Product Description

Please send us the following information.

1. Motor output power(KW)
2. Motor speed(RPM)
3.The torque of the magnetic coupling
4. Working pressure of the housing(isolation sleeve)
5.Working temperature of magnetic coupling
6. Technical drawing of the output part connector (usually motor)
7. Technical drawing of the input part connector (usually pump)

Introduction of magnetic exchange pump couplings magnetic couplings

The magnetic shaft coupling is a new kind of coupling, which connects motor and machine by permanent magnetic force. 

They consist of the external rotor, internal rotor and isolating covers.

They work in the sealed magnetic drive pumps, which transporting volatile, flammable, explosive and toxic solutions with no leakage. 

These magnetic shaft couplings can be used to connect gear pumps, screw pumps, centrifugal pumps, etc. with all types of the electric motor or gear box. 

The magnetic shaft coupling is widely used in various industries and fields, such as chemical, papermaking, foodstuff, pharmacy, and so on. 

Advantages of magnetic exchange pump couplings magnetic couplings

» Elimination of fluid leakage from the pump shaft.

» Vibrations are not transmitted to the pump.

» No maintenance required for magnetic couplings.

» Using magnetic couplings allows the use of standard pumps without expensive mechanical seals.

» No additional cost for purchasing mechanical seal spare parts and maintenance.


Technical drawing of magnetic exchange pump couplings magnetic couplings


Specification of magnetic exchange pump couplings magnetic couplings

Item Internal Rotor(mm) External Rotor(mm) Isolating Covering(mm)
A B C D E F G Shaft Pin H I J L N M P Q R S T U
GME03-3LM00 Φ35 Φ10 26 18 M6X12 Φ42 Φ60 Φ50 46 6-M4 Φ40 Φ50 4-Φ5.4 Φ38 Φ60 6 6
GME03-5MM00 Φ42 Φ12 27 4 18 13.8 M6X16 Φ49 Φ72 Φ60 46 4-Φ6.7 Φ52 Φ60 4-Φ6.7 Φ44 Φ74 8 8
GME03-16LM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-16LM01 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 4-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 6 10
GME03-16MM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-22LM00 Φ88 Φ20 29 6 25 22.8 M8X20 Φ97 Φ122 Φ110 70 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-30LM00 Φ88 Φ20 48 6 30 22.8 M8X20 Φ97 Φ122 Φ110 81 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-40LM00 Φ101 Φ25 49 8 28 28.3 M10X20 Φ109 Φ140 Φ124 83 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-50LM00 Φ107 Φ20 70 6 30 22.8 M6X16 Φ113.4 Φ145 Φ135 80 4-M6 Φ126 Φ133 12-Φ8.7 Φ109 Φ153 12 15
GME03-65LM00 Φ101 Φ25 77 8 45 28.3 M10X20 Φ109 Φ140 Φ124 111 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-80LM00 Φ106 Φ32 65 10 21 36.5 M6X25 Φ115 Φ145 Φ135 82 4-M6 Φ127 Φ135 6-Φ8.7 Φ110 Φ153 13 18
GME03-80LM00 Φ141 Φ92 Φ40 65 12 45 43.3 M12X25 Φ152 Φ180 Φ168 100 8-M8 Φ154 Φ164 8-Φ6.7 Φ145 Φ180 12 8
GME03-100LM00 Φ131 Φ82 Φ32 80 10 24.5 35.3 M8X35 Φ139 Φ170 Φ160 100 4-M6 Φ152 Φ158 8-Φ8.7 Φ133 Φ178 14 21
GME03-110LH00 Φ141 Φ92 Φ40 85 10 50 43.3 M12X25 Φ152 Φ184 Φ168 115 12-M8 Φ156 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-110LM00 Φ141 Φ92 Φ35 80 10 55 38.3 M12X25 Φ152 Φ180 Φ168 115 12-M8 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-140LM00 Φ141 Φ92 Φ40 110 12 80 43.3 M12X25 Φ152 Φ190 Φ170 145 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-180LM00 Φ141 Φ92 Φ40 140 12 95 43.3 M12X25 Φ152 Φ190 Φ170 175 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-220LM00 Φ141 Φ92 Φ48 160 14 110 51.8 M12X25 Φ152 Φ190 Φ170 195 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-300LM00 Φ162 Φ65 100 18 60 69.4   Φ170 Φ198 Φ188 123 12-M6 Φ180 Φ192 12-Φ11 Φ163.5 Φ218 16 10
GME03-400LH00 Φ195 Φ70 127 20 107 79.9 M12X25 Φ203 Φ234 Φ222 152 6-M6 Φ212 Φ164 12-Φ11 Φ198 Φ278 16 22

