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4 hp Vertical Centrifugal Pump

4 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 16.3m3/h (72 gpm), maximum head 33m (108ft), same diameter of inlet and outlet 50mm (2 inches), optional input voltage 3 phase AC 230V/240V/400V/415V/480V and optional input frequency 50Hz/60Hz.
SKU: ATO-VCP-3000W
Free shipping
Delivery date: 6-12 days
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$991.94

4 hp vertical centrifugal pump with 16.3m3/h maximum flow, 33m maximum head and 50mm diameter of inlet and outlet.

Features:

  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.

Specifications:

SKU ATO-VCP-3000W
Model 50-160
Weight 53kg
Size 320*300*540mm
Power 4 hp (3kW)
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) 8.8m3/h (39 gpm, American system) 12.5m3/h (55 gpm, American system) 16.3m3/h (72 gpm, American system)
Head (max. head to min. head) 33m (108ft) 32m (105ft) 30m (98ft)
Efficiency 45% 52% 51%
Inlet diameter 50mm (2 inch)
Outlet diameter 50mm (2 inch)
Installation mode Vertical type or horizontal type
Nominal diameter of impeller 160mm
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

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
320 300 540 120*170 100 80*130 4-Φ18 Φ165 Φ125 4-Φ18

vertical centrifugal pump dimensional drawing
Tips:What is the HPSH of the centrifugal pump?
In a certain temperature, when the pressure is reduced below the vaporized pressure of the temperature, the liquid will generate bubbles. Such a bubble generating condition is called cavitation. The bubbles generated in cavitation have the size minimize gradually and then finally break when they flow to the high-pressure site. This phenomenon in which the bubble disappears in the liquid due to the pressure rise is called cavitation collapse. In the operation process of the pump, if the absolute pressure of the pumped liquid is lowered to the liquid vaporization pressure at the current temperature in some areas of the overflow part due to certain factors, the liquid starts to vaporize there, generating a large amount of vapour and forming bubbles. When the liquid containing a large number of bubbles forwards and passes through the high pressure zone, the high pressure liquid around the bubble sharply shrink the bubbles and break them. At the same time that the bubble condenses and ruptures, the liquid particles fill the cavity at a high speed. At this moment, a strong impact is generated, and the metal surface is struck at a high impact frequency. The impact force can reach several hundred to several thousand barometric pressures, and the impact frequency can reach tens of thousands of times per second. As a result, the wall thickness will be broken down if it is serious. The process of creating bubbles in the pump and bubble breakage causing damage to the overflow part is the cavitation process in the pump. In addition to the destructive effect on the overcurrent components, noise and vibration will be generated as well, and the performance of the pump will be reduced accordingly. In severe cases, the liquid in the pump will be interrupted and the pump can no longer work normally.
NPSH (net positive suction head): To prevent cavitation, the sum of the static head and the dynamic head at the inlet of the centrifugal pump must be greater than the minimum allowable value of the saturated vapour head at the delivery temperature.

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