Working principle and structure of magnetic pump

Update time : 2023-03-13 12:56:47

Magnetic pump is a leak-free sealed pump, its working principle is to use the magnetic force to transfer the rotor power and torque, so as to drive the liquid flow in the pump body. Magnetic pump is a kind of efficient, safe and environmentally friendly pump, which is widely used in chemical, pharmaceutical, food and other industries.

The structure of magnetic pump is generally divided into two parts: the external magnetic drive and the internal pump body. The external magnetic drive is composed of permanent magnets and electromagnets, and transmits the rotating power output by the motor to the internal pump body by means of magnetic coupling. The internal pump body is composed of pump shell, impeller, front and back cover, etc. Generally, there are two magnetically coupled rotors inside the pump body, namely, the outer rotor and the inner rotor. When the external magnetic drive rotor rotation, through the way of magnetic coupling, the inner rotor in the internal pump body will rotate, the liquid on the inner rotor impeller will rotate accordingly, so as to achieve liquid transportation.

The working principle of magnetic pump is mainly divided into two processes: magnetic transmission and power transmission. When the external magnetic drives the rotor to rotate, the rotational force is transferred to the internal pump body through magnetic coupling, thus driving the inner rotor to rotate, and the liquid on the inner rotor impeller rotates accordingly. As there is no direct contact between the internal pump body and the external magnetic drive at the same time, a leak-free seal can be achieved. This will ensure that no leakage occurs during the transfer of liquid, thus improving the efficiency and safety of the pump.

In general, magnetic pump is a non-leakage sealing pump that uses magnetic coupling to transfer power and torque. Its structure is generally divided into two parts: external magnetic drive and internal pump body. Its working principle is to transfer power and torque through the external magnetic drive, drive the inner rotor in the internal pump body to rotate, so as to achieve liquid transportation.

Previous : What are the types of electroplating filter material

Next : How to maintain and upkeep acid-alkali resistant self-priming pumps.

A Complete Guide to Chemical Pump Selection: Industrial Applications, Core Criteria and Marine-Specific Solutions

Aug .12.2026

This guide outlines professional chemical pump selection criteria covering material compatibility, sealing design, safety compliance, and parameter matching. It introduces applicable pump types, strict marine pump requirements, and reliable customized solutions for diverse industrial corrosive fluid handling scenarios.

Plastic Pumps: Key Advantages, Material Progress and Industrial Applications

Aug .04.2026

Industrial Development of Plastic Pump Technology,Core Advantages of Modern Industrial Plastic Pumps,Advanced Upgrades in Modern Plastic Material Performance

A Complete Guide to Magnetic Drive Pumps

Jul .31.2026

A magnetic drive pump (commonly shortened to mag drive pump) is a high-reliability seal-less centrifugal pump that utilizes magnetic coupling technology to transmit power from the electric motor to the internal impeller.

Overview of Magnetic Drive Pumps: Principles, Advantages, Limitations and Industrial Applications

Jul .17.2026

1. What Is a Magnetic Drive Pump? 2. Core Advantages of Magnetic Drive Pumps 3. Key Disadvantages and Limitations of Magnetic Drive Pumps 4. Industrial Applications of Magnetic Drive Pumps and Optimized Alternatives

Cathy Jack

Cathy

Bruce Lee

Leave a message

Language

Language

Working principle and structure of magnetic pump