Product Description

 

CDU Ring Coupling Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove. Working pressure:1.6-4.0Mpa/6.4Mpa/10Mpa/1.0-2.5Mpa Feature:1.easy to install, easy to disassemble, and 5-10 times higher work efficiency.2.The connection is flexible, effectively reduce mechanical vibration, and the seismic effect is excellent.3.It can rotate 360 degrees around the tube axis and adjust the wear surface easily.4.The sequence of pipe rows is arbitrary, and can be constructed head-to-head or separately.5.Wear resistance, corrosion resistance, long service life. Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings. Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

KRJ shoulder Coupling Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove. Working pressure:10Mpa/6.4Mpa/4Mpa/2.5Mpa/1.6Mpa. Feature:Has a self-sealing effect.Reliable performance and easy installation. Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system. Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

KRH short  Coupling Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove. Working pressure:1.0-10Mpa/1.0-2.5Mpa/1.0-1.6Mpa Feature:Has a self-sealing effect.Reliable performance and easy installation. Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system. Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

Grooved Flexible High Pressure Coupling Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove. Size range:33~325mm Working pressure:10Mpa Feature:1.Flexible connection, strong adaptability, can provide 0~4 degrees of deflection Angle.                2.It has the function of shock absorption and heat expansion and contraction.                3.The joint surface can be hot-dip galvanized or plasticized. Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings. Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your 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 balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.
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What role does a flexible coupling play in minimizing wear and tear on connected components?

A flexible coupling plays a vital role in minimizing wear and tear on connected components by absorbing and mitigating various mechanical stresses that occur during operation. Here’s how a flexible coupling achieves this:

• Misalignment Compensation: One of the primary causes of wear and tear on rotating machinery is misalignment between connected shafts. Misalignment can occur due to factors such as thermal expansion, foundation settling, or assembly errors. A flexible coupling can accommodate both angular and parallel misalignments, reducing the stress on the shafts and connected components. By allowing for misalignment, the coupling prevents excessive forces from being transmitted to the connected components, minimizing wear.
• Vibration Damping: During operation, rotating machinery can generate vibrations that lead to accelerated wear on components like bearings, gears, and couplings. A flexible coupling acts as a vibration damper, absorbing and dispersing vibrations, reducing their impact on connected components. This damping effect helps prevent fatigue and extends the life of the components.
• Shock Absorption: Machinery may experience sudden shocks or impact loads during start-ups, shutdowns, or due to external factors. A flexible coupling is designed to absorb and cushion these shocks, preventing them from propagating through the system and causing damage to sensitive components.
• Smooth Torque Transmission: In rigid couplings, torque transmission between shafts can be abrupt and cause torque spikes. These spikes put stress on the connected components, leading to wear and fatigue. Flexible couplings transmit torque smoothly, without sudden spikes, ensuring even distribution of forces and reducing the wear on components.
• Controlling Torsional Vibrations: Torsional vibrations, a type of vibration that affects rotating shafts, can be damaging to connected components. Some flexible couplings are designed to address torsional vibration issues, providing additional protection against wear and tear.
• Compensating for Thermal Expansion: Temperature fluctuations can lead to thermal expansion or contraction of machinery components. A flexible coupling can accommodate these changes, preventing undue stress on the connected components that may arise from differential expansion rates.

By performing these functions, a flexible coupling acts as a protective barrier for connected components, minimizing wear and tear, and contributing to their longevity. The reduced wear and stress on the components also result in lower maintenance costs and improved overall reliability of the mechanical system.

What are the differences between single and double flexible coupling designs?

Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:

• Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
• Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
• Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
• Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
• Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
• Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
• Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.

Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.

What are the maintenance requirements for flexible couplings?

Maintenance of flexible couplings is essential to ensure their reliable and efficient performance over their service life. Proper maintenance helps prevent premature wear, reduces the risk of unexpected failures, and extends the lifespan of the couplings. Here are some key maintenance requirements for flexible couplings:

• Regular Inspection: Perform regular visual inspections of the flexible couplings to check for signs of wear, damage, or misalignment. Look for cracks, tears, or any other visible issues in the coupling components.
• Lubrication: Some flexible couplings, especially those with moving parts or sliding surfaces, may require periodic lubrication. Follow the manufacturer’s recommendations regarding the type and frequency of lubrication to ensure smooth operation.
• Alignment Checks: Misalignment is a common cause of coupling failure. Regularly check the alignment of the connected shafts and adjust as necessary. Proper alignment reduces stress on the coupling and improves power transmission efficiency.
• Torque Monitoring: Monitoring the torque transmitted through the coupling can help detect any abnormal or excessive loads. If the coupling is subjected to loads beyond its rated capacity, it may lead to premature failure.
• Environmental Protection: If the couplings are exposed to harsh environmental conditions, take measures to protect them from dust, dirt, moisture, and corrosive substances. Consider using protective covers or seals to shield the couplings from potential contaminants.
• Temperature Considerations: Ensure that the operating temperature of the flexible coupling is within its designed range. Excessive heat can accelerate wear, while extremely low temperatures may affect the flexibility of certain coupling materials.
• Replace Worn or Damaged Parts: If any components of the flexible coupling show signs of wear or damage, replace them promptly with genuine replacement parts from the manufacturer.
• Manufacturer’s Guidelines: Follow the maintenance guidelines provided by the coupling manufacturer. They often include specific maintenance intervals and procedures tailored to the coupling’s design and materials.
• Training and Expertise: Ensure that maintenance personnel have the necessary training and expertise to inspect and maintain the flexible couplings properly. Improper maintenance practices can lead to further issues and compromise the coupling’s performance.

By adhering to these maintenance requirements, you can maximize the service life of the flexible couplings and minimize the risk of unexpected downtime or costly repairs. Regular maintenance helps maintain the efficiency and reliability of the coupling in various industrial, automotive, and machinery applications.

editor by CX 2024-04-12