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    20 hp Vertical Centrifugal Pump, Single Stage

    20 hp vertical centrifugal pump adopts a single-stage stainless steel impeller, can be operated in series or parallel connection for high flow/ high head water supply, or installed in the pipeline for pipeline pressurization. Affordable 3-phase centrifugal pump features a maximum flow of 65m3/h, maximum head 53.5m (176ft), same diameter of inlet and outlet 80mm (3 inch), optional input voltage 3 phase AC 220V/240V/380V/415V/480V and input frequency 50Hz/60Hz.
    SKU: ATO-VCP-015KW
    30-day Returns
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    Delivery date: 6-12 days

    Buy a 20 hp vertical centrifugal pump with 65m3/h maximum flow, 46m minimum head, 53.5m maximum head and 80mm inlet and outlet diameter online. It can be used for long-distance water delivery, pipeline pressurization, high-rise building pressurized water supply, etc.


    • 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-80-200
    • Power: 20 hp (15kW)
    • Number of stages: Single stage
    • Input voltage: AC 220V~480V
    • Input frequency: 50Hz/60Hz
    • Inlet diameter: 80mm (3 inch)
    • Outlet diameter: 80mm (3 inch)
    • Flow (min. flow to max. flow): 35m3/h (154 gpm), 50m3/h (220 gpm), 65m3/h (286 gpm)
    • Head (max. head to min. head): 53.5m (176ft), 50m (164ft), 46m (151ft)
    • Efficiency: 55%, 67%, 68%
    • Installation mode: Vertical type or horizontal type
    • Nominal diameter of impeller: 200mm
    • Size: 430*430*775mm
    • Weight: 200kg

    Vertical centrifugal pump dimension (unit: mm):

    Vertical centrifugal pump dimensional drawing

    Boundary dimension L B H C1*B1
    430 430 775 140*200
    Installation dimension A C2*B2 4-Φd1
    125 100*160 4-Φ18
    Flange dimension D D1 n-φd
    φ200 φ160 4-φ18

    Tips: Centrifugal pump troubleshooting

    Trouble: bearing heat

    Possible reasons:

    1. Excessive lubricating oil, the grease of the bearing tank is completely filled or the oil level is too high, resulting in the excessive stirring of the grease to produce a high temperature.
    2. Insufficient lubricating oil, too low oil level, insufficient lubrication, heat generated by friction, bearing housing lubricant should fill 1/3 of the bearing space.
    3. Lubricating oil deteriorates.
    4. The gland is locked too tight, causing the bearing rotor to not rotate freely.
    5. There is a gap between the bearing housing and the outer diameter of the bearing, causing the outer ring of the bearing to slip in the hole of the bearing housing.

    Solution: Fill with the lubrication oil or replace the bearing.

    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

    Different types of centrifugal pumps

    This video explains different types of centrifugal pumps that can be selected according to one's own needs.

    Principles and functionality explained

    This video tells us what a centrifugal pump is and its working principle, and you will have a general understanding of it.

    Components of centrifugal pumps

    This video is an explanation of the components of a centrifugal pump, and we can learn the basic knowledge of the eight components of a centrifugal pump from it.

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