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

Can Magnetic Couplings Be Used in Applications Involving Corrosive or Aggressive Fluids?

Yes, magnetic couplings can be used in applications involving corrosive or aggressive fluids, provided that the coupling is constructed using materials that are compatible with the specific fluid being handled. The ability to use magnetic couplings with corrosive or aggressive fluids depends on the material selection and design of the coupling.

When handling corrosive or aggressive fluids, it’s essential to consider the following factors:

  1. Material Compatibility:

    Select materials for the magnetic coupling that are resistant to the corrosive properties of the fluid. For example, stainless steel, Hastelloy, or certain grades of ceramics are commonly used for components that come into contact with corrosive fluids.

  2. Hermetic Sealing:

    Ensure that the magnetic coupling provides a hermetic seal to prevent fluid leakage. The containment shell and other sealing components must be able to withstand the chemical properties of the aggressive fluid.

  3. Coatings and Lining:

    In some cases, coatings or lining materials can be applied to the coupling’s surfaces that are exposed to the fluid. These coatings can offer additional protection against corrosion and ensure compatibility with aggressive fluids.

  4. Fluid Temperature and Pressure:

    Consider the temperature and pressure of the aggressive fluid, as it may influence the material selection and design of the magnetic coupling. High temperatures or pressures can impact the coupling’s performance and material integrity.

  5. Fluid Properties:

    Understand the specific chemical properties of the aggressive fluid, such as acidity, alkalinity, or reactivity. This information is crucial for selecting appropriate materials and ensuring the coupling can handle the fluid’s properties.

  6. Manufacturer’s Recommendations:

    Consult the magnetic coupling manufacturer for their recommendations on material selection and design considerations for applications involving corrosive or aggressive fluids. They can provide guidance based on their expertise and product specifications.

By carefully considering material compatibility and design factors, magnetic couplings can be successfully used in a wide range of applications involving corrosive or aggressive fluids. These couplings offer advantages such as leak-free operation, reduced maintenance, and the absence of wear-prone components, making them suitable for various industries, including chemical processing, petrochemicals, and pharmaceuticals.

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

How Magnetic Couplings Prevent Leakage and Offer a Hermetically Sealed Solution in Industrial Processes

Magnetic couplings provide a hermetically sealed solution in industrial processes by utilizing their unique non-contact power transmission principle. This design allows them to prevent leakage effectively and maintain a reliable, sealed environment. Here’s how magnetic couplings achieve this:

  1. Non-Contact Power Transmission:

    Magnetic couplings operate without any physical connection between the driving and driven shafts. Instead, they use a magnetic field to transmit torque from one rotor to another. The absence of direct contact between components eliminates the need for shaft seals that are common in traditional mechanical couplings.

  2. Containment Shell:

    Magnetic couplings consist of two rotors—an outer rotor connected to the driving shaft and an inner rotor connected to the driven shaft. These rotors are separated by a containment shell made of non-magnetic material with high magnetic permeability. The containment shell encloses the magnetic fields and acts as a barrier to prevent fluid leakage.

  3. Hermetic Sealing:

    The containment shell provides hermetic sealing between the input and output shafts. As the magnetic fields pass through the containment shell, it effectively seals the coupling, creating a barrier that isolates the fluid being handled in the pump or agitator from the external environment. This hermetic sealing prevents fluid leakage, even when dealing with hazardous or corrosive fluids.

  4. No Dynamic Seals:

    In mechanical couplings, dynamic seals are used to prevent fluid leakage at the point where the shaft exits the casing. These seals are prone to wear, aging, and failure over time, leading to potential leaks. Magnetic couplings eliminate the need for dynamic seals, reducing the risk of fluid leakage and improving the overall reliability of the system.

  5. High Torque Transmission:

    Magnetic couplings are designed to handle high torque transmission, making them suitable for a wide range of industrial processes. The strength of the magnetic field and the proper choice of materials ensure that the coupling remains effective and leak-free even under challenging operating conditions.

Due to their hermetically sealed design, magnetic couplings are commonly used in industries where fluid leakage could lead to product contamination, environmental hazards, or safety risks. These industries include chemical processing, pharmaceuticals, food and beverage, and other applications where a sealed and leak-free environment is critical.

China Custom Magnetic Exchange Pump Couplings Magnetic Couplings  China Custom Magnetic Exchange Pump Couplings Magnetic Couplings
editor by CX 2024-04-15