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    7.5 hp Vertical Centrifugal Pump, Single Stage

    High efficiency 7.5 hp vertical centrifugal pump for sale. It is a single-stage centrifugal pump, has the same diameter of inlet and outlet of 50mm (2 inch), maximum flow 16.3m3/h (72 gpm), maximum head 52m (171ft), optional input voltage AC 240V~480V and input frequency 50Hz/60Hz. 3 phase centrifugal pump can be used for long-distance water delivery, pipeline pressurization, high-rise building pressurized water supply, etc.
    SKU: ATO-VCP-5500W
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Factory price 3 phase 7.5 hp vertical centrifugal pump has optional input voltage AC 220V~480V and input frequency 50Hz/60Hz, 16.3m3/h maximum flow, 52m maximum head and 50mm diameter of inlet and outlet.


    • The centrifugal pump has a vertical structure, and its inlet and outlet have the same diameter. The inlet and outlet are on the same centerline so that they can be installed in the pipeline like a valve. If a protective cover is added, it can be used in the open air.
    • Easy to install and maintain. There is no need to dismantle the piping system, just remove the connecting flat nut of the vertical pump. All rotor parts can then be removed.
    • The vertical pump can be installed vertically or horizontally according to the requirements of the piping system.
    • Vertical centrifugal pumps can be run in series or in parallel according to the requirements of flow and head.


    • Model: ATO-VCP-50-200
    • Power: 7.5 hp (5.5kW)
    • Number of stages: Single stage
    • Input voltage: AC 220V~480V
    • Input frequency: 50Hz/60Hz
    • Inlet diameter: 50mm (2 inch)
    • Outlet diameter: 50mm (2 inch)
    • Flow (min. flow to max. flow): 8.8m3/h (39 gpm), 12.5m3/h (28 gpm), 16.3m3/h (37 gpm)
    • Head (max. head to min. head): 52m (171ft), 50m (164ft), 48m (157ft)
    • Efficiency: 38%, 46%, 46%
    • Installation mode: Vertical type or horizontal type
    • Nominal diameter of impeller: 200mm
    • Size: 360*350*615mm
    • Weight: 125kg

    Vertical centrifugal pump dimension (unit: mm):

    Vertical centrifugal pump dimensional drawing

    Boundary dimension L B H C1*B1
    360 350 615 120*170
    Installation dimension A C2*B2 4-Φd1
    100 80*130 4-Φ18
    Flange dimension D D1 n-φd
    φ165 φ125 4-φ18

    Tips: Operation steps of stopping the centrifugal pump

    1. The impeller of the centrifugal pump is the most important component of the centrifugal pump. In order to avoid the water flow backward stopping, the outlet valve should be closed first to prevent the impeller from being damaged.
    2. After the centrifugal pump stops operating, the inlet valve of the pump should be closed. When the centrifugal pump cools down, the valves of the auxiliary systems should be closed successively, otherwise, the centrifugal pump will be damaged.
      The high-temperature centrifugal pump should be stopped according to the technical documents of the equipment. After stopping, it shall be stopped for half a circle every 20 to 30 minutes until the temperature of the pump drops to 50℃.
    3. In stopping the low-temperature centrifugal pump, when there is no special requirement, the pump should be filled with liquid, and the suction valve and discharge valves should be maintained open. For the low-temperature pump with double mechanical seals, the liquid level controller and the sealant in the pump seal chamber should maintain the pump's grouting pressure.
    4. After turning off the centrifugal pump, we should notice if the noise and vibration generated in the pump start-up will disappear quickly as the centrifugal pump is turned off. If it disappears quickly, it proves that there is a stuck phenomenon inside the centrifugal pump and the pump should be checked and maintained in time.
    5. The centrifugal pumps convey the crystallization, solidification and sedimentation media, blockage should be avoided after stopping the pump. Please use the clean water or other media to wash the pump and pipe timely.
    6. Drain the inventory liquid in the centrifugal pump, and avoid corrosion and frost crack.


    1. After stopping the centrifugal pump, the clean work shall still be done well.
    2. In cold weather, especially the outdoor pump, the liquid in the pump should be drained immediately to avoid freezing and breaking the pump body.
    3. The reserved centrifugal pump should be regularly started.
    Phase 3 phase
    Input voltage AC 220V, 230V, 240V, 380V, 400V, 415V, 440V, 460V, 480V
    Input frequency 50Hz, 60Hz
    Installation angle of outlet 0°, 90° and 180°
    Pump type Booster pump
    Number of stages Single stage
    Motor type Y/ Y2 series motor
    Motor speed 2900rpm
    Impeller material 304/ 316 stainless steel
    Seal material 304 stainless steel, tungsten carbide, fluorine rubber
    Inlet max. pressure 1MPa (145 psi)
    (NPSH)r 2.3m
    Usage Water, or liquids compatible with pump component materials.
    1. The volume of solid particles should be less than 0.1% in unit volume, and the granularity should be less than 0.2mm.
    2. The temperature should be lower than 60℃.
    Environment Temperature: <40℃, humidity: <95%, altitude<1000m
    Warranty 12 months
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