China OEM 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

Can flexible couplings be used in applications with high shock and impact loads?

Yes, flexible couplings can be used in applications with high shock and impact loads. In fact, they are specifically designed to absorb and dampen shock loads, making them well-suited for such challenging environments. Here’s how flexible couplings handle high shock and impact loads:

  • Material Flexibility: Flexible couplings are made from materials with high elasticity and flexibility, such as elastomers (rubber-like materials) or metal alloys. When a shock load is applied, these materials can deform temporarily, absorbing the impact energy and preventing it from transmitting to the connected equipment.
  • Vibration Damping: Shock loads often generate vibrations that can be harmful to the equipment. Flexible couplings with vibration-damping properties can further mitigate the effects of shock loads by absorbing and dissipating the vibration energy, reducing the stress on the machinery.
  • Design Features: Some flexible couplings are specifically engineered with features to handle high shock loads. These may include reinforced structures, enhanced damping characteristics, or additional support to withstand the sudden forces generated by impacts.
  • Load Distribution: Flexible couplings help distribute the shock load more evenly across the flexible elements or components, preventing localized stress concentrations that could lead to component failure.
  • Resilience: The flexibility and resilience of the coupling material allow it to return to its original shape after the shock load has dissipated. This ability to recover from deformation ensures that the coupling can continue to accommodate misalignment and transmit torque effectively.
  • Protection of Connected Equipment: By absorbing shock loads, flexible couplings protect the connected equipment from sudden and severe impacts, reducing the risk of damage or premature failure of critical components.

Applications with high shock and impact loads can be found in various industries, including mining, construction, material handling, and heavy machinery. Flexible couplings provide an essential role in maintaining the reliability and longevity of the equipment in these demanding environments.

When selecting a flexible coupling for an application with high shock and impact loads, it is crucial to consider the specific requirements and operating conditions. Consulting with the coupling manufacturer or a qualified engineer can ensure the proper coupling is chosen to meet the unique challenges of the application.

flexible coupling

How does a flexible coupling accommodate changes in shaft alignment due to thermal expansion?

Flexible couplings are designed to accommodate changes in shaft alignment that occur due to thermal expansion in rotating machinery. When equipment operates at elevated temperatures, the materials used in the shafts and other components expand, causing shifts in the relative positions of the connected shafts. This thermal expansion can lead to misalignment, which, if not addressed, may result in additional stress on the equipment and premature wear.

Flexible couplings employ specific design features that allow them to handle thermal-induced misalignment effectively:

  • Flexibility: The primary feature of a flexible coupling is its ability to flex and deform to some extent. This flexibility allows the coupling to absorb small amounts of angular, parallel, and axial misalignment that may result from thermal expansion. As the shafts expand or contract, the flexible coupling compensates for the misalignment, helping to maintain proper alignment between the two shafts.
  • Radial Clearance: Some flexible couplings, such as elastomeric couplings, have radial clearance between the coupling’s mating parts. This radial clearance provides additional room for the shafts to move laterally during thermal expansion without creating excessive forces on the coupling or connected equipment.
  • Sliding Elements: Certain flexible couplings feature sliding elements that can move relative to each other. This capability allows the coupling to accommodate axial displacement resulting from thermal expansion or other factors.
  • Flexible Element Materials: The materials used in the flexible elements of the coupling are chosen for their ability to handle the temperature range experienced in the application. Elastomeric materials, for example, can be selected to withstand high temperatures while still maintaining their flexibility.

It is essential to understand that while flexible couplings can compensate for some degree of thermal-induced misalignment, there are limits to their capabilities. If the thermal expansion exceeds the coupling’s compensating range, additional measures, such as incorporating expansion joints or using specialized couplings designed for greater misalignment compensation, may be necessary.

When selecting a flexible coupling for an application with potential thermal expansion, it is crucial to consider the expected operating temperature range and the level of misalignment that may occur due to thermal effects. Working with coupling manufacturers and consulting coupling catalogs can help in choosing the most suitable coupling type and size for the specific thermal conditions of the machinery.

flexible coupling

Can flexible couplings handle misalignment between shafts?

Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.

Flexible couplings offer the ability to compensate for different types of misalignment, including:

  • Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
  • Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
  • Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.

The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.

It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.

In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.

China OEM UL Listed & FM Approved Reducing Flexible Coupling  China OEM UL Listed & FM Approved Reducing Flexible Coupling
editor by CX 2023-08-16

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