China best Kaeser Screw Air Compressor Parts 5.3129.3 Flexible Elastomeric Coupling Element

Product Description


Kaeser 5.3129.3 Flexible Elastomeric Coupling Parts

Capscrews: Standard Imperial
Coupling Size(s): E30
Coupling Style: Close Coupled
Element Material: Urethane (Orange)
Element Style: High Misalignment
Shoe Coating: Standard Coating
Allowable Distance Between Shaft Ends: 0.25 in- 2.50 in (6mm – 64mm)
Continuous Torque Rating: 3,650Ib-in/412Nm
Coupling Type: Elastomeric
Major Diameter of Coupling: 8.25 in/ 210mm
Maximum Speed Rating: 5,800 RPM


CHINAMFG E Series Flexible Elements size(s) E30 close coupled style with standard imperial and standard shoe coating in Urethane (Orange) material for elastomeric couplings.


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Company Profile&Certifications:

      Now over 100,000 quality filters including compressed air filters, Hydraulic Filters and complete filter housing assemblies at wholesale discounts. We offer OEM products as well as high quality replacements, engineered to precise OEM specifications and guaranteed to match the exact form, fit and function as the original equipment. Our company is committed to continuous innovation and further improvement to create, improve the efficiency and productivity of excellence, to achieve the highest level of reliability and performance.



Q1. What is your product range?
A: Our products cover replacement hydraulic filter, Air compressor filters, Compressed air filter element, Heavy truck insert filters, Vacuum pump filters, and Some spare parts for compressors.

Q2. Is customized filter or OEM available? 
A: Yes, just offer your required specifications and drawings.

Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build new molds, but open new mold fee charged, when you place bulk order, the mold fee can return back.

Q4. What’s your terms of packing?
A: Generally, we pack our goods in neutral boxes,outside brown carton cases. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q5. What’s the terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balancing.

Q6. What’s your terms of delivery?
A: (1)FOB (2)CFR (3)CIF.

Q7. How about your delivery time?
A: Generally, under MOQ quantity take 5-7 working days after receiving your advance payment. The specific delivery time depends on models and the quantity of your order.

Q8. What’s your sample policy?
A: ,,,.


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elastomeric coupling

Differences Between Elastomeric Couplings Made from Different Materials

Elastomeric couplings can be manufactured using various materials, each offering unique properties that influence the coupling’s performance in different applications. Here are the key differences between couplings made from rubber, polyurethane, and silicone:

1. Rubber Elastomers:

Rubber elastomers are commonly used in elastomeric couplings due to their excellent resilience, flexibility, and damping properties. They can handle a wide range of temperatures and are resistant to abrasion and wear. Rubber couplings are ideal for general-purpose applications where moderate torque and misalignment compensation are required.

2. Polyurethane Elastomers:

Polyurethane elastomers provide higher strength and load-bearing capabilities compared to rubber. They have better resistance to oils, chemicals, and harsh environments. Polyurethane couplings are suitable for applications involving higher torque, shock loads, and exposure to aggressive substances.

3. Silicone Elastomers:

Silicone elastomers offer superior thermal stability and can withstand extreme temperature variations. They exhibit excellent electrical insulation properties and are resistant to aging and weathering. Silicone couplings are often used in applications that require high-temperature resistance and electrical isolation.

4. Damping and Resilience:

Rubber generally provides better damping properties, making it effective in reducing vibrations and noise. Polyurethane offers higher resilience, which can be advantageous in applications with frequent torque spikes and shock loads. Silicone combines good damping with high-temperature resistance.

5. Environmental Compatibility:

Polyurethane and silicone couplings tend to have better resistance to chemicals, oils, and extreme temperatures, making them suitable for demanding environments. Rubber couplings may have limitations in certain aggressive chemical environments.

6. Cost and Performance Balance:

The choice of material also affects the cost of the coupling. Rubber is generally more cost-effective, while polyurethane and silicone may be more expensive but offer specific performance advantages in certain applications.

When selecting an elastomeric coupling, it is crucial to consider the specific requirements of the application, such as torque, speed, misalignment, temperature range, and chemical exposure. The material choice should align with the demands of the operating conditions to ensure optimal coupling performance and longevity.

elastomeric coupling

Common Industries Where Elastomeric Couplings Find Significant Usage

Elastomeric couplings are versatile components widely used in various industries to facilitate efficient power transmission and protect machinery from torsional vibrations and misalignments. Some of the common industries where elastomeric couplings find significant usage include:

1. Manufacturing and Industrial Machinery:

Elastomeric couplings are commonly employed in manufacturing machinery such as conveyor systems, pumps, compressors, mixers, and machine tools. They help connect the motor and driven equipment, providing smooth power transmission and reducing vibrations.

