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    5.5 kW Rotary Lobe Pump

    The compact lobe pum is used to transport all kinds of viscous or particle-containing media, with power 5.5 kW, flow 35~60 m3/h, high precision, unique fluid efficiency rotor design, low maintenance cost and long service life, manufacturer support for customization.
    SKU: ATO-LP-AP120
    30-day Returns
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    Delivery date: 10-12 days

    The energy-saving and power-saving lobe rotor pump has high vacuum degree and super wear resistance and corrosion resistance, and a variety of power can be selected and customized.

    Precautions for selection of rotary lobe pump

    1. Shaft power = flow Q (m3/h) x head H (Bar) / 36 / η.
    2. When the conveying medium is clear water, sewage and relatively dilute mud, the rotational speed n≤350rpm, when the conveying medium is dry mud, the rotational speed n≤100rpm.
    3. When it is necessary to ensure the self-priming height, the speed n is greater than or equal to 200rpm, when the equipment is running with gaps, such as mobile pump trucks, the speed can be greater than 350rpm.
    4. Different environments, different media, different speeds, please contact ATO technicians.
    5. Other power lobe rotary lobe pumps can be customized.


    • Model: ATO-LP-AP120
    • Power: 5.5 kW
    • Flow: 35~60 m3/h
    • Maximum Outlet Pressure: 6 bar
    • Maximum Speed: 600 rpm
    • Flange Diameter: DN80, DN100, DN125, DN150, DN200
    • Weight: 251 kg
    • Dimension: 1433mm x 454mm (L x H)
    • Certificate: CE, ISO9000, ISO14000, ISO18000


    • Strong self-priming ability, often used to replace submersible pumps or submersible pumps, the maximum suction stroke of the pump can reach 8.5-9.5 meters.
    • The lobe pump has good wear resistance and is often used to transport fluid media containing impurities such as sludge, sewage, and slag.
    • Simple maintenance, no need to dismantle the pipeline.
    • Reversible operation, the design is completely symmetrical, and the conveying direction can be changed by changing the driving direction.
    • No blockage, strong ability to pass impurities.
    • Idling/dry running: the pump is insensitive to dry running, and short-term running will not cause damage to the pump.
    • Energy saving and electricity saving, high efficiency.
    • To solve the gas resistance, it can be mixed and conveyed with gas, liquid and slag.
    • The overall operating cost of the pump is low.
    • Ultra-wide medium viscosity conveying range, from low viscosity medium to high viscosity medium can be smoothly conveyed.

    5.5 kW Rotary Lobe Pump Curve

    5.5 kW rotary lobe pump curve

    5.5 kW Rotary Lobe Pump Installation Dimensions

    5.5 kW lobe pump installation dimensions

    Rotary Lobe Pump Applications

    Lobe pump applications

    Tips: what is rotary lobe pump?

    Rotary lobe pump is a new technology pump, which combines the characteristics of centrifugal pump and screw pump, is a self-priming valveless, positive displacement pump. The flow rate is proportional to the rotational speed. It is suitable for self-priming or medium containing particulate matter, and it is also suitable for conveying various viscous media. The structure of the pump is compact, the shear force on the medium is small during the conveying process, the operation is stable, and the vibration is small.

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