China high quality UL Listed & FM Approved Reducing Flexible Coupling

Product Description

Product Name:  
Reducing flexible coupling  

Material:
Ductile cast iron 

Standard: 
UL listed & FM approved
also wen can manufacture different size according to client’s requirement.

Sizes available: 
 

Nominal size        Pipe O.D.    Working      pressure               Dimensions Bolt size
    ∅      L     H
mm in mm in PSI Mpa mm in mm in mm in mm
50*25 2*1 60.3*33.7 2.375*1.327 300 2.07 88 3.46 123 4.84 45 1.77 M10*60
50*32 2*1 1/4 60.3*42.40 2.375*1.669 300 2.07 88 3.46 123 4.84 45 1.77 M10*60
50*40 2*1 1/2 60.3*48.3 2.375*1.902 300 2.07 88 3.46 123 4.84 45 1.77 M10*60
65*40 2 1/2*1 1/2 73*48.3 2.874*1.902 300 2.07 100 3.94 135 5.31 45 1.77 M10*65
65*50 2 1/2*2 73*60.3 2.874*2.375 300 2.07 100 3.94 137 5.39 45 1.77 M10*65
65*40 2 1/2*1 1/2 76.1*48.3 2.996*1.902 300 2.07 104 4.09 142 5.59 45 1.77 M10*65
65*50 2 1/2*2 76.1*60.3 2.996*2.375 300 2.07 104 4.09 142 5.59 45 1.77 M10*65
80*25 3*1 88.9*33.7 3.5*1.327 300 2.07 117 4.61 169 6.65 45 1.77 M12*60
80*32 3*1 1/4 88.9*42.4 3.5*1.669 300 2.07 117 4.61 169 6.65 45 1.77 M12*60
80*40 3*1 1/2 88.9*48.3 3.5*1.902 300 2.07 117 4.61 169 6.65 45 1.77 M12*60
80*50 3*2 88.9*60.3 3.5*2.375 300 2.07 118 4.65 169 6.65 45 1.77 M12*65
80*65 3*2 1/2 88.9*73 3.5*2.874 300 2.07 118 4.65 169 6.65 45 1.77 M12*65
80*65 3*2 1/2 88.9*76.1 3.5*2.996 300 2.07 118 4.65 169 6.65 45 1.77 M12*65
100*25 4*1 114.3*33.7 4.5*1.327 300 2.07 145 5.71 198 7.8 49 1.93 M12*60
100*32 4*1 1/4 114.3*42.4 4.5*1.669 300 2.07 145 5.71 198 7.8 49 1.93 M12*65
100*40 4*1 1/2 114.3*48.3 4.5*1.902 300 2.07 145 5.71 198 7.8 49 1.93 M12*65
100*50 4*2 114.3*60.3 4.5*2.375 300 2.07 146 5.75 199 7.83 49 1.93 M12*65
100*65 4*2 1/2 114.3*73 4.5*2.874 300 2.07 146 5.75 199 7.83 49 1.93 M12*65
100*65 4*2 1/2 114.3*76.1 4.5*2.996 300 2.07 146 5.75 199 7.83 49 1.93 M12*65
100*80 4*3 114.3*88.9 4.5*3.5 300 2.07 146 5.75 199 7.83 49 1.93 M12*65
125*50 5*2 139.7*60.3 5.5*2.375 300 2.07 169 6.65 220 8.66 49 1.93 M12*75
125*65 5*2 1/2 139.7*73 5.5*2.874 300 2.07 169 6.65 220 8.66 49 1.93 M12*75
125*80 5*3 139.7*88.9 5.5*3.5 300 2.07 169 6.65 220 8.66 49 1.93 M12*75
125*100 5*4 139.7*114.3 5.5*4.5 300 2.07 169 6.65 220 8.66 49 1.93 M12*75
150*50 6*2 168.3*60.3 6.625*2.375 300 2.07 197 7.76 253 9.96 49 1.93 M12*75
150*100 6*4 168.3*114.3 6.626*4.5 300 2.07 200 7.87 253 9.96 49 1.93 M12*75
200*50 8*2 219.1*60.3 8.626*2.375 300 2.07 254 10 321 12.6 53 2.09 M16*100
200*65 8*2 1/2 219.1*73 8.626*2.874 300 2.07 254 10 321 12.6 53 2.09 M16*100
200*80 8*3 219.1*88.9 8.626*3.5 300 2.07 254 10 321 12.6 53 2.09 M16*100
200*100 8*4 219.1*114.3 8.626*4.5 300 2.07 254 10 321 12.6 54 2.13 M16*100
200*125 8*5 219.1*139.7 8.626*5.5 300 2.07 254 10 321 12.6 54 2.13 M16*100
200*150 8*6 219.1*168.3 8.626*6.626 300 2.07 254 10 321 12.6 54 2.13 M16*100
250*100 10*4 273*114.3 10.748*4.5 300 2.07 314 12.36 398 15.7 57 2.24 M20*140

We can also manufacture different sizes according to your requirements.

About US:

flexible coupling

How does a flexible coupling handle electrical insulation between shafts?

Flexible couplings are typically not designed to provide electrical insulation between shafts. In most cases, flexible couplings are used solely for the purpose of transmitting mechanical power from one shaft to another while accommodating misalignment and absorbing shocks and vibrations. They do not offer any electrical isolation or insulation properties.

When electrical insulation is required between two rotating shafts in a system, additional components or specialized couplings are used. For applications where electrical isolation is necessary, insulated couplings or special insulation components can be employed. These types of couplings feature insulating materials, coatings, or designs that prevent electrical current from flowing between the connected shafts.

