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Multistage Pump

Your Professional Multistage Pump Supplier

 

Jiangsu Haishi Pump Manufacturing Co., Ltd. was founded in 1977. It was formerly known as the Petroleum and Chemical Pump Branch of the Shanghai Water Pump Factory. The company specializes in the development, design, and manufacture of high-end industrial pumps used in chemical, nuclear, and military applications.

 

Our Factory
The company employs 42 R&D technicians, accounting for 18% of the total workforce. It is equipped with a 3D printing center, desktop spectrometer, ANSYS analysis software, additive manufacturing systems, and other advanced R&D tools. With strong hardware and software capabilities, the company's overall R&D level is among the best in the industry.

 

Standard Certification
The company is a key supplier to major petrochemical groups such as Sinopec, PetroChina, and CNOOC. Its products comply with a range of international standards, including API, ASME, RCC-M, and ISO. The company’s core products—particularly petrochemical process pumps designed to API standards—are widely recognized in the petroleum and petrochemical industries.

 

After-sales Service
We have a professional service team that offers one-on-one technical support.

 

 
 

 

Multistage Pump

A multistage pump is a pump in which the fluid flows through two or more impellers fitted in series. Hence, such a pump will have multiple liquid chambers or stages connected in series. Each stage consists of an impeller, a combination of a diffuser, and return guide vanes, all housed within the same stage casing.

Industrial Sewage Multistage Pump

 

Basic Info

 

 

Model NO.

HZA

Max.Head

>150m

Max.Capacity

>400 L/min

Driving Type

Motor

Impeller Number

Single-Stage Pump

Working Pressure

Middle Pressure Pump

Influent Type of Impeller

Single Suction Pump

Position of Pump Shaft

Horizontal Pump

Pump Casing Combined

Verticaljoint Surface Pump

Mounting Height

Suction Centrifugal

Impeller

Closed

Usage

Pump, Pumps, Condensate Pump, Circulating Pump

Standard

API610

Temperature

-80~450 Degrees

Pressure

2.5~11MPa

Head

4~300m

Rotation Speed

1450, 2900

Capacity

3~2600m3/H

Transport Package

Plywood Box

Specification

1000.00cm * 2000.00cm * 1000.00cm

Trademark

Haishi

Origin

Jiangsu, China

HS Code

8413709990

Production Capacity

5000

 

Pros of Multistage Pumps
 

High Efficiency

Multistage pumps are renowned for their exceptional efficiency. They are designed to handle high-pressure applications, and by using multiple impellers in series, they can achieve this while maintaining energy efficiency. These pumps can effectively move fluids over long distances with minimal energy consumption, reducing operational costs for various industries.

Versatility

Multistage pumps are versatile and can be used in a wide range of applications. They are commonly employed for water supply systems, agriculture, wastewater treatment, and industrial processes. Their ability to handle various fluids and pressures makes them a valuable asset in many industries.

Increased Pressure

One of the primary advantages of multistage pumps is their capability to boost pressure significantly. They can take low-pressure fluids and elevate them to the desired level, making them ideal for applications where high-pressure delivery is essential. Industries like oil and gas, chemical, and power generation often rely on multistage pumps to overcome the limitations of low-pressure sources.

Enhanced Reliability

Multistage pumps are known for their reliability. They are built with robust materials and construction techniques, making them resistant to wear and tear. This reliability ensures that the pumps have a longer service life and require less maintenance, reducing downtime and operational costs.

Space Efficiency

Compared to their single-stage counterparts, multistage pumps are more space-efficient. Their compact design allows them to deliver high pressure without the need for large, bulky equipment. This is particularly advantageous in applications where space is limited, such as offshore drilling platforms or compact industrial facilities.

Reduced Cavitation Risk

Cavitation is a common problem in fluid handling systems where rapid pressure changes can cause vapor bubbles to form and collapse, leading to damage to the pump and reduced efficiency. Multistage pumps, due to their design, are less prone to cavitation, making them a reliable choice for applications with variable pressure requirements.

 

Applications Of Multistage Pumps

Because of the close tolerance between the impeller and the pump volute, multistage pumps cannot handle solids and abrasive content unless the pump is oversized, and therefore, they are used with water and other low-viscosity fluids. This combined with their high-pressure range, makes multistage water pumps popular in applications including:

Boiler feed

In industries, multistage pumps are utilized as boiler feed pumps. They pump water at high strain to the boilers which is fundamental in making steam and guaranteeing the productive working of boilers.

01

Water supply boosting

In municipal water supply systems, multistage pumps are frequently used to maintain a constant water pressure. They aid the transportation of water from treatment plants to the shoppers’ premises, whether private or business.

02

Irrigation

In agriculture, multistage pumps are used for irrigation purposes. It applies the necessary force to spread water over large fields to ensure that crops grow well.

03

Water circulation

Multistage pumps are good in water circulation. Such functions like filtration, addition of chemicals and distribution of the treated water are well suited to bear the high pressure and high flow rate

04

Fire Fighting

Multistage pumps are also utilized in fire fighting systems. They assure of a steady and powerful water supply which is important in extinguishing fires within the shortest time possible.

05

 

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Working principle of multistage pump

1: Compared with single-stage pumps, multi-stage centrifugal pumps have the difference that multi-stage pumps have more than two impellers, which can absorb water and pressurize water in stages in multiple stages, thus lifting water to a high position The number of pump impeller stages can be increased or decreased according to need.

2: There are two types of multistage centrifugal pumps, vertical and horizontal

3: The pump shaft of the multistage centrifugal pump is equipped with two impellers connected in series

4: Compared with the general single-stage centrifugal pump, the multi-stage pump can also achieve a higher head.

 

What Types Are There

Multi-stage pumps come in various configurations to suit different requirements:

 
 

Horizontal

Typically used in industrial settings for high-pressure applications like boiler feedwater, reverse osmosis, and water transfer.

 
 
 

Vertical

Ideal for installations where space is limited or where the pump needs to lift fluids from a lower to a higher level.

 
 
 

Axial Split Casing

These pumps are designed for high flow rates and high pressures, commonly found in water supply and distribution systems.

 

 

 

Our Certificate

 

 

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FAQ

 

 

Q: What's your MOQ?

A: Trial sample order is OK.

Q: What's your payment terms?

A: T/T,L/C,D/A,D/P

Q: What is the delivery time?

A: A large number of conventional models are in stock

Q: Can you we do OEM brand?

A: Yes,welcome your OEM.

We're well-known as one of the leading multistage pump manufacturers and suppliers in China. Please feel free to buy high quality multistage pump at competitive price from our factory. Contact us for pricelist.

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