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    1-1/2" Air Operated Double Diaphragm Pump, 40GPM

    Buy industrial air operated double diaphragm pump, 1-1/2 inch fluid inlet/outlet, 1/2 inch air inlet, max. suction height 18 ft., air consumption 23.66 SCFM, max. working pressure 120 PSI, driven by compressed air, selectable cast steel, aluminum alloy, stainless steel and non-metallic body material.
    SKU: T-AODD-40
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    Delivery date: 6-12 days

    1-1/2 inch air operated double diaphragm pump has a great many usages, such as such as pumping a variety of toxic, flammable, volatile liquid, acids, alkalis, corrosive liquids, paint, rubber and paint binders. The pneumatic dual diaphragm pump can transport high temperature media up to 150 ℃. It is also a useful air tool for cleaning sediment contaminants in shaft, tunnels 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.
    • AODD pump can be externally connected to electromagnetic valve for remote control. And the reversing valve requires no lubrication.


    Model T-AODD-40
    Max. Flow 40 GPM (151 LPM)
    Max. Working Pressure 120 PSI (0.84 Mpa)
    Fluid Inlet Size 1-1/2 inch (DN40) NPT
    Fluid Outlet Size 1-1/2 inch (DN40) NPT
    Air Inlet Size 1/2 inch NPT
    Max. Suction Height (Dry Suction) 18 ft. (4.5m)
    Max. Permitted Grain 1/8 in. (3.2mm)
    Max. Air Consumption 23.66 SCFM
    Every Stroke Flow 0.15 gal. (0.15L)
    Max. Reciprocating Speed 276 cpm
    Body Structure Material Option Cast Steel/Aluminum Alloy/Stainless Steel/Non-Metallic (Plastic)


    1-1/2 inch Air Operated Double Diaphragm Pump 40 gpm Details 1. Discharge outlet (top cover)
    2. Plug
    3. Air valve cover gasket
    4. Large slider aluminum piece
    5. Piston
    6. V-Ring
    7. Small slider
    8. Auxiliary shaft O-ring
    9. Auxiliary shaft cover
    10. Sliding plate
    11. Sliding plate gasket
    12. Air valve chamber
    13. Plug
    14. Sealing ball
    15. Sealing seat
    16. Air valve chamber cover
    17. Auxiliary shaft
    18. Large slider O-ring
    19. Large slider plastic ring
    20. Colum
    21. Pitman shaft
    22. Pitman shaft sleeve
    23. V-Ring
    24. Piston sleeve
    25. Clamp screw
    26. Clamp O-ring
    27. Outer clamp
    28. PTFE diaphragm
    29. Poly rubber diaphragm
    30. Inner clamp
    31. Baffle
    32. Air valve chamber gasket
    33. Muffler
    34. Feed inlet (bottom cover)

    Diagram of Air Consumption

    1-1/2 inch Air Operated Double Diaphragm Pump 40 gpm Air Consumption

    Diagram of Fluid Flow

    1-1/2 inch Air Operated Double Diaphragm Pump 40 gpm Fluid Flow

    Dimension Drawing

    Units: mm

    1-1/2 inch Air Operated Double Diaphragm Pump 40 GPM Dimension Drawing


    Air Operated Diaphragm Pump Applications

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