft. (4.5m)
    Wet Suction 25 ft. (7.6m)
    Max. Permitted Grain 3/32 in. (2.5mm)
    Max. Air Consumption 12 SCFM
    Every Stroke Flow 0.04 gal. (0.15L)
    Max. Reciprocating Speed 400 cpm
    Body Structure Material Cast Steel/Aluminum Alloy/Stainless Steel/Non-Metallic (Plastic)


    3/4 inch Air Operated Diaphragm Pump 15 gpm Details 1. Air valve cover
    2. Air valve cover O-ring
    3. Discharge outlet
    4. Colum
    5. Feed inlet
    6. Plug
    7. Small slider
    8. Auxiliary shaft
    9. Auxiliary shaft O-ring
    10. Piston
    11. Piston V-Ring
    12. Pitman shaft O-ring
    13. Air valve chamber gasket
    14. Baffle
    15. Inner clamp
    16. Poly rubber diaphragm
    17. PTFE diaphragm
    18. Outer clamp
    19. Sliding plate
    20. Sliding plate gasket
    21. Pitman shaft
    22. Air valve chamber
    23. Muffler
    24. Sealing ball
    25. Ball seat O-ring
    26. Sealing seat

    Diagram of Air Consumption

    3/4 inch Air Operated Diaphragm Pump 15 gpm Diagram of Air Consumption

    Diagram of Fluid Flow

    3/4 inch Air Operated Diaphragm Pump 15 gpm Diagram of Fluid Flow

    Dimension Drawing

    Units: mm

    3/4 inch Air Operated Diaphragm Pump 15 GPM Dimension Drawing


    Air Operated Diaphragm Pump Applications

    5.0 1
    Write your own review Close
    Miguel | 12/16/2020 8:01 AM
    Good pneumatic double diaphragm pump
    It is very difficult for the sewer workers to manually clean the contaminants deposited in the sewers. The leader bought this pneumatic double diaphragm pump for the workers who cleaned the sewers. It can easily clean the contaminants deposited in the sewers. This will make it easier for sewer workers to clean the sewer.