Product Description
FOUR COLORS AVAILANLE : RED ,ORANGE ,GALVANIZED ,BLUE
Specifications
ductile iron Flexible coupling / fire fighting / grooved fittings
1.FM UL approved
2.Size:1-12″
3.Material:ductile iron
4.Surface :painting,epoxy,hot dip galvanzed
Ductile Iron Rigid Coupling
UL FM Flexbile Coupling | |||||
Nominal Size mm/in | Pipe O.D mm/in | Working Pressure PSI/MPa | Dimensions mm/in | ||
Ø | L | H | |||
25 1 |
33.7 1.327 |
300 2.07 |
55. 2.165 |
95 3.74 |
45 1.772 |
32 1¼ |
42.4 1.669 |
300 2.07 |
65 2.559 |
105 4.133 |
45 1.772 |
40 1½ |
48.3 1.900 |
300 2.07 |
71. 2.795 |
110 4.331 | 45 1.772 |
50 2 |
60.3 2.375 |
300 2.07 |
82 3.228 |
124 4.882 |
45 1.772 |
65 2½ |
73.0 2.875 |
300 2.07 |
98 3.858 |
141 5.551 |
45 1.772 |
65 3OD |
76.1 3.000 |
300 2.07 |
100 3.937 |
142 5.59 |
45 1.772 |
80 3 |
88.9 3.500 |
300 2.07 |
113 4.449 |
160 6.299 |
46 1.811 |
100 4 |
114.3 4.500 |
300 2.07 |
142 5.59 |
190 7.48 |
49 1.929 |
125 5.5OD |
139.7 5.500 |
300 2.07 |
168 6.614 |
218 8.583 |
49 1.929 |
150 6.5OD |
165.1 6.500 |
300 2.07 |
194 7.638 |
244 9.606 |
49 1.929 |
150 6 |
168.3 6.625 | 300 2.07 |
198 7.795 |
248 9.764 |
49 1.929 |
200 8 |
219.1 8.625 |
300 2.07 |
256. 10.079 |
320 12.598 |
60 2.362 |
250 10 |
273 10.748 |
300 2.07 |
328 12.913 |
420 16.535 |
64 2.52 |
300 12 |
323.9 12.752 |
300 2.07 |
380 14.961 |
454 17.874 |
64 2.52 |
WE CHINAMFG , MANUFACTURER OF STEEL PIPE AND PIPE FITTINGS ,HAVE EXPORTING EXPERIENCE FOR MORE THAN 20 YEARS ,OUR PRODUCTS APPROVE ISO, TUV, PED ,API CERTIFICATE .
DETAILS
Name | Rigid and flexible Coupling, elbow, tee, cross, reducer, cap, mechanical tee, mechanical cross, flange adaptor |
Standard | ANSI, ASTM, ISO |
Type | Manufacturer,trading company |
Material | Ductile iron |
Finish | Paint, Epoxy or Galvanization |
Approval | FM/UL |
Usage | 1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying, etc. 2) Industrial pipeline system on shipping, mine, oil field, textile, powder plant, etc. 3) Pipeline system on subway station, railway station, airport, seaport, bridge, etc. |
Payment | L/C or T/T |
Delivery Time | within 30 days or as per customers’ requirment |
HangZhou CHINAMFG STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing,
producing and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high
quality products, which is mainly to be exported to oversea markets.
We are pure-hearted and awaiting for your kind attention to our company..
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How does a flexible coupling help in power transmission efficiency?
Flexible couplings play a crucial role in improving power transmission efficiency in various mechanical systems. Here are the ways in which flexible couplings contribute to enhanced efficiency:
- Misalignment Compensation: In real-world applications, it is challenging to achieve perfect alignment between shafts due to manufacturing tolerances, thermal expansion, or external forces. Flexible couplings can accommodate both angular and parallel misalignments between the driving and driven shafts. By doing so, they ensure that the torque is transmitted smoothly and efficiently despite misalignment, reducing power losses due to misaligned shafts.
- Vibration Damping: Vibrations in mechanical systems can lead to energy losses and premature wear of components. Flexible couplings with vibration-damping properties can absorb and dampen vibrations generated during operation. By reducing the transmission of vibrations, these couplings help to maintain power transmission efficiency and extend the lifespan of connected equipment.
- Shock Load Absorption: During start-up or sudden changes in operating conditions, equipment may experience shock loads. Flexible couplings are designed to absorb and cushion these shock loads, preventing sudden impacts on the system. By minimizing the shock load’s effect, flexible couplings contribute to smoother power transmission and reduced stress on components.
- Torsional Stiffness: While flexible couplings allow for misalignment compensation, they still exhibit a certain degree of torsional stiffness. This stiffness ensures that the majority of the torque is efficiently transmitted from the driving to the driven shaft, minimizing power losses due to deformation or bending of the coupling.
- Reduced Friction and Wear: Flexible couplings typically have a simple design with fewer moving parts. This simplicity leads to reduced friction and wear compared to more complex coupling types. Lower friction means less energy dissipation, resulting in improved power transmission efficiency.
