Product Description

Hot sale: low noise,no leakage, no additional cost for pump motor coupling electric motor coupling magnetic coupling principle

Please send us following information.
1. Motor output power(KW)
2. Motor speed(RPM)
3. Torque of the mangetic 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 pump motor coupling electric motor coupling magnetic coupling principle

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 pump motor coupling electric motor coupling magnetic coupling principle

» 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 pump motor coupling electric motor coupling magnetic coupling principle

Specification of pump motor coupling electric motor coupling magnetic coupling principle

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 pump motor coupling electric motor coupling magnetic coupling principle

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 pump motor coupling electric motor coupling magnetic coupling principle

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 pump motor coupling electric motor coupling magnetic coupling principle

Double strength corrugated Carton and Wood case Sea Packing.



motor coupling

Exploring the Use of Elastomeric Materials in Flexible Motor Couplings

Elastomeric materials play a crucial role in the design and function of flexible motor couplings. These materials offer unique properties that make them well-suited for power transmission applications. Here’s an exploration of their use in flexible motor couplings:

1. Flexibility and Damping:

Elastomeric materials, such as rubber or urethane, are highly flexible, allowing them to absorb and dampen vibrations and shocks generated during motor operation. This damping property helps reduce resonance and noise, improving the overall performance of the power transmission system.

2. Misalignment Compensation:

Flexible motor couplings with elastomeric inserts can accommodate both angular and parallel misalignments between the motor and driven equipment shafts. The elastomeric material provides some radial compliance, allowing for smooth torque transmission even when the shafts are slightly misaligned.

3. Shock Absorption:

In applications where the motor or driven equipment is subjected to sudden shocks or impacts, elastomeric materials act as shock absorbers. They absorb and dissipate the impact energy, protecting the coupling and connected components from damage.

4. Low Inertia:

Elastomeric couplings typically have low inertia due to the lightweight nature of the elastomeric material. This low inertia reduces the rotational resistance and allows for rapid acceleration and deceleration of the connected equipment.

5. Corrosion Resistance:

Elastomeric materials are often resistant to corrosion, making them suitable for use in various industrial environments where exposure to moisture or chemicals may occur.

6. Electrical Isolation:

Elastomeric couplings provide electrical isolation between the motor and driven equipment shafts. This is advantageous in applications where electrical continuity must be avoided.

7. Easy Installation:

Elastomeric couplings are generally easy to install due to their simple and lightweight construction. They do not require special tools or complex alignment procedures, making them a popular choice in many applications.

8. Maintenance-Free Operation:

Properly designed and maintained elastomeric couplings can offer maintenance-free operation over extended periods. The absence of mechanical wear elements reduces the need for regular maintenance and replacement.

The use of elastomeric materials in flexible motor couplings provides numerous benefits, making these couplings suitable for a wide range of applications. Their ability to compensate for misalignment, dampen vibrations, and withstand shocks makes them particularly advantageous in situations where smooth and reliable power transmission is essential.

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Specific Safety Precautions When Working with Motor Couplings

Working with motor couplings involves handling mechanical components and power transmission systems, which can pose certain safety risks. It is essential to follow specific safety precautions to prevent accidents and ensure the well-being of personnel. Here are some safety measures to consider:

1. Lockout/Tagout Procedures:

Prior to any maintenance or installation work on motor couplings, follow lockout/tagout procedures to isolate the power source and prevent accidental startup. This ensures the motor and equipment are de-energized, reducing the risk of electrical hazards.

2. Personal Protective Equipment (PPE):

Wear appropriate personal protective equipment, including safety goggles, gloves, and steel-toed shoes, when working with motor couplings. PPE provides protection against potential hazards such as flying debris or pinch points.

3. Proper Lifting Techniques:

When handling heavy couplings or equipment, use proper lifting techniques to avoid strain or injury. Seek assistance if needed to lift and position larger components safely.

4. Inspect Coupling Condition:

Before any work, inspect the coupling for signs of wear, damage, or misalignment. Do not work with a damaged coupling, as it may compromise system integrity and safety.

5. Avoid Excessive Force:

Avoid applying excessive force or using tools that are not appropriate for the job when installing or removing couplings. Excessive force can lead to component failure or personal injury.

6. Follow Manufacturer Guidelines:

Adhere to the manufacturer’s guidelines and instructions during installation, maintenance, and troubleshooting processes. Manufacturer recommendations are designed to ensure safe and proper operation.

7. Regular Inspection and Maintenance:

Implement regular inspection and maintenance schedules for motor couplings and associated equipment. Identify and address any issues promptly to prevent potential hazards or failures.

8. Keep Work Area Clean:

Keep the work area clean and free of clutter. A tidy workspace reduces the risk of accidents and improves overall efficiency.

9. Avoid Contact with Rotating Components:

When the motor is energized, avoid contact with rotating coupling components to prevent injury. Ensure the system is de-energized during maintenance tasks.

10. Training and Competence:

Ensure that personnel working with motor couplings are adequately trained and competent in the procedures and safety measures related to coupling installation, maintenance, and operation.

By following these safety precautions, you can minimize risks and create a safer working environment when handling motor couplings and associated power transmission systems.

“`motor coupling

Types of Motor Couplings and Their Applications in Different Industries

Motor couplings come in various types, each designed to meet specific requirements and applications in different industries. Here are some common types of motor couplings and their typical uses:

1. Rigid Couplings:

Rigid couplings provide a solid and inflexible connection between the motor shaft and the driven equipment. They are ideal for applications where precise alignment and torque transmission are critical. Rigid couplings are commonly used in machine tools, robotics, and high-precision industrial equipment.

2. Flexible Couplings:

Flexible couplings are designed to accommodate misalignment between the motor and driven equipment shafts. They can handle angular, parallel, and axial misalignment, reducing stress on bearings and increasing the system’s flexibility. Flexible couplings find applications in pumps, compressors, conveyors, and other machinery where misalignment may occur due to vibration or thermal expansion.

3. Gear Couplings:

Gear couplings use toothed gears to transmit torque between the motor and the driven equipment. They provide high torque capacity and are suitable for heavy-duty applications, such as steel rolling mills, cranes, and marine propulsion systems.

4. Disc Couplings:

Disc couplings use thin metal discs to transmit torque. They offer high torsional stiffness, allowing precise motion control in applications like servo systems, CNC machines, and robotics.

5. Jaw Couplings:

Jaw couplings use elastomeric elements to dampen vibrations and accommodate misalignment. They are commonly used in small electric motors and general-purpose machinery.

6. Bellows Couplings:

Bellows couplings have a flexible accordion-like structure that compensates for misalignment while maintaining torsional rigidity. They are used in vacuum systems, optical equipment, and other high-precision applications.

7. Grid Couplings:

Grid couplings use a flexible grid element to transmit torque and dampen vibrations. They are suitable for applications in pumps, compressors, and conveyor systems where shock loads and misalignment are common.

8. Magnetic Couplings:

Magnetic couplings use magnetic fields to transmit torque between the motor and driven equipment. They are commonly used in applications requiring hermetic sealing, such as pumps and mixers handling hazardous or corrosive fluids.

Each type of motor coupling offers unique advantages and is chosen based on the specific needs of the industry and the application. Proper selection and installation of the right coupling type enhance efficiency, reliability, and safety in motor-driven systems across various industries.

China supplier Pump Motor Coupling Electric Motor Coupling Magnetic Coupling Principle   motor couplingChina supplier Pump Motor Coupling Electric Motor Coupling Magnetic Coupling Principle   motor coupling
editor by CX 2023-09-07