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    Centrifugal Pump

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    1 hp Horizontal Centrifugal Pump, Single Stage

    $956.51
    SKU: ATO-HCP-0750W
    Cheap price horizontal centrifugal pump with rated power 750W, 1 hp centrifugal pump has wide optional input voltage AC 220V to 480V, input frequency 50Hz/ 60Hz, inlet diameter/ outlet diameter 25mm (1 inch). Single stage centrifugal pump is used to transport clean water and other liquids with similar physical and chemical properties to clean water.

    1 hp Vertical Centrifugal Pump, Single Stage

    $897.77
    SKU: ATO-VCP-0750W
    Low price 1 hp vertical centrifugal pump is a single-stage pipeline pump. It has an equal inlet and outlet diameter of 25mm (1 inch), maximum flow of 22.9 gpm, a maximum lift of 20.6m (68ft), optional input voltage of AC 220V/240V/380V/415V to 480V, and input frequency of 50Hz/60Hz. 3 phase centrifugal pump can be used for industrial and urban water supply, such as pipeline pressurization of the production line, firewater, and air conditioning systems.

    1.5 hp Vertical Centrifugal Pump, Single Stage

    $1,054.74
    SKU: ATO-VCP-1100W
    The 1.5 hp vertical centrifugal pump has an optional input voltage of AC 220V~480V, input frequency 50Hz/60Hz, the same inlet and outlet diameter of 25mm (1 inch), a maximum flow rate of 21.6 gpm and a maximum lift of 29m (95ft). Low price 1.5 hp single-stage centrifugal pump can be used for long-distance water delivery, pipeline pressurization, high-rise building pressurization water supply, etc.

    2 hp Vertical Centrifugal Pump, Single Stage

    $1,136.53
    SKU: ATO-VCP-1500W
    Buy a 2 hp vertical centrifugal pump at a low price. It has a maximum flow of 5.2m3/h (22.9 gpm), a maximum lift of 33m (108ft), the same diameter of 25mm (1 inch) at the inlet and outlet, 3-phase AC 220V~480V input voltage and 50Hz/60Hz input frequency. The 2 hp centrifugal pump adopts a single-stage stainless steel impeller, which can be installed in the pipeline for pipeline pressurization or can be operated in series or in parallel for a large flow/high head water supply.

    3 hp Vertical Centrifugal Pump, Single Stage

    $1,225.73
    SKU: ATO-VCP-2200W
    High-quality 3 hp vertical centrifugal pump can be used for pipeline pressurization of the production lines, cooling tower water supply, the pressurization water supply of high-rise buildings, fire water and air conditioning system. The low-cost 3-phase centrifugal pump has optional input voltage AC 220V~480V at input frequency 50Hz/60Hz, maximum flow of 8.3m3/h, 33m (108ft) maximum lift and the same diameter of inlet and outlet of 40mm.

    3/4 hp Sanitary Stainless Steel Centrifugal Pump

    $368.76
    SKU: ATO-SCP-3/4HP
    3/4 hp stainless steel centrifugal pump is a sanitary centrifugal pump equipped with 0.55kW power, 380V working voltage, and 14m rated lift, can transport various particle-containing, viscous, and lightly corrosive liquids.

    370W Stainless Steel Centrifugal Pump

    $443.02
    SKU: ATO-BAW-90
    Cheap price stainless steel centrifugal pump online for sale, with rated power 370 watt, rated voltage 220V/ 380V, 3 phase, three kinds of accessories can be chosen. The ss centrifugal pump is widely used in food, beverage, pharmaceutical, biological engineering, water treatment, daily chemical, petroleum and chemical industries.

    4 hp Vertical Centrifugal Pump, Single Stage

    $1,358.42
    SKU: ATO-VCP-3000W
    Cheap 4 hp vertical centrifugal pump adopts a single-stage stainless steel impeller, which can be operated in series or in parallel for a large flow/high head water supply. High quality vertical centrifugal pump has a maximum flow of 16.3m3/h (72 gpm), a maximum lift of 33m (108ft), 50mm (2 inch) diameter, optional input voltage of 3 phase AC 230V/240V/400V/415V/480V and 50Hz/60Hz input frequency.

