50 hp Horizontal Centrifugal Pump

Horizontal centrifugal pump has 50 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. 50 hp centrifugal pump with maximum flow 65m3/h (286 gpm), maximum head 128m (420ft) and same diameter of inlet and outlet 80mm (3 inches), can be used for HVAC & refrigeration water circulation, high-rise building pressurized water supply, etc.
Delivery date: 6-20 days
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50 hp horizontal centrifugal pump with 65m3/h maximum flow, 128m 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 80-315
Weight 355kg
Size 620*995*400mm
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) 35m3/h (154 gpm, American system) 50m3/h (220 gpm, American system) 65m3/h (286 gpm, American system)
Head (max. head to min. head) 128m (420ft) 125m (410ft) 122m (400ft)
Efficiency 43% 54% 57%
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 3.0m
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
325 620 995 125 85 700 400 650 300 100 4-Φ18 Φ200 Φ160 8-Φ18

Horizontal centrifugal pump dimensional drawing
Tips:Difference between the pipeline pump and centrifugal pump
Before distinguishing between the pipeline pump and centrifugal pump, it is necessary to explain what is a centrifugal pump. Centrifugal pump is a kind of pump that conveys the liquid relying on the centrifugal force generated by the impeller rotation. The high-speed rotating impeller blade drives the water rotation, throwing the water out, so as to achieve the purpose of transmission. Centrifugal pumps have vertical, horizontal, single-stage, multi-stage, single-suction, double-suction, self-suction and pipeline-type and several other forms. Therefore, centrifugal pump is a large pump species, which are widely used in many industrial and civil fields. Its market share is at least 90%. The centrifugal pumps said above include vertical, horizontal, single-stage, multi-stage, single-suction, double-suction, self-suction and pipe-type and many other forms. The pipeline type here refers to the pipeline pump we often say. It is not difficult to see that the pipeline pump is a special centrifugal pump. The industry defines the pipeline pump as follows: a pipeline pump is a centrifugal pump with the water inlet and outlet levels being on the same line. That is, it has the shape of a pipe, and it can be directly installed on the pipeline to pressurize the liquid. The structure of the pump body basically has no great difference. The pipeline pump is mostly single-stage pump, but some pipe pressurizing pumps with special requirements use the multistage pump. In most conditions, they are ordinary pipeline pumps. The pipe pressurizing pump is actually a gas station in the pipeline. When the pipeline is laid very long, the flow of the fluid in the pipeline is not enough to overcome the resistance of the pipeline, a pressurizing pump must be increased to increase the pressure of the fluid in the pipeline, so as to transport to a further distance. Summary: Centrifugal pump is the original model of the pipeline pump, the pipeline pump is included the category of centrifugal pump. [ipeline pump is actually a centrifugal pump with the special structure, it has the advantages as easy installation and maintenance (require no disassemble of the pipeline in maintaining the impeller, pump body and bearing), a wide range of performance, technical maturity and so on. Therefore, it is recommended to prioritize the pipeline pump where the performance range allows.

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