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25 hp Horizontal Centrifugal Pump

3 phase centrifugal pump has horizontal structure, 25 horsepower motor power, optional input voltage AC 220V/ 230V/ 380V/ 400V/ 440V/ 460V to 480V, optional input frequency 50Hz/60Hz, maximum flow 29.2m3/h (159 gpm), maximum head 103m (338ft) and same diameter of inlet and outlet 50mm (2 inches). Best 25 hp horizontal centrifugal pump with low price can be used for cool water pressurization in air conditioner, refrigeration equipment, bathroom, etc.
SKU: ATO-HCP-18d5KW
Delivery date: 6-20 days
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$3,926.25
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25 hp horizontal centrifugal pump with 29.2m3/h maximum flow, 103m maximum head and 50mm diameter of inlet and outlet.

Features:

  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.

Specifications:

SKU ATO-HCP-18d5KW
Model 50-315IB
Weight 215kg
Size 570*840*360mm
Power 25 hp (18.5kW)
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) 15.7m3/h (12.369 gpm, American system) 22.5m3/h (99 gpm, American system) 29.2m3/h (159 gpm, American system)
Head (max. head to min. head) 103m (338ft) 101m (331ft) 98m (322ft)
Efficiency 39% 39% 39%
Inlet diameter 50mm (2 inch)
Outlet diameter 50mm (2 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 2.5m
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
300 570 840 125 85 620 360 570 260 100 4-Φ18 Φ165 Φ125 4-Φ18

Horizontal centrifugal pump dimensional drawing
Tips: Overhauling method of the packing seal of the single-stage centrifugal pump

  1. Clean the centrifugal pump stuffing box and check if the bearing outer surface has any scratch or burr. The stuffing box should be maintained clean, and the bearing outer surface should be lubricated.
  2. Check the bearing bounce. The imbalance amount of the rotor bounce should e within the allowable scope, avoiding too serious vibration, which is not good for the stuffing.
  3. Apply sealant or lubricant applicable to the media in the stuffing box and outer surface of the bearing.
  4. As to the stuffings packed in rolls, it is required to first take a wooden rod with the same size as the shaft neck, and wind the stuffing ring on it, and then cut with the knife. The cut surface shows a 45° slope.
  5. The stuffings should be filled in pieces. It is not allowed to fill several pieces in one time. The method is to take one piece of stuffing, smeared with the lubrication agent. Hold each end of the stuffing interface with two hands, spread along the axial direction, make it twist, and then inject it into the shaft neck. It is not allowed to spread in the radial direction, so as to avoid the irregular interface.
  6. Take one metal shaft sleeve with the same material or softer material as the stuffing ox, and push the stuffing deeply into the box, and exert a certain pressure to the shaft sleeve with the gland, to shrink the stuffing. The estimated shrink amount is 5%~10% and to 20%. Afterwards, roll the shaft for one week, take out the shaft sleeve.
  7. Fill in the second and third pieces in the same way. Attention, when the stuffing pieces reach 4-8, it shall be staggered by 90°in filling. The second stuffing should be staggered by 180°. The 3-6 pieces should be staggered by 120°, to avoid interface leakage,
  8. After filling one stuffing, please tighten with the gland, but the compression force should not be too heavy. In the meanwhile, please rotate the shaft manually, enabling the installing compression to spread in a parabo. Afterwards, release the gland.
  9. Please carry out the working experiment. If it is unable to be sealed, the stuffing should be compressed tighter. If the heating is too serious, please release it. Please adjust in this way until the leakage is in the dripping type and the heat is not too high(the temperature of the stuffing part is only 30~40℃ than the ambient temperature) before putting into operation.

In addition, in repairing or exchanging the mechanical seal of the packing seal of the single-stage centrifugal pump, there is no need to disassemble the motor and pump gland.

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