    5 hp Vertical Centrifugal Pump, Single Stage

    $1,706.44
    SKU: ATO-VCP-4000W
    3 phase vertical centrifugal pump adopts a single-stage stainless steel impeller and can be used in industrial and urban water supply, such as production line pipeline pressurization, fire water and air conditioning systems. 5 hp vertical centrifugal pump has the same inlet and outlet diameters of 40mm (1-1/2 inch), maximum flow 37 gpm, maximum lift 51m (167ft), optional input voltage AC 220V~480V and input frequency 50Hz/60Hz.

    7.5 hp Vertical Centrifugal Pump, Single Stage

    $2,067.35
    SKU: ATO-VCP-5500W
    High efficiency 7.5 hp vertical centrifugal pump for sale. It is a single-stage centrifugal pump, has the same diameter of inlet and outlet of 50mm (2 inch), maximum flow 16.3m3/h (72 gpm), maximum head 52m (171ft), optional input voltage AC 240V~480V and input frequency 50Hz/60Hz. 3 phase centrifugal pump can be used for long-distance water delivery, pipeline pressurization, high-rise building pressurized water supply, etc.

    DN25 Vertical Multistage Centrifugal Pump

    $747.78
    SKU: ATO-VMCP-25
    High quality and reasonable price vertical multistage centrifugal pump for sale online. The impeller of vertical multistage pump has accurate profile, smooth flow channel and good balance. Stainless steel vertical multistage pump suitable for transferring liquids of low viscosity, non-inflammable and not containing solid particles or fibers.

    1 hp Sanitary Stainless Steel Centrifugal Pump

    $382.87
    SKU: ATO-SCP-1HP
    Quality 1 hp (0.75kW) centrifugal pump for sale online. Sanitary stainless steel centrifugal pump can pump all kinds of acid and alkaline liquids, with 380V working voltage, 16m high rated lift, low price, and high efficiency.

    1.5 hp Horizontal Centrifugal Pump, Single Stage

    $1,184.13
    SKU: ATO-HCP-1100W
    Factory price horizontal centrifugal pump with motor power 1.5 hp, 3 phase, centrifugal water pump has the same diameter of inlet and outlet 25mm (1 inch). High pressure centrifugal pump has input voltage AC 220V to 480V for selection. Small centrifugal pump can be used for garden sprinkler irrigation, HVAC & refrigeration water circulation, etc.

    10 hp Vertical Centrifugal Pump, Single Stage

    $2,557.69
    SKU: ATO-VCP-7500W
    3 phase 10 hp vertical centrifugal pump has maximum flow 286 gpm, maximum head 35m (115ft), same diameter of inlet and outlet 80mm (3 inch), optional input voltage 3 phase AC 220V~480V and optional input frequency 50Hz/60Hz. It can be installed in the pipeline for pipeline pressurization, or operate in series or parallel connections for high flow/high head water supply.

    1-1/2 hp Sanitary Stainless Steel Centrifugal Pump

    $555.47
    SKU: ATO-SCP-1.5HP
    Low price 1-1/2 hp horizontal centrifugal pump is used for applications requiring corrosion and rust resistance. Stainless steel centrifugal water pump, sanitary grade, 1100W power, 380V working voltage, 18m high rated lift, ideal for chemical processing, pharmaceutical, food and beverage and water treatment.

    15 hp Vertical Centrifugal Pump, Single Stage

    $3,441.45
    SKU: ATO-VCP-011KW
    Popular 15 hp vertical centrifugal pump is a non-self-priming centrifugal pump. It has a maximum flow of 16.3m3/h, a maximum head of 82m (269ft) and the same diameters of 50mm(2 inch). Input voltage AC 240V/380V/460V t0 480V and input frequency 50Hz/60Hz for selection. Low price 3 phase centrifugal pump can be used in pipeline pressurization of the production line, cooling tower water feeding, high-rise building pressurized water supply, fire water and air condition system water.

