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    3 hp Self Priming Centrifugal Pump, 2 Pole

    High efficiency and economical 3 hp self priming centrifugal pump for sale, it has a rated flow rate of 24 m3/h and a rated head of 24m. The 2 pole high pressure self priming pump is designed for easy handling of various liquids and solids without manual start-up, saving users valuable time and effort.
    SKU: ATO-SPB-50032
    Free Shipping Worldwide
    Delivery date: 6-12 days

    The vacuum priming pump has a powerful 3 hp (5.5 kW) motor and the pump body is made of high quality FRPP/PVDF. Whether you need reliable water delivery, irrigation or dewatering, this pump is up to the task, ensuring consistent and efficient operation.


    • Model: ATO-JKB-50032
    • Power: 3 hp (2.2kW)
    • Inlet: 50mm
    • Outlet: 50mm
    • Max Head: 20m (50Hz), 22m (60Hz)
    • Max Capacity: 400m L/min (50Hz), 340 L/min (60Hz)
    • Pole: 2 Pole
    • Pump Body Material: F-FRPP/P-PVDF
    • Weight: 30kg

    Dimension (unit: mm)

    Self priming pump dimension

    Model A B C D E F G H I L
    ATO-JKB-50032 140.5 200 298.5 265 147.5 202 250 250.5 81 697.5


    Self priming pump curves


    Self priming centrifugal pump installation


    Self-priming pump is a special type of centrifugal pump that has the ability to self-prime and operate normally without the need for liquid filling. Self-priming pumps are widely used in industrial drainage, water supply to high-rise buildings, garden irrigation, boosting fire protection systems, and circulating HVAC refrigeration.

    Self priming pump applications

    Tips: What are the advantages of using a self-priming pump?

    • Ease of Priming: One of the primary advantages of self-priming pumps is their ability to prime themselves automatically. Unlike standard pumps that require manual priming, self-priming pumps can evacuate air from the suction line and create a vacuum, allowing them to draw in and pump fluids without external assistance. This feature simplifies the setup process, saves time, and eliminates the need for additional equipment or priming devices.
    • Increased Efficiency: Self-priming pumps are designed to maintain a consistent priming capability over time. Once primed, they can re-prime themselves automatically, even if the pump is temporarily emptied or air enters the system. This eliminates the need for frequent re-priming and ensures continuous operation, minimizing downtime and increasing overall efficiency.
    • Versatility and Flexibility: Self-priming pumps can handle a wide range of fluids, including liquids with entrained gases, air pockets, or suspended solids. They are well-suited for applications where the fluid conditions may vary or contain impurities. This versatility makes self-priming pumps suitable for various industries, such as wastewater treatment, agriculture, construction, and industrial processes.
    • Reduced Maintenance: Self-priming pumps typically have fewer components compared to pumps that require separate priming systems. With fewer parts, there is less risk of wear, clogging, or malfunction, resulting in reduced maintenance requirements. Additionally, the automatic self-priming feature helps prevent issues caused by dry running or loss of prime, further extending the lifespan of the pump.
    • Increased Reliability: Self-priming pumps are known for their reliability. They are designed to handle challenging conditions, such as intermittent operation, suction lift, and variable flow rates. The ability to self-prime and handle air or solids without damage contributes to their overall robustness, making them dependable for a wide range of pumping tasks.
    • Cost Savings: The advantages of self-priming pumps, including reduced installation complexity, minimal downtime, lower maintenance needs, and increased reliability, can lead to cost savings over time. These pumps offer an efficient and economical solution, particularly in applications where frequent priming or external priming systems would be required with standard pumps.
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