- Compatibility with Various Applications: Flexible couplings come in a wide range of designs and materials to suit different applications. Whether it’s high-speed machinery, heavy-duty equipment, or precision systems, there are flexible coupling options optimized for each use case. Selecting the appropriate coupling for the specific application ensures efficient power transmission.
In summary, flexible couplings enhance power transmission efficiency by compensating for misalignment, damping vibrations, absorbing shock loads, providing torsional stiffness, reducing friction and wear, and offering compatibility with diverse applications. The combination of these features contributes to improved overall system efficiency and helps optimize the performance of mechanical systems.
Can flexible couplings be used in high-temperature environments, such as furnaces and kilns?
Flexible couplings can be used in high-temperature environments, such as furnaces and kilns, but the selection of the appropriate coupling is crucial to ensure reliable performance and longevity under these extreme conditions. Here are some key considerations:
- Material Selection: The choice of materials is critical when using flexible couplings in high-temperature applications. Look for couplings made from heat-resistant materials that can withstand the elevated temperatures without experiencing significant degradation. Common materials used for high-temperature couplings include stainless steel, high-temperature alloys, and certain types of elastomers designed for heat resistance.
- Lubrication: High temperatures can cause lubricants to break down or evaporate more quickly. Some flexible couplings may require specialized high-temperature lubricants to ensure smooth operation and reduce wear at elevated temperatures. Check the manufacturer’s recommendations for lubrication in high-temperature environments.
- Thermal Expansion: In high-temperature applications, the equipment and shafts may experience thermal expansion, leading to misalignment. Flexible couplings with higher misalignment capabilities may be necessary to accommodate these thermal effects and prevent additional stress on the system.
- Torsional Stiffness: Consider the required torsional stiffness for the specific application. In high-temperature environments, couplings may experience changes in stiffness due to temperature variations. It is essential to choose a coupling with appropriate torsional characteristics for the intended operating temperature range.
- Application Specifics: Evaluate the specific operating conditions of the furnace or kiln, including the maximum and fluctuating temperatures, vibration levels, and potential exposure to chemicals or other harsh elements. Choose a coupling that can withstand these conditions without compromising performance or safety.
- Coupling Type: Different types of flexible couplings offer varying degrees of heat resistance and performance capabilities. For example, certain types of disc couplings or metal bellows couplings are more suitable for high-temperature environments due to their robust construction and resistance to heat.
- Regular Maintenance: In high-temperature applications, couplings may be subject to more stress and wear. Regular inspection and maintenance are essential to monitor the coupling’s condition, lubrication, and alignment to ensure it continues to function optimally in the challenging environment.
Overall, flexible couplings can be utilized in high-temperature environments, but it is vital to choose a coupling specifically designed and rated for these conditions. Working closely with coupling manufacturers and considering the specific demands of the application will help ensure that the selected coupling can handle the challenges posed by furnaces, kilns, and other high-temperature equipment, providing reliable power transmission and contributing to the overall efficiency and safety of the system.
How do you select the appropriate flexible coupling for a specific application?
Choosing the right flexible coupling for a specific application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key steps to select the appropriate flexible coupling:
- Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, misalignment conditions, operating environment (e.g., temperature, humidity, and presence of corrosive substances), and space limitations.
- Torque Capacity: Determine the maximum torque that the coupling needs to transmit. Choose a flexible coupling with a torque rating that exceeds the application’s requirements to ensure a safety margin and prevent premature failure.
- Misalignment Compensation: Consider the type and magnitude of misalignment that the coupling needs to accommodate. Different coupling designs offer varying degrees of misalignment compensation. Select a coupling that can handle the expected misalignment in the system.
- Vibration Damping: If the application involves significant vibrations, choose a flexible coupling with good damping properties to reduce vibration transmission to connected equipment and improve system stability.
- Environmental Factors: Take into account the environmental conditions in which the coupling will operate. For harsh environments, consider couplings made from corrosion-resistant materials.
- Torsional Stiffness: Depending on the application’s requirements, decide on the desired torsional stiffness of the coupling. Some applications may require high torsional stiffness for precise motion control, while others may benefit from a more flexible coupling for shock absorption.
- Cost and Life-Cycle Considerations: Evaluate the overall cost-effectiveness of the coupling over its expected life cycle. Consider factors such as initial cost, maintenance requirements, and potential downtime costs associated with coupling replacement.
- Manufacturer Recommendations: Consult coupling manufacturers and their technical specifications to ensure the selected coupling is suitable for the intended application.
- Installation and Maintenance: Ensure that the selected flexible coupling is compatible with the equipment and shaft sizes. Follow the manufacturer’s installation guidelines and recommended maintenance practices to maximize the coupling’s performance and longevity.
By following these steps and carefully evaluating the application’s requirements, you can select the most appropriate flexible coupling for your specific needs. The right coupling choice will lead to improved system performance, reduced wear on equipment, and enhanced overall reliability in various mechanical systems and rotating machinery.
editor by CX 2024-03-26
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