Application of magnetic exchange pump couplings magnetic couplings

The ability to hermetically separate 2 areas whilst continuing to transmit mechanical power from one to the other makes these couplings ideal for applications where prevention of cross-contamination is essential. For instance: hydraulic sectors, dosing systems, compressors, sterilizers, industrial ovens, biotechnology, subsea equipment, pharmaceutical industry, chemical industry, food industry, generators, and mixers.

Operation principles of magnetic exchange pump couplings magnetic couplings

The magnetic coupling works by using the power generated by permanent magnets. No external power supply is needed. These are permanent magnets, not electromagnets.

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magnetic coupling

Are there any Safety Considerations or Guidelines for Using Magnetic Couplings in Hazardous Environments?

Yes, when using magnetic couplings in hazardous environments, there are several safety considerations and guidelines that should be followed to ensure the safety of personnel and equipment. Hazardous environments may involve flammable, explosive, or corrosive substances, and it’s crucial to address potential risks. Here are the safety considerations and guidelines:

  1. Material Selection:

    Choose magnetic couplings constructed from materials that are compatible with the hazardous substances present in the environment. For example, some chemicals may be corrosive, so the coupling’s materials must resist corrosion to maintain integrity.

  2. Sealing:

    Ensure that the magnetic coupling provides a hermetic seal to prevent fluid leakage and the release of hazardous substances into the environment. The containment shell should be designed to withstand the pressures and temperatures of the specific application.

  3. Explosion-Proof:

    In environments where flammable or explosive substances are present, consider using explosion-proof magnetic couplings. These couplings are designed to prevent the ignition of flammable gases or vapors in the event of a fault.

  4. Compliance with Regulations:

    Ensure that the magnetic coupling meets all relevant safety and industry standards for hazardous environments. Compliance with regulations, such as ATEX or IECEx, is essential to ensure the coupling’s suitability for use in specific hazardous locations.

  5. Environmental Conditions:

    Evaluate the environmental conditions of the hazardous area, including temperature, pressure, and chemical exposure. The magnetic coupling should be rated and designed to withstand the specific conditions of the environment.

  6. Grounding:

    Properly ground the magnetic coupling and the associated equipment to dissipate any static charges and prevent sparks that could ignite flammable substances.

  7. Installation and Maintenance:

    Follow the manufacturer’s recommended installation and maintenance procedures to ensure the magnetic coupling functions correctly in the hazardous environment. Regular inspections and maintenance are essential to identify and address any potential issues.

  8. Training and Awareness:

    Provide training to personnel working in the hazardous area about the risks associated with magnetic couplings and the proper procedures to follow in case of any abnormalities or emergencies.

It is crucial to consult with experts or engineers experienced in hazardous environments to ensure that the magnetic coupling is appropriately selected and installed for the specific application. Following these safety considerations and guidelines will help mitigate risks and ensure safe operation in hazardous environments.

magnetic coupling

Are Magnetic Couplings Suitable for High-Torque or High-Speed Applications in Various Industries?

Yes, magnetic couplings are suitable for high-torque or high-speed applications in various industries, depending on the specific design and material selection. These couplings offer distinct advantages that make them a viable choice for demanding applications with elevated torque and speed requirements.

Here’s how magnetic couplings perform in high-torque and high-speed scenarios:

  1. High-Torque Applications:

    Magnetic couplings can handle high-torque applications efficiently. Neodymium and samarium cobalt magnets, known for their strong magnetic properties, enable magnetic couplings to transmit substantial torque without the need for physical contact. The absence of frictional wear and the robustness of these magnet materials make magnetic couplings well-suited for applications that demand high torque, such as large pumps, agitators, mixers, and heavy-duty industrial machinery.

