Product Description
4 colors choice: Red ,Orange ,Blue ,Galvanized Of Rigid Coupling,galvanized pipe fitting
ductile iron rigid coupling / fire fitting coupling / grooved fittings
1.FM UL approved of All Grooved Coupling
2.Size:1-12" for all grooved fitting
3.Grooved Coupling Material:ductile iron ASTM-A536 Grade 65-45-12
4.Grooved Coupling Surface :painting,epoxy,hot dip galvanzed
5.Gasket for Grooved Coupling :
EDPM , tempersture Range : (-34----+110ºC)
SILICON , tempersture Range : (-40----+177ºC)
NITRILE, tempersture Range : (-29----+82ºC)
Ductile flexible coupling ,ductile iron flexible coupling / fire fighting /grooved fittings,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 |
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. |
KINGMETAL STEEL INDUSTRY CO.,LTD ,is a professional company in manufacturing and saling steel pipes and pipe fittings
( tee, elbow ,reducer ,flanges). we are an old company in this area ,we start from 1989 and have rich exporting experience .
Cooperating with us you will feel easy and safe ! /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How do you install and align a flexible coupling properly to ensure optimal performance?
Proper installation and alignment of a flexible coupling are essential to ensure its optimal performance and longevity. Incorrect installation can lead to premature wear, increased vibrations, and potential equipment failure. Below are the steps to install and align a flexible coupling properly:
1. Pre-Installation Inspection:
Before installation, inspect the flexible coupling and its components for any visible damage or defects. Check that the coupling's size and specifications match the application requirements. Ensure that the shafts and equipment connected to the coupling are clean and free from debris.
2. Shaft Preparation:
Prepare the shafts by removing any oil, grease, or contaminants from the surfaces that will come into contact with the coupling. Ensure that the shaft ends are smooth and free from burrs that could affect the fit of the coupling.
3. Coupling Hub Installation:
Slide the coupling hubs onto the shafts, ensuring they are positioned securely and evenly on each shaft. Use a lubricant recommended by the manufacturer to facilitate the installation and ensure a proper fit.
4. Alignment:
Proper alignment is critical for the performance and longevity of the flexible coupling. Align the shafts by checking both angular and parallel misalignment. Utilize precision alignment tools, such as dial indicators or laser alignment systems, to achieve accurate alignment. Follow the manufacturer's alignment specifications and tolerance limits.
5. Tightening Fasteners:
Once the shafts are properly aligned, tighten the coupling's fasteners to the manufacturer's recommended torque values. Gradually tighten the fasteners in a cross pattern to ensure even distribution of the load on the coupling hubs. Avoid over-tightening, as it may cause distortion or damage to the coupling.
6. Run-Out Check:
After installation, perform a run-out check to verify that the coupling's rotating components are balanced and aligned. Excessive run-out can lead to vibrations and reduce the coupling's performance. If significant run-out is detected, recheck the alignment and address any issues that may be causing it.
7. Lubrication:
Ensure that the flexible coupling is adequately lubricated, following the manufacturer's recommendations. Proper lubrication reduces friction and wear, enhancing the coupling's efficiency and reliability.
8. Periodic Inspection and Maintenance:
Regularly inspect the flexible coupling for signs of wear, misalignment, or damage. Address any issues promptly to prevent further problems. Depending on the coupling type and application, scheduled maintenance may include re-greasing, re-alignment, or replacing worn components.
Summary:
Proper installation and alignment are crucial for ensuring the optimal performance and longevity of a flexible coupling. Following the manufacturer's guidelines, inspecting the components, achieving accurate alignment, and using the appropriate lubrication are key steps in the installation process. Regular inspection and maintenance help to identify and address potential issues, ensuring the coupling continues to operate smoothly and efficiently in the mechanical system.
What are the factors influencing the thermal performance of a flexible coupling?
The thermal performance of a flexible coupling can be influenced by several factors, including:
- Material Composition: The material used in the construction of the flexible coupling can impact its thermal performance. Different materials have varying thermal conductivity and heat resistance properties, which can affect how well the coupling dissipates heat generated during operation.
