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    11/13/18/20 GPM Hydraulic Tandem Gear Pump, 3600 psi

    5 out of 5 based on 1 reviews | Write a review
    $474.31
    Buy hydraulic tandem gear pump from manufacturer online. Displacement 11/13/18/20 GPM, working pressure 3000 psi, maximum 3600 psi, speed 1800~3500 rpm, volumetric efficiency 90~93%, mechanical efficiency 88~90%, oil inlet thread 3/4 inch, outlet 1/2 inch, clockwise/counterclockwise rotary. 2-stage hydraulic gear pump has double pump, affordable price, easy use.
    SKU: ATO-HTGP-1380
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    High efficiency hydraulic tandem gear pump for sale. Displacement 11/13/18/20 GPM, rated pressure 3000 psi, maximum 3600 psi, rated speed 1800 rpm, maximum 3500 rpm, optional clockwise or counterclockwise rotary. The hydraulic double gear pump has 2 stage pumps, applications include industrial/agricultural/commercial machinery, construction machinery, environmental protection equipment, and chemical equipment, etc.

    Specification

    Model ATO-HGP-33A
    Displacement GPM (Gallon/min)
    5.5 7.7 8.7 11 13 15.2 18 20 22 23.7
    mL/ rev
    6 8.4 11 14.3 16.5 19.2 23 25 28 30
    Rated Speed 1800 rpm 1800 rpm 1800 rpm 1800 rpm 1800 rpm 1800 rpm 1800 rpm 1800 rpm 1800 rpm 1800 rpm
    Max. Speed 3500 rpm 3500 rpm 3000 rpm 3000 rpm 3000 rpm 3000 rpm 3000 rpm 3000 rpm 3000 rpm 3000 rpm
    Min. Speed 700 rpm 700 rpm 600 rpm 600 rpm 500 rpm 500 rpm 500 rpm 500 rpm 500 rpm 500 rpm
    Rated Pressure 3000 psi (21 MPa)
    Max. Pressure 3600 psi (25 MPa)
    Volumetric Efficiency 90% 90% 93% 93% 93% 93% 93% 93% 93% 93%
    Mechanical Efficiency 88% 88% 88% 88% 88% 88% 88% 90% 90% 90%
    Inlet Thread 3/4 inch 1 inch
    Outlet Thread 1/2 inch 3/4 inch
    Rotary Direction clockwise, counterclockwise
    Shaft Extension φ 15.875mm flat key, φ 17.48mm flat key
    Mounting Flange SAE 2-bolt

    Features

    • Hydraulic tandem gear pump uses high-strength aluminum alloy shell and alloy steel hard gear transmission, which is light in weight and stable in transmission.
    • Installation of the hydraulic tandem gear pump is SAE 2-bolt standard flange. Input shaft connection is woodruff key. Connection type of the oil inlet and outlet ports is thread.
    • Hydraulic tandem gear pump has an automatic compensation mechanism for axial and radial clearances, which enables the oil pump to maintain high volumetric efficiency and high mechanical efficiency for a long time.
    • Hydraulic tandem gear pump uses SP gears, with small fluctuation, high pressure, low noise and stable performance.
    • Hydraulic tandem gear pump uses composite material bearings and high-performance sealing elements, has a small starting torque and good tightness, and can work efficiently under harsh working conditions.
    • The front and rear gear pumps work independently of each other, and any combination of displacements can be customized according to requirements.

    11/13/18/20 GPM Hydraulic Tandem Gear Pump Dimensions Diagram (Unit: mm)

    Dimensions of 11/13/18/20 GPM Hydraulic Tandem Gear Pump, 3600 psi

    Front Pump Displacement (GPM) Rear Pump Displacement (GPM) A (mm) B (mm) C (mm) Weight (kg)
    23.7 5.5 214.5 70.0 90 5.2
    22 5.5 210.5 68.0 88 5.1
    20 5.5 206.5 66.0 86 5.0
    23.7 7.7 217.5 70.0 91 5.3
    22 7.7 213.5 68.0 89 5.2
    20 7.7 209.5 66.0 87 5.1
    23.7 8.7 223.5 70.0 93 5.4
    22 8.7 219.5 68.0 91 5.3
    20 8.7 215.5 66.0 89 5.2
    5.5 5.5 174.5 50.0 70 4.1
    7.7 7.7 180.5 51.5 73 4.3
    8.7 8.7 191.5 54.0 79 4.5
    11 11 202.5 57.0 84 4.7
    13 13 210.5 59.0 88 4.9
    15.2 15.2 218.5 61.0 92 5.1
    18 18 232.5 65.0 99 5.3
    20 20 238.5 66.0 102 5.9
    22 22 246.5 68.0 106 6.1
    23.7 23.7 254.5 70.0 110 6.3

    *Note: the dimensions of other displacement combinations will not be listed one by one. Please contact us for more information.

    Tips: Reasons for insufficient oil or no oil pressure of the 20 GPM hydraulic tandem gear pump.

    1. Oil level of the hydraulic oil tank in 20 GPM hydraulic tandem gear pump is too low.
    2. The use of hydraulic oil does not meet the seasonal requirements.
    3. The oil inlet pipe of 20 GPM hydraulic tandem gear pump is seriously blocked by dirt.
    4. Oil seal of the main gear of 20 GPM hydraulic tandem gear pump is damaged, and air enters the hydraulic system.
    5. O-ring of the oil inlet and outlet joints or elbow joints is damaged. The fastening bolts of the elbow joints or the oil inlet and outlet pipe nuts are not fastened, causing air to enter the hydraulic system.
    6. The 20 GPM hydraulic tandem gear pump has internal leakage and the sealing ring is aging.
    7. End face of the 20 GPM hydraulic tandem gear pump or end face of the main and auxiliary gear sleeves is worn, and the unevenness of the end faces of the two shaft sleeves is out of tolerance.
    8. 20 GPM hydraulic tandem gear pump internal parts assembly error, causing internal leakage.
    9. Left-handed and right-handed installation reversed, breaking the skeleton oil seal.

    Existing reviews of 11/13/18/20 GPM Hydraulic Tandem Gear Pump, 3600 psi
    Running smoothly
    I use this 3600 psi hydraulic tandem gear pump on a daily basis due to my job. It runs smoothly as described on the product page and can work in harsh environments. I am very happy to buy it at ATO.com.
    From: Maks | Date: 22/07/2021
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