Insulated couplings can be beneficial in certain applications, such as electric motor drives or systems involving sensitive electronics. They help prevent stray currents, ground loops, and electrical interference that could potentially damage equipment or affect the accuracy of electronic signals. However, it is important to note that not all flexible couplings provide this electrical insulation capability, and users should carefully select couplings that meet the specific electrical isolation requirements of their application.

Summary: Flexible couplings, as standard mechanical components, do not inherently provide electrical insulation between shafts. They are primarily used for mechanical power transmission and misalignment compensation. If electrical insulation is needed between rotating shafts, insulated couplings or specialized components with insulating properties should be chosen to meet the specific requirements of the application.

flexible coupling

What are the key considerations for selecting a flexible coupling for high-speed applications?

When selecting a flexible coupling for high-speed applications, several critical considerations should be taken into account to ensure optimal performance and reliability:

  • Material and Design: Choose a flexible coupling made from high-quality materials that can withstand the high rotational speeds without experiencing excessive wear or fatigue. Consider designs that are specifically engineered for high-speed applications, ensuring they have the required torsional stiffness and damping characteristics.
  • Balance: Imbalance at high speeds can lead to vibration and reduce the lifespan of the coupling and connected components. Look for precision-balanced flexible couplings that minimize vibration and avoid any potential resonance issues at operating speeds.
  • Torsional Stiffness: In high-speed applications, torsional stiffness is crucial to maintaining accurate rotational timing and preventing torque losses. Choose a flexible coupling with adequate torsional stiffness to minimize angular deflection under load.
  • Dynamic Balancing: Dynamic balancing is essential for flexible couplings used in high-speed applications. A dynamically balanced coupling reduces vibrations caused by rotational imbalances, increasing the smoothness and stability of the system.
  • Temperature Resistance: High-speed operations can generate significant heat, so select a flexible coupling that can withstand the elevated temperatures without compromising its mechanical properties or causing premature failure.
  • Alignment and Runout Tolerance: Accurate alignment of the coupling with the shafts is crucial to prevent additional stress and vibration. Consider couplings with high runout tolerance and ease of alignment to facilitate proper installation.
  • Service Life and Maintenance: Evaluate the expected service life of the flexible coupling in high-speed applications. Low-maintenance couplings are desirable to reduce downtime and maintenance costs.
  • Application Specifics: Consider the specific requirements of the high-speed application, such as the magnitude of torque, axial movement, and the presence of shock loads. Choose a coupling that can handle these specific demands while maintaining performance at high speeds.
  • Compliance with Standards: Ensure that the selected flexible coupling complies with relevant industry standards and specifications, especially those related to high-speed performance and safety.

By carefully considering these key factors, engineers can choose a flexible coupling that meets the demands of high-speed applications, delivering reliable and efficient power transmission while minimizing the risk of premature wear, vibration, and downtime.

flexible coupling

Can flexible couplings be used for both motor-to-shaft and shaft-to-shaft connections?

Yes, flexible couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various applications. The versatility of flexible couplings allows them to adapt to different types of connections and meet the specific requirements of the system.

Motor-to-Shaft Connections:

When connecting a motor to a shaft, a flexible coupling serves as an intermediary component that joins the motor shaft and the driven shaft. Flexible couplings are commonly used in motor-driven systems to accommodate misalignment between the motor and the driven load. In motor applications, flexible couplings help reduce stress and wear on the motor bearings, thus extending the motor’s life and enhancing overall system reliability. They also act as vibration dampeners, minimizing vibrations transmitted from the motor to the driven shaft, and subsequently to connected equipment, ensuring smoother operation.

Shaft-to-Shaft Connections:

In many mechanical systems, such as those in the manufacturing, automation, and power transmission industries, shaft-to-shaft connections are required. A flexible coupling can bridge the gap between two shafts and transmit torque while accommodating misalignment. This type of coupling is commonly used to connect shafts that are not perfectly aligned due to factors like manufacturing tolerances, thermal expansion, or foundation settling. By allowing for misalignment, the flexible coupling protects the connected components from excessive stresses and ensures efficient power transmission.

Versatility and Advantages:

The ability of flexible couplings to handle both motor-to-shaft and shaft-to-shaft connections makes them versatile solutions for a wide range of industrial applications. Some of the advantages of using flexible couplings in these connections include:

  • Minimizing stress and wear on connected components, such as bearings and seals.
  • Compensating for misalignment, ensuring smooth power transmission.
  • Damping vibrations and shock loads, reducing the risk of mechanical failures.
  • Protecting equipment from excessive forces, enhancing system reliability.
  • Simplifying installation and alignment procedures, reducing downtime.
  • Improving overall system performance and operational efficiency.

Applications:

Flexible couplings find applications in a wide range of industries, including manufacturing, material handling, automotive, aerospace, robotics, and more. Whether connecting a motor to a shaft or joining two shafts directly, flexible couplings play a crucial role in enhancing the reliability and efficiency of rotating machinery and mechanical systems.

In conclusion, flexible couplings can effectively serve as connectors for both motor-to-shaft and shaft-to-shaft connections, providing essential misalignment compensation and protection for connected equipment in various industrial applications.

China high quality UL Listed & FM Approved Reducing Flexible Coupling  China high quality UL Listed & FM Approved Reducing Flexible Coupling
editor by CX 2023-11-21

flexible disc coupling

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