What are the main components of centrifugal pumps?

What are the main components of centrifugal pumps?

The main components of centrifugal pumps are impeller, pump casing and shaft seal device.

The function of the impeller is to transfer the mechanical energy of the prime mover to the liquid, so that the kinetic energy and static pressure energy of the liquid are improved.

The pump casing has the function of collecting liquid and converting part of the kinetic energy into static pressure energy.

The function of the shaft sealing device is to prevent the leakage of high-pressure liquid in the pump and the leakage of the outside atmosphere into the pump.

Get A Quote

Why Choose HXSEALS?

Rich experience in industry applications

5 years actuator for solar trackers. More than 300,000 actuators are used in solar trackers. More than 10GW of solar power plants are powered by Tomuu actuators.

Strong supply chain integration

Actuator assembly workshop, household application actuator assembly workshop, die casting workshop, motor assembly workshop, gear assembly workshop.

Quick response

Tomuu has a production capacity of 1500pcs industrial actuators and 5000pcs of home application actuators, through which we can easily adjust the production to meet the needs of our customers.

Deep customization

Tomuu has a professional R&D team to help customers develop actuators that meet their needs.


We Have The Best Solutions for Your Business

HXSEALS Industry Co., Ltd. established in 2010 at Hongkong, engaging in designing and manufacturing all kinds of mechanical seals, pumps agency and sealing materials under the brand "HXSEALS" .We have passed the IS09001 : 2015 quality system certificate and own advanced inspection equipment. Additionally, we strictly insist on the quality principle of "technical innovation, quality products, reliable service, continuous improvements and customer satisfaction" , keeping the way of making professional industrial products.

HXSEALS products are widely used in the fields of food, wastewater, pharmacy and chemical. Modular design is the core of HXSEALS products. Basically, many products have inner connection which could be replaced. Besides of standard products, we could design and manufacture items as well according to your drawings and samples thanks to its professional engineers and technicians.

HXSEALS constantly explores new products and sealing products in order to compass professional industrial products around the world.

Read More
User Reviews

What users say about HXSEALS

The pump seals are of very good quality and very wear-resistant.


The price is really not high and the quality is not bad.


The product is good, hope to continue the cooperation next time.

Frequently Asked Question

Do you have any question?

1. If there is any small failure of the pump, remember not to let it work. If the packing of the pump shaft is worn out and added in time, if the pump continues to be used, the pump will leak.

2. Strong vibration occurs during the use of the water pump, which must be stopped and checked, otherwise it will also cause damage to the water pump.

3. The water pump must pay attention to maintenance after use, for example, when the water pump is used up, the water in the pump should be cleaned, it is best to remove the water pipe and then rinse it with clean water.

4. The tape on the water pump should also be removed, and then rinsed with water and dried in a light place, do not put the tape in a dark and humid place. The tape of the pump must not be stained with oil, let alone apply something sticky to the tape.

1. Check whether all screws and nuts are loose.

2. Change the oil of the gearbox once, and fill the gear oil to the center of the gearbox oil label.

3. Check whether the coupling is clean and free of bruises, and check the concentricity of the coupling.

The basis of pump selection shall be considered from the aspects of process flow, water supply and drainage requirements, and five aspects shall be considered from liquid conveying capacity, equipment lift, liquid property, pipeline layout and operating conditions.

1. The colloid mill flow is one of the important performance data of the pump.

2. The head required by the equipment system is another important performance data of the selected pump, which is usually used to select a margin of 5% to 10% of the pump magnification.

3. Liquid properties, including liquid medium name, physical properties, chemical properties and other properties, physical properties and temperature density D, C u viscosity, solid particle diameter and gas medium, etc., are related calculations for the total system.

4. The pipeline layout condition of the device system refers to the liquid conveying liquid at the liquid delivery height, such as the lowest level of the absorption side, such as the highest level of the discharge side length.

5. The contents of operating conditions, such as the operation of saturated steam force P of liquid, pressure PS at suction side, pressure vessel PZ at exhaust side, altitude, ambient temperature gap or continuous operation, and the position of pump is fixed or portable.

Our updates and blog posts

The importance of pump-component.

Pump seals are key components to prevent liquid leakage inside the pump body, usually composed of fixed rings, movable rings, springs, etc.In the vertical centrifugal pump, the mechanical seal is under the action of centrifugal force, which is prone to leakage and water leakage due to long-term wear.

What is disposable e-cigarettes?

An e-cigarette is an electronic product that simulates tobacco. Increasing health awareness among consumers is likely to stimulate the demand for non-tobacco products throughout the forecast period.

About pump-component

Submersible Pump Seals is a device used to prevent mixing or leaking of liquid inside and outside a pump

Contat Us

Do you have any question? Don't hesitate to contact with us

Sending your message. Please wait...