    1hp (0.75kW) Stainless Steel Centrifugal Pump

    $489.84
    SKU: ATO-BAW-120
    Lower cost stainless steel sanitary pump with rated power 750W, rated voltage 1-phase 220V/ 3-phase 380V, clamp + gasket + quick connector/ clamp + gasket + sanitary hose joint/ union three kinds of accessories for selection. The centrifugal pump has the advantages of wide range of performance, small size, simple structure, easy operation, low operating cost, etc.

    2 hp Sanitary Stainless Steel Centrifugal Pump

    $558.21
    SKU: ATO-SCP-2HP
    Cheap 2 hp (1.5kW) sanitary centrifugal pump provides 380V working voltage, 20m high rated lift, high temperature resistance, corrosion resistance, strong and durable. This stainless steel horizontal centrifugal pump can handle a variety of particulate, viscous, and lightly corrosive liquids.

    DN32 Vertical Multistage Centrifugal Pump

    $1,019.21
    SKU: ATO-VMCP-32
    Centrifugal vertical multistage pump with DN32 outlet diameter and 380V voltage. Vertical multistage centrifugal pump price is affordable. The waterproof grade of vertical multistage water pump is IP55. This vertical multistage pump can meet the requirements of water supply, food and pharmaceutical industry.

    2 hp Horizontal Centrifugal Pump, Single Stage

    $1,279.37
    SKU: ATO-HCP-1500W
    High quality centrifugal pump for sale online, 2 hp horizontal centrifugal pump has optional input voltage from AC 220V to 480V, optional input frequency 50Hz/ 60Hz, same diameter of inlet and outlet 50mm (2 inch). Centrifugal water pump with cheap price can be used for cool water pressurization in air conditioner, refrigeration equipment, bathroom, etc.

    Centrifugal pumps work by rotating the impeller to cause the water to move centrifugally. Before starting the pump, the pump casing and the suction pipe must be filled with water, and then the motor is started to drive the impeller and the water to rotate at a high speed. The water undergoes centrifugal motion and is thrown to the outer edge of the impeller, and flows through the volute pump casing. The pressure water pipeline flows into the water pump.

    ATO.com online store provides stainless steel centrifugal pumps, horizontal centrifugal pumps and vertical centrifugal pumps three kinds of centrifugal pumps for selection. The centrifugal pump of a wide range power rating from 370W to 100 hp. 

    What is a centrifugal pump?

    Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow. The rotational energy typically comes from an engine or electric motor. They are a sub-class of dynamic axisymmetric work-absorbing turbomachinery. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from which it exits.Centrifugal pumps

    How does a centrifugal pump work?

    Like most pumps, a centrifugal pump converts rotational energy, often from a motor, to energy in a moving fluid. A portion of the energy goes into kinetic energy of the fluid. Fluid enters axially through eye of the casing, is caught up in the impeller blades, and is whirled tangentially and radially outward until it leaves through all circumferential parts of the impeller into the diffuser part of the casing. The fluid gains both velocity and pressure while passing through the impeller. The doughnut-shaped diffuser, or scroll, section of the casing decelerates the flow and further increases the pressure.

    Structure of a centrifugal pump

    A centrifugal pump consists of a set of components of which some (e.g., shaft, bearing, etc.) are responsible for maintaining the mechanical structure of the pump, and others (impellers and casing) determine the hydraulic function of the pump. The main components are the following:

    • Pump bodyStructure of centrifugal pump
    • Impeller
    • Casing
    • Sealing Ring
    • Static O-ring Seal
    • Sealing Gland
    • Dynamic Seal
    • Bearing Gland
    • Bearing
    • Shaft
    • Oil Seal
    • Sealing Gland
    • Motor
    • Mounting Base