Product Description

Hot sale: low noise,no leakage, no additional cost for rigid shaft coupling magnetic couple motor couplings

Introduction of rigid shaft coupling magnetic couple motor couplings

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

They are consisted of 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 electric motor or gear box. 

Magnetic shaft coupling are widely used in various industries and fields, such as chemical, papermaking, foodstuff, pharmacy, and so on. 

Advantages of rigid shaft coupling magnetic couple motor 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 use of standard pumps without expensive mechanical seals.

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


Technical drawing of rigid shaft coupling magnetic couple motor couplings

Specification of rigid shaft coupling magnetic couple motor 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 rigid shaft coupling magnetic couple motor 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 rigid shaft coupling magnetic couple motor couplings

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


Packing Method of rigid shaft coupling magnetic couple motor couplings

Double strength corrugated Carton and Wood case Sea Packing.




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magnetic coupling

How Magnetic Couplings Maintain Efficiency and Reduce Power Loss During Operation

Magnetic couplings offer several features that contribute to their efficiency and help reduce power loss during operation. These characteristics ensure that the majority of the input power is effectively transferred to the driven shaft, leading to enhanced overall system performance. Here’s how magnetic couplings achieve this:

  • Non-Contact Power Transmission:

    Unlike mechanical couplings that rely on physical contact between components, magnetic couplings operate on the principle of magnetism. There is no friction or mechanical wear, which means there are no energy losses due to rubbing surfaces. The non-contact nature of magnetic couplings significantly reduces power loss and improves efficiency.

  • Elimination of Bearings:

    In traditional couplings, bearings are often used to support the shafts and minimize friction during rotation. Bearings can contribute to power loss as a portion of the input power is used to overcome bearing friction. In contrast, magnetic couplings do not require bearings for power transmission, further reducing power losses associated with bearing friction.

  • Reduced Heat Generation:

    Magnetic couplings generate minimal heat during operation. In mechanical couplings, friction between rotating components can lead to heat generation and energy loss. The absence of mechanical contact in magnetic couplings means that the heat generation is significantly lower, preserving energy efficiency.

  • Optimized Magnetic Design:

    Magnetic couplings are engineered with optimized magnetic designs to minimize eddy current losses. Eddy currents can be induced in conducting materials, such as the containment shell or rotor, leading to power dissipation. Manufacturers carefully design the coupling’s magnetic configuration to reduce eddy current losses and improve overall efficiency.

  • Customization for Specific Applications:

    Magnetic couplings can be customized for specific applications, allowing for efficient power transmission in diverse operating conditions. Engineers can tailor the coupling’s design, materials, and magnet configurations to match the torque and speed requirements of the application, ensuring maximum efficiency.

  • Alignment Flexibility:

    Magnetic couplings offer some misalignment tolerance between the driving and driven shafts. This flexibility allows for better alignment under dynamic conditions, minimizing the chances of energy losses due to misalignment-related stresses.

By combining these efficiency-enhancing features, magnetic couplings can maintain high levels of energy transfer from the driving to the driven shaft, resulting in reduced power loss and improved overall system efficiency. These advantages make magnetic couplings suitable for various applications, including pumps, agitators, and other systems where energy efficiency is critical.

magnetic coupling

Where Can I Find Reputable Suppliers or Manufacturers of Magnetic Couplings for Specific Engineering Needs?

When searching for reputable suppliers or manufacturers of magnetic couplings, it is essential to consider several factors to meet your specific engineering needs. Here are some valuable resources and steps to help you find reliable suppliers:

  1. Online Directories:

    Online directories, such as ThomasNet, Alibaba, and GlobalSpec, are valuable platforms to search for manufacturers and suppliers of magnetic couplings. These directories provide detailed information about companies, their products, and their capabilities, making it easier to identify potential suppliers.

  2. Trade Shows and Conferences:

    Attending trade shows and engineering conferences related to your industry can be an excellent way to meet and connect with magnetic coupling manufacturers in person. These events provide an opportunity to see product demonstrations, discuss your specific needs, and establish direct contacts with suppliers.