  2. High-Speed Applications:

    Magnetic couplings can also be designed for high-speed applications. The absence of physical contact between the driving and driven components reduces the risk of mechanical wear and allows magnetic couplings to operate smoothly at high rotational speeds. The magnetic fields effectively transmit power without compromising efficiency or generating excessive heat. Industries such as automotive, aerospace, and precision machinery benefit from magnetic couplings’ ability to maintain performance and reliability at high speeds.

  3. Advantages in Various Industries:

    Magnetic couplings find applications across diverse industries due to their ability to handle high-torque and high-speed requirements. Some notable industries where magnetic couplings are utilized include:

    • Chemical and Petrochemical: Magnetic couplings are employed in pumps and agitators, where they prevent fluid leakage and provide a hermetically sealed solution. They are ideal for handling aggressive chemicals and corrosive substances.
    • Pharmaceutical: In pharmaceutical processes, magnetic couplings are used in mixers and reactors to prevent contamination and ensure sterile operation.
    • Automotive: Magnetic couplings find use in cooling systems, turbochargers, and various engine components to enhance efficiency and reduce maintenance.
    • Renewable Energy: In wind turbines, magnetic couplings are utilized to transfer power between the turbine rotor and the generator, offering a maintenance-free and reliable solution.
    • Food and Beverage: Magnetic couplings are employed in pumps and mixers for hygienic applications, ensuring no product contamination and meeting food safety standards.

Overall, magnetic couplings demonstrate versatility and effectiveness in high-torque and high-speed applications across multiple industries. Their ability to provide reliable power transmission without mechanical wear and the advantages of hermetic sealing make them an attractive choice for critical systems requiring efficiency, safety, and reduced maintenance.

magnetic coupling

Different Types of Magnetic Couplings Used in Various Applications

Magnetic couplings come in different configurations to suit various applications and specific requirements. Some of the common types of magnetic couplings include:

  • Standard Magnetic Couplings:

    These are the most basic and widely used magnetic couplings. They consist of two rotors with permanent magnets and a containment shell. Standard magnetic couplings are suitable for a wide range of applications, providing non-contact power transmission, misalignment compensation, and isolation between shafts.

  • High Torque Magnetic Couplings:

    High torque magnetic couplings are designed to transmit higher levels of torque between the input and output shafts. They feature stronger and larger magnets to handle increased power transmission requirements. These couplings are commonly used in heavy-duty industrial applications, such as mixers, agitators, and large pumps.

  • Low Torque Magnetic Couplings:

    Conversely, low torque magnetic couplings are suitable for applications with lower torque demands. They have smaller and less powerful magnets, making them ideal for applications where precision and efficiency are essential, such as medical devices and laboratory equipment.

  • Variable Torque Magnetic Couplings:

    Variable torque magnetic couplings provide the ability to adjust the torque transmission level. These couplings can be designed with adjustable magnets or magnetic fields, allowing users to control the torque according to the specific needs of the application. They are used in systems where variable speed and torque are required, such as variable speed pumps and compressors.

  • High-Speed Magnetic Couplings:

    High-speed magnetic couplings are designed to handle rapid rotations without compromising on efficiency and reliability. They feature special designs and materials to reduce eddy currents and losses associated with high-speed operation. These couplings are commonly used in centrifugal pumps, turbo machinery, and high-speed motors.

  • Compact Magnetic Couplings:

    Compact magnetic couplings are designed to have a smaller footprint, making them suitable for applications with limited space. They are commonly used in compact pumps, microfluidic systems, and portable devices where space efficiency is crucial.

  • Bi-Directional Magnetic Couplings:

    Bi-directional magnetic couplings allow power transmission in both directions between the input and output shafts. They are used in applications where bidirectional rotation or periodic reversing of motion is required, such as in mixing applications and reversible pumps.

  • Custom Magnetic Couplings:

    Manufacturers can also create custom magnetic couplings tailored to specific applications. Custom couplings are designed to meet unique requirements, such as special torque levels, specific environmental conditions, or integration with proprietary systems.

The choice of the magnetic coupling type depends on factors such as torque requirements, speed, space constraints, environmental conditions, and the level of customization needed for the specific application.

China best Magnetic Exchange Pump Couplings Magnetic Couplings  China best Magnetic Exchange Pump Couplings Magnetic Couplings
editor by CX 2024-02-14