Product Description
Product Name:
Flexible coupling for connecting fire protection pipe
Material:
Ductile 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 |
25 | 1 | 33.7 | 1.327 | 300 | 2.07 | 55.6 | 2.188 | 98 | 3.858 | 44 | 1.732 | M10*45 |
32 | 1 1/4 | 42.4 | 1.699 | 300 | 2.07 | 66 | 2.598 | 107 | 4.213 | 44 | 1.732 | M10*45 |
40 | 1 1/2 | 48.3 | 1.9 | 300 | 2.07 | 74 | 2.913 | 115 | 4.527 | 44 | 1.732 | M10*45 |
50 | 2 | 60.3 | 2.372 | 300 | 2.07 | 84 | 3.307 | 124 | 4.882 | 44 | 1.732 | M10*55 |
65 | 2 1/2 | 73 | 2.875 | 300 | 2.07 | 98 | 3.858 | 138 | 5.433 | 45 | 1.772 | M10*55 |
65 | 2 1/2 | 76.1 | 3 | 300 | 2.07 | 100 | 3.937 | 143 | 5.63 | 45 | 1.772 | M10*55 |
80 | 3 | 88.9 | 3.5 | 300 | 2.07 | 114 | 4.488 | 157 | 6.181 | 45 | 1.772 | M10*55 |
100 | 4 | 114.3 | 4.5 | 300 | 2.07 | 140 | 5.512 | 187 | 7.362 | 50 | 1.899 | M10*65 |
125 | 5 | 139.7 | 5.5 | 300 | 2.07 | 172 | 6.771 | 220 | 8.661 | 50 | 1.899 | M12*70 |
125 | 5 | 141.3 | 5.563 | 300 | 2.07 | 172 | 6.771 | 220 | 8.661 | 50 | 1.899 | M12*75 |
150 | 6 | 165.1 | 6.5 | 300 | 2.07 | 197 | 7.756 | 252 | 9.921 | 51 | 2.008 | M12*75 |
150 | 6 | 168.3 | 6.625 | 300 | 2.07 | 197 | 7.756 | 255 | 10.039 | 51 | 2.008 | M12*75 |
200 | 8 | 219.1 | 8.625 | 300 | 2.07 | 254 | 10 | 330 | 12.992 | 61 | 2.405 | M16*100 |
250 | 10 | 273 | 10.75 | 300 | 2.07 | 317 | 12.48 | 397.8 | 15.661 | 62 | 2.441 | M20*110 |
300 | 12 | 323.9 | 12.751 | 300 | 2.07 | 370 | 14.566 | 457 | 17.992 | 60 | 2.362 | M20*120 |
We can manufacture different sizes according to your requirements.
About US:
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What are the common installation mistakes to avoid when using flexible couplings?
Proper installation is crucial for the reliable and efficient performance of flexible couplings. Here are some common installation mistakes to avoid:
- Incorrect Alignment: One of the most critical installation errors is improper alignment of the driving and driven shafts. Misalignment can lead to premature wear, increased vibration, and reduced power transmission efficiency. It is essential to align the shafts within the specified tolerances provided by the coupling manufacturer.
- Over-Tightening: Applying excessive torque to the coupling’s fasteners during installation can cause damage to the flexible elements and decrease their ability to accommodate misalignment. It is essential to follow the recommended torque values provided by the coupling manufacturer to ensure proper clamping without over-tightening.
- Improper Lubrication: Some flexible couplings may require lubrication of their flexible elements or moving parts. Failure to lubricate as recommended can lead to increased friction, wear, and reduced service life of the coupling.
- Using Damaged Couplings: Before installation, it is crucial to inspect the flexible coupling for any signs of damage or defects. Using a damaged coupling can lead to premature failure and potential safety hazards. If any damage is detected, the coupling should be replaced with a new one.
- Wrong Coupling Selection: Selecting the wrong type or size of the coupling for the application can result in inadequate performance, premature wear, and possible coupling failure. It’s essential to consider factors such as torque requirements, speed, misalignment compensation, and environmental conditions when choosing the appropriate coupling.
- Ignoring Operating Conditions: Failure to consider the specific operating conditions, such as temperature, humidity, and exposure to corrosive substances, can lead to accelerated wear and reduced coupling lifespan. Choosing a coupling that is compatible with the operating environment is essential.
- Ignoring Manufacturer Guidelines: Each flexible coupling comes with specific installation guidelines provided by the manufacturer. Ignoring these guidelines can lead to suboptimal performance and potential safety issues. It is crucial to carefully follow the manufacturer’s instructions during installation.
By avoiding these common installation mistakes and following best practices, the reliability, efficiency, and service life of flexible couplings can be maximized, leading to improved performance of the mechanical system as a whole.
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.
Can flexible couplings be used in both horizontal and vertical shaft arrangements?
Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.
Horizontal Shaft Arrangements:
In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.
Vertical Shaft Arrangements:
In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.
Considerations for Vertical Shaft Arrangements:
When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:
- Thrust Load: Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.
- Lubrication: Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.
- Support and Bearing: Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.
Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.
editor by CX 2024-04-26
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