2. Automotive:

In the automotive industry, elastomeric couplings are used in drivetrain systems, including propeller shafts, steering systems, and powertrain components. They offer excellent damping characteristics to absorb vibrations and shocks during vehicle operation.

3. Aerospace and Defense:

Elastomeric couplings play a crucial role in aerospace and defense applications, where lightweight and reliable power transmission is essential. They are used in aircraft engines, rotor systems, missile guidance systems, and various other aerospace components.

4. Energy and Power Generation:

Elastomeric couplings are used in power generation plants, including thermal, hydroelectric, and wind power plants. They connect generators to turbines and help absorb torsional vibrations, ensuring stable and efficient power transmission.

5. Oil and Gas:

In the oil and gas industry, elastomeric couplings are used in various equipment, such as pumps, compressors, and drilling rigs. They provide reliable power transmission and help protect the equipment from dynamic loads and vibrations.

6. Mining and Construction:

Elastomeric couplings are commonly found in mining and construction machinery, such as crushers, excavators, and conveyor systems. They enable efficient power transfer and help withstand heavy loads and harsh operating conditions.

7. Marine:

In marine applications, elastomeric couplings are used in propulsion systems and marine pumps. They offer excellent resistance to seawater and provide reliable power transmission in marine vessels.

8. Renewable Energy:

In the renewable energy sector, elastomeric couplings are used in wind turbines and solar tracking systems. They help adjust the alignment between the components and absorb wind and solar-induced dynamic loads.

Elastomeric couplings’ ability to dampen vibrations, compensate for misalignments, and provide flexibility makes them suitable for a wide range of industrial applications. Their widespread usage across diverse industries highlights their importance in enhancing equipment reliability, reducing maintenance costs, and improving overall operational efficiency.

elastomeric coupling

Limitations and Drawbacks of Using Elastomeric Couplings in Specific Scenarios

While elastomeric couplings offer several advantages, they may not be the ideal choice for every scenario. There are some limitations and drawbacks to consider, particularly in specific industrial applications. Here are some key points to be aware of:

1. Torque Capacity:

Elastomeric couplings may have limitations in handling high torque levels. In heavy-duty applications with significant torque requirements, a different type of coupling, such as a gear coupling or grid coupling, might be more suitable.

2. Temperature Range:

Elastomeric materials have temperature limitations. In environments with extreme temperatures, such as high-temperature industrial processes or cryogenic applications, elastomeric couplings may degrade or lose their flexibility, affecting their performance and lifespan.

3. Chemical Compatibility:

Some chemicals or aggressive substances may degrade the elastomeric material used in the coupling. In such cases, alternative coupling materials, like stainless steel or special coatings, should be considered.

4. High-Speed Applications:

In applications with high rotational speeds, elastomeric couplings might experience dynamic issues like resonance or flutter, which can lead to premature wear or failure. High-speed applications often require specialized couplings, such as disc couplings or diaphragm couplings.

5. Stiffness and Torsional Rigidity:

For applications requiring precise motion control or minimal angular deflection, elastomeric couplings might not provide the necessary stiffness or torsional rigidity. In such cases, rigid couplings or precision couplings are better suited.

6. Axial Load Handling:

Elastomeric couplings are primarily designed for torque transmission and misalignment compensation. They may not be suitable for handling significant axial loads between connected shafts.

7. Maintenance in Harsh Environments:

In environments with abrasive particles, high humidity, or other harsh conditions, elastomeric couplings might require more frequent maintenance to prevent premature wear.

8. Space Limitations:

Due to their flexible design, elastomeric couplings might require more space compared to some other coupling types. In compact or space-constrained applications, alternative couplings with more compact designs might be preferred.

Despite these limitations, elastomeric couplings remain highly versatile and effective in numerous industrial applications. However, it’s crucial to carefully consider the specific requirements and operating conditions of each application to determine whether an elastomeric coupling is the best choice or if an alternative coupling type might be more suitable.

China best Kaeser Screw Air Compressor Parts 5.3129.3 Flexible Elastomeric Coupling Element  China best Kaeser Screw Air Compressor Parts 5.3129.3 Flexible Elastomeric Coupling Element
editor by CX 2024-04-30