100 hp Horizontal Centrifugal Pump

Horizontal centrifugal pump has 100 hp motor power, optional input voltage 3 phase AC 220V/230V/240V, 380V/400V/415V to 440V/460V/480V and optional input frequency 50Hz/60Hz for sale. 100 hp centrifugal pump with maximum flow 130m3/h (572 gpm), maximum head 132m (433ft) and same diameter of inlet and outlet 80mm (3 inches), can be used for high-rise building pressurized water supply, HVAC & refrigeration water circulation, cool water pressurization in air conditioner, etc.
Delivery date: 6-20 days
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100 hp horizontal centrifugal pump with 130m3/h maximum flow, 132m maximum head and 80mm diameter of inlet and outlet.


  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.


Model 80-315I
Weight 675kg
Size 650*1210*560mm
Power 100 hp (75kW)
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) 132m (433ft) 125m (410ft) 114m (374ft)
Efficiency 55% 66% 67%
Inlet diameter 80mm (3 inch)
Outlet diameter 80mm (3 inch)
Installation angle of outlet 0°, 90° and 180°
Nominal diameter of impeller 315mm
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

Horizontal centrifugal pump dimension (unit: mm):

Boundary dimension Base dimension Flange dimension
h H L a A L1 B l b h1 4-Φd1 D D1 n-Φd
325 650 1210 125 85 900 560 820 360 100 4-Φ22 Φ200 Φ160 8-Φ18

Horizontal centrifugal pump dimensional drawing
Tips: Requirements for the centrifugal water pump installation position
The premise of continuous operation of the centrifugal pump is that the suction pipe must be filled with water before the pump start-up, otherwise the water will not be sucked up. In order to ensure that the suction pipe has no evacuation phenomenon due to pumping termination, it is necessary to solve the problem that the water suction pipe can be filled with water in both water pump stoppage and operation conditions. There are two installation position on site:

  1. The pump spindle is located below the water surface of the suction pool. This method is also called self-irrigation method. In other words, regardless of whether the water pump is running or not, the suction pipe is always under the action of the hydrostatic pressure of the water surface and the hydrostatic pressure of the water level of the pool to the center height H of the suction pipe, the suction pipe is always in a status of full of water.
    This method is quite common. The water pump can be started and stopped at any time requiring no measures.
  2. The water pump spindle is above the suction water level. When the water pump stops operating, the water in the suction pipe will flow back into the pool by the elevation difference. The suction pipe will be drained. If the water pump is started once again, it is required to fill in the suction pipe. However, such an operation is not practical. At this moment, it is only required to install one bottom valve on the end of the suction pipe(namely play the role of the  check valve), the emptying condition of the suction pipe can be stopped.
    In such installation means, one water pump can be connected on the water outlet pipe of the water pump for water filling. The air in the suction pipe and pump body can be eliminated through the vent valve on the pump body. Generally, if the bottom valve has no fault, the water pump can work normally.
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