50 hp Vertical Centrifugal Pump

50 hp vertical centrifugal pump with cheap price adopts 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. Three-phase vertical pipeline pump has maximum flow 130m3/h (572 gpm), maximum head 87m (285ft), same diameter of inlet and outlet 100mm (4 inches), optional input voltage AC 220V/240V/380V/460V/480V and optional input frequency 50Hz/60Hz.
Delivery date: 6-20 days
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50 hp vertical centrifugal pump with 130m3/h maximum flow, 87m maximum head and 100mm diameter of inlet and outlet.


  1. The centrifugal pump has the vertical structure. The diameter of the inlet and outlet are the same. And the inlet and outlet are on the same center line, so that the vertical centrifugal pump can be installed in the pipeline like a valve. 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. Vertical centrifugal pump can be operating in series or parallel connection according to the requirements of flow and head.
  4. Vertical pump can be installed in vertically type or horizontally type according to the requirement of pipeline system.


Model 100-250
Weight 351kg
Size 550*520*960mm
Power 50 hp (37kW)
Phase 3 phase
Input voltage * AC 220V, 230V, 240V, 380V, 400V, 415V, 440V, 460V, 480V
Input frequency * 50Hz, 60Hz
Flow (min. flow to max. flow) 70m3/h (308 gpm, American system) 100m3/h (440 gpm, American system) 130m3/h (572 gpm, American system)
Head (max. head to min. head) 87m (285ft) 80m (262ft) 68m (223ft)
Efficiency 62% 69% 68%
Inlet diameter 100mm (4 inch)
Outlet diameter 100mm (4 inch)
Installation mode Vertical type or horizontal type
Nominal diameter of impeller 250mm
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 4.0m
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

Vertical centrifugal pump dimension (unit: mm):

Boundary dimension Installation dimension Flange dimension
L B H C1*B1 A C2*B2 4-Φd1 ΦD ΦD1 n-Φd
550 520 960 160*220 140 110*170 4-Φ18 Φ220 Φ180 8-Φ18

vertical centrifugal pump dimensional drawing
Tips:The vertical pipeline centrifugal pump has serious vibration and overheat usually become damaged
In the process of using the vertical pipeline centrifugal pump, various states will occur, such as: there is a serious vibration of the pump, the upper and lower bearings are often hot and damaged, the pump shaft and the bearing joint are worn, or the pump operation is unstable, thus affecting the normal water supply of the water pump. Therefore, the pipeline centrifugal pump shall be conducted with the shock absorption treatment. Let's talk about the cause and transformation of the vibration.
Reason: Water pump vibration

  1. The water pump has the rigid connection with the transmission shaft. Because of the manufacturing and installation reasons, the pump spindle is in concentric with the transmission shaft, thus causing the vibration of the water pump. The vibration generated by the motor, transmission shaft and other vibration sources will also be transmitted to the water pump, causing the vibration superposition, so as to further intensify the water pump vibration. In addition, the rigid connection, combined with the external force sustained by the bearing, the bearing is easily heated, so as to affect the pump spindle.
  2. If the pump head is high and the flow is great, the gravity center is relatively high. When the system with large mass revolves at a high speed, the generated centrifugal force is very great. Therefore, it will cause great vibration of the unit. If the support and water pump are added, the connection rigidity of the water inlet and outlet directions are not enough, resulting the rather great displacement of the water pump and various connecting parts. In operation, the water pump displacement changes the forcing status of the upper bearing, the vibration intensifies, and it is easily to generate heat. If the correction water pump has any displacement, improving the stressing condition of the bearing can reduce the vibration intensity of the system.

Water pump transformation condition

  1. Transform the transmission system, change the rigid connection between the water pump and transmission shaft into the flexible connection, have the objective of reducing the transmission of the motor and transmission shaft to the water pump, so that the vibration of the motor and transmission shaft can be compensated, and it will not be directly transmitted to the water pump.
  2. Strengthen the pipeline rigidity, in order to increase the pipeline rigidity, reduce the water pump deformation, avoid the water pump displacement and other phenomena, a fixing ring can be added at the water inlet and outlet. Everyone can weld the flanges at both ends of the connecting pipe between the pump outlet and the outlet valve.
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