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    20 hp Horizontal Centrifugal Pump, Single Stage

    $4,207.68
    Cheap horizontal centrifugal pump for sale, with 20 hp rated power. 3 phase centrifugal water pump has optional input voltage AC 220V to 480V, input frequency 50Hz/ 60Hz can be chosen, same diameter of inlet and outlet 65mm (2~1/ 2 inch). Single stage centrifugal pump can be used for high-rise building pressurized water supply, HVAC & refrigeration water circulation.
    SKU: ATO-HCP-015kW
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    Centrifugal water pump with maximum flow 32.5 m³/h (143 gpm), maximum head 82m (269ft), 2900rpm motor speed, horizontal structure, 0°, 90° and 180° installation angle of outlet and same diameter of inlet and outlet 40mm (1~1/ 2 inch).

    Features:

    1. The centrifugal pump has the horizontal structure. The diameter of the inlet and outlet are the same. If a protective cover is added, it can be used in the open air.
    2. It is easy to install and maintain. No need to dismantle pipeline system, just lifting off the conjunction flat nut of vertical pump. Then all the rotor parts can be taken out.
    3. Horizontal centrifugal pump can be operating in series and parallel connection according to the requirements of flow and head.
    4. The installation angle of pump outlet can be 0°, 90° and 180° to meet different connection occasions.

    Specification

    • Model: ATO-HCP-40-250I
    • Power: 20 hp (15 kW)
    • Number of stages: Single stage
    • Input voltage: AC 220V, 230V, 240V, 380V, 400V, 415V, 440V, 460V, 480V
    • Input frequency: 50Hz/ 60Hz
    • Inlet diameter: 40mm (1-1/2 inch)
    • Outlet diameter: 40mm (1-1/2 inch)
    • Flow (min. flow to max. flow): 17.5 m³/ h (77gpm), 25 m³/ h (110gpm), 32.5 m³/ h (143gpm)
    • Head (max. head to min. head): 82m (269ft), 80m (262ft), 76.5m (251ft)
    • Efficiency: 39%/ 50%/ 52%
    • Nominal diameter of impeller: 250mm
    • Size: 520*795*330mm
    • Weight: 230kg

    Dimension (mm)

    Boundary dimension h H L a A
    280 520 795 100 65
    Base dimension L1 B I b h1 4-φd1
    560 330 510 230 100 4-φ18
    Flange dimension D D1 n-φd
    φ185 φ145 4-φ18

    Horizontal centrifugal pump dimension

    Tips: Centrifugal Pump Troubleshooting - Serious Vibration of Pump and Abnormal Noise.

    1. If the centrifugal pump foundation is stale
      When vibration occurs, please firstly check if the anchor bolts of the centrifugal pump are tight. If they are not tightened, it will cause the centrifugal pump to vibrate. Please also consider whether the foundation strength of the foot is sufficient. Sometimes, due to design reasons, the soft foundation can also cause vibration.
    2. Coupling alignment
      Many centrifugal pumps are driven by couplings, and there are many types of couplings. The alignment of the normal three-paw coupling directly affects the normal operation and service life of the coupling, shaft, bearing, and machine seal.
    3. Alignment
      Improper alignment is also the common reason causing vibration. The alignment should be regulated in the specified range according to the standard strictly.
    4. Bearing inspection
      Check if the bearing is correctly installed or damaged.
    5. Adjustment of the rotor central position
      The water pump rotor must be concentric with the stator, otherwise friction will be generated in water pump operation, thus causing viration.
    6. Shaft curving and rotor measurement
      If the cause of the viration can not be found externally, the pump can only be disassembled. Please firstly measure and correct the bending of the shaft. After confirming to have no probblem, the rotor will be mounted, and the overall sway and scoring will be measured. If it exceeds the standard, it must be corrected.
    7. Inspection of the dynamic and static balance
      After the centrifugal pump is disassembled, in order to avoid vibration when the pump is turned on, the impeller should also be conducted with the static balance test.
    8. Influence of external conditions to the water pump
      When all the problems of the pump itself are completely eliminated, if the vibration problem can still not be solved, the influence of external conditions on the pump should also be considered. For example, the resonance caused by the natural frequency of the pump base is similar to the vibration frequency, the vibration of the pump caused by the failure of the prime motor, and the strong counterpart used for the connection between the pipeline and the pump will also probably cause abnormal vibration of the pump.
    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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