  3. Industry Associations:

    Industry associations and organizations often have a network of members, including suppliers and manufacturers of various engineering components. They may provide valuable recommendations and insights on reputable suppliers of magnetic couplings within your industry.

  4. Referrals and Recommendations:

    Seeking referrals from colleagues or industry professionals who have experience with magnetic couplings can be valuable. Recommendations from trusted sources can save time and help you find reliable suppliers.

  5. Online Research:

    Performing online research and reading customer reviews and testimonials can give you insights into the reputation and reliability of different magnetic coupling suppliers. Look for manufacturers with positive feedback and a track record of delivering quality products.

  6. Supplier Websites:

    Visit the websites of potential magnetic coupling suppliers to learn more about their products, services, and manufacturing capabilities. Look for suppliers with a comprehensive product range, engineering expertise, and a commitment to meeting specific customer requirements.

  7. Customization Options:

    Consider suppliers who offer customization options to meet your specific engineering needs. Magnetic couplings may need to be tailored for particular torque, speed, or environmental requirements, so selecting a manufacturer with the ability to create bespoke solutions is essential.

It is crucial to establish clear communication with potential suppliers, sharing your engineering specifications and expectations. Requesting samples or prototypes, if possible, can also help evaluate the suitability of the magnetic couplings for your specific applications. Ultimately, choosing a reputable and experienced supplier will ensure that you receive high-quality magnetic couplings that meet your engineering needs and contribute to the success of your projects.

magnetic coupling

Key Design Considerations When Using Magnetic Couplings in Pumps and Agitators

When incorporating magnetic couplings in pumps and agitators, several critical design considerations need to be taken into account to ensure effective and reliable operation. These considerations include:

  1. Fluid Characteristics:

    Understand the properties of the fluid being handled, including viscosity, temperature, and corrosiveness. High-viscosity fluids may require larger magnets to generate sufficient torque, while corrosive fluids may necessitate materials with excellent chemical resistance.

  2. Torque Requirements:

    Determine the required torque for the specific pump or agitator application. Magnetic couplings must be designed to transmit the necessary torque to handle the fluid flow or agitation load effectively.

  3. Alignment and Space Constraints:

    Consider the available space and potential misalignment between the driving and driven shafts. Magnetic couplings can accommodate some misalignment, but proper alignment is essential to ensure efficient power transmission and avoid unnecessary stresses on the system.

  4. Speed and Efficiency:

    Evaluate the speed requirements of the pump or agitator. Magnetic couplings are capable of high-speed operation, but it’s crucial to optimize the design to minimize eddy current losses and ensure maximum efficiency.

  5. Containment and Hermetic Sealing:

    Ensure that the magnetic coupling provides adequate containment and hermetic sealing to prevent fluid leakage or contamination. This is especially critical when handling hazardous or sensitive fluids.

  6. Materials and Coatings:

    Select appropriate materials for the magnetic coupling components based on the fluid characteristics. Stainless steel, ceramics, or specialized coatings can enhance the coupling’s durability and resistance to corrosion.

  7. Overload Protection:

    Consider incorporating overload protection features in the magnetic coupling design. This can include slip mechanisms or torque limiters to prevent damage to the driving motor and connected equipment in case of sudden overloads or blockages.

  8. Environmental Conditions:

    Take into account the environmental conditions in which the pump or agitator will operate. Extreme temperatures, humidity, or exposure to aggressive chemicals can influence the choice of materials and coatings for the magnetic coupling.

  9. Integration with System Components:

    Ensure that the magnetic coupling design integrates seamlessly with other system components. Proper coupling sizing, mounting, and alignment procedures are essential for trouble-free installation and operation.

  10. Manufacturer Expertise:

    Collaborate with manufacturers experienced in designing magnetic couplings for pumps and agitators. Work with experts who can provide customized solutions tailored to your specific application needs.

By carefully considering these design factors, you can maximize the benefits of using magnetic couplings in pumps and agitators, such as improved reliability, reduced maintenance, and enhanced system performance.

China Good quality Rigid Shaft Coupling Magnetic Couple Motor Couplings  China Good quality Rigid Shaft Coupling Magnetic Couple Motor Couplings
editor by CX 2024-02-21