40 hp Vertical Centrifugal Pump

40 hp vertical centrifugal pump is non-self priming centrifugal pump, has maximum flow 121.6m3/h (535 gpm), maximum head 76m (249ft), the same diameter of inlet and outlet 100mm (4 inches). Low price 3 phase centrifugal pump also has optional input voltage AC 220V/ 400V/ 460V to 480V and optional input frequency 50Hz/60Hz, can be used in pipeline pressurization of production line, fire water and air condition system water supply, cooling tower water feeding, high-rise building pressurized water supply.
Delivery date: 6-20 days
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40 hp vertical centrifugal pump with 121.6m3/h maximum flow, 76m 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 100-250A
Weight 268kg
Size 550*520*960mm
Power 40 hp (30kW)
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) 65.4m3/h (288 gpm, American system) 93.5m3/h (412 gpm, American system) 121.6m3/h (535 gpm, American system)
Head (max. head to min. head) 76m (249ft) 70m (230ft) 59.5m (195ft)
Efficiency 61% 68% 67%
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: Difference between the single-stage pump and multi-stage pump
The single-stage pump refers to a pump with only one impeller. It can have a high head of 125 meters (410ft).
The multi-stage pump refers to the pump with two or more impellers, the high head can exceed 125 meters. The multi-stage pump can be matched with the four-stage motor by increasing the number of impellers if the single-stage pump head needs to be equipped with the two-stage motor, so as to improve the pump service life and reduce unit noise. However, the maintainence of the multi-stage pump is a little more difficulty than that of the single-stage pump.
When the pump actually needs a head of less than 125 meters, the operator can consider to select a single-stage pump or a multi-stage pump according to the pump room, pump price(the price of the multi-stage pump is usually higher than that of the single-stage pump), and many other comprehensive factors.
With the advancement of technology, the pump of the single-stage impeller can increase the head of the pump by increasing the speed of the pump, thus being able to replace the multi-stage pump. However, the price is a little higher.

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