- Operating Speed: The rotational speed of the flexible coupling can influence its thermal behavior. Higher speeds can result in increased friction, leading to more heat generation. Couplings designed for high-speed applications often incorporate features to manage and dissipate heat effectively.
- Power Transmission: The amount of power transmitted through the flexible coupling plays a role in its thermal performance. Higher power levels can lead to increased heat generation, and the coupling must be designed to handle and dissipate this heat without compromising its integrity.
- Environmental Conditions: The ambient temperature and surrounding environment can impact the thermal performance of the flexible coupling. In high-temperature environments, the coupling may need to dissipate heat more efficiently to avoid overheating.
- Lubrication: Proper lubrication is essential for managing friction and heat generation within the coupling. Insufficient or inappropriate lubrication can lead to increased wear and heat buildup.
- Design and Geometry: The design and geometry of the flexible coupling can influence its thermal performance. Some coupling designs incorporate features such as cooling fins, ventilation, or heat sinks to enhance heat dissipation.
- Load Distribution: The distribution of loads across the flexible coupling can affect how heat is generated and dissipated. Proper load distribution helps prevent localized heating and reduces the risk of thermal issues.
Manufacturers consider these factors during the design and selection of flexible couplings to ensure they can handle the thermal demands of specific applications. Proper application and maintenance of the flexible coupling are also essential for optimizing its thermal performance and overall efficiency.
How does a flexible coupling affect the noise and vibration levels in a mechanical system?
A flexible coupling plays a crucial role in controlling noise and vibration levels in a mechanical system. It can significantly impact the overall smoothness and quietness of the system's operation, contributing to enhanced performance and reduced wear on connected components.
Noise Reduction:
Flexible couplings help reduce noise in a mechanical system through their inherent ability to dampen vibrations. When the shafts of rotating machinery are not perfectly aligned, it can lead to vibrations that are transmitted throughout the system, resulting in noise generation. The elastomeric or flexible element of the coupling acts as a vibration dampener, absorbing and dissipating these vibrations. As a result, the noise levels in the system are reduced, creating a quieter operating environment.
Vibration Damping:
Vibrations in a mechanical system can lead to increased wear and tear on critical components, such as bearings, seals, and gears. Excessive vibrations can also cause resonance and damage to the system over time. Flexible couplings can effectively dampen vibrations by acting as a buffer between the driving and driven shafts. The flexible element absorbs the shock and vibrations, preventing them from propagating to other parts of the system. This vibration damping capability not only reduces noise but also protects the system from potential mechanical failures, extending the lifespan of the equipment.
Alignment Compensation:
Misalignment between shafts is a common cause of vibration and noise in rotating machinery. Flexible couplings excel at compensating for both angular and parallel misalignment. By accommodating misalignment, the coupling reduces the forces acting on the shafts and minimizes the generation of vibrations and noise. Proper alignment through the use of a flexible coupling ensures that the system operates smoothly and quietly.
Effect on Equipment Reliability:
Reducing noise and vibration levels has a positive impact on the reliability of connected equipment. Lower vibrations mean less stress on bearings and other rotating components, leading to extended component life and reduced maintenance requirements. A quieter operating environment can also be essential for certain applications, such as in laboratories or precision manufacturing processes, where excessive noise can interfere with delicate tasks or measurements.
Applications:
Flexible couplings find application in a wide range of industries, such as manufacturing, power generation, material handling, automotive, aerospace, and robotics. They are commonly used in pumps, compressors, fans, conveyors, and other rotating machinery where noise and vibration control are critical for smooth and reliable operation.
Summary:
A flexible coupling's ability to reduce noise and dampen vibrations makes it an essential component in mechanical systems. By compensating for misalignment and providing vibration dampening properties, the flexible coupling enhances the overall system performance, reduces noise levels, and protects connected equipment from excessive wear and mechanical failures. Choosing the right type of flexible coupling based on the specific application requirements can have a significant impact on noise reduction and vibration control in the mechanical system.
editor by CX 2024-03-14