Product Description
SS316 Flange connection ripple compensator coupling for tube Big size telescopic expansion bellows joint flangeless with PTFE
Products Description
The single unrestrained metal expansion joint comes with 1 bellows section and end connections.It can be equipped with all kinds of connectors, such as pipe weld ends or flanges. This expansion joint is mainly intended to absorb movements of axial expansion, both thermal and mechanical. In addition, to a lesser extent, it can absorb angular and lateral movements. It does not restrain pressure thrust so adequate anchors and guides must be provided and they can be used only in piping systems that incorporate correctly designed anchors and pipe alignment guides.
Product Parameters
| DN (mm) |
bellows | compensation dosage |
stiffness | max size of radial direction shape Bmm |
total length L (mm) |
product type | ||||||
| active area A cm2 |
corrugation number n |
axial direction X0mm |
lateral direction Yo (mm) |
angular direction θ± (°) |
axial direction N/mm |
lateral direction N/mm |
angular direction Nm/ (°) |
connection type | ||||
| adapter pipe J |
flange F |
|||||||||||
| corrugated compensator:design pressure Pd = 1.0Mpa(10Kgf/ cm2)fatigue life[ N ]=1000times design temperature t = 20ºC | ||||||||||||
| 40 | 38 | 4 | 5.5 | 1.2 | 4 | 282 | 1214 | 14 | 145 | 230 | 240 | TB |
| 8 | 1.1 | 5 | 8 | 141 | 135 | 6.5 | 300 | 310 | ||||
| 50 | 56 | 4 | 7.5 | 1.5 | 4 | 388 | 1790 | 20 | 157 | 250 | 260 | |
| 8 | 15 | 6.5 | 8 | 194 | 189 | 7 | 340 | 350 | ||||
| 65 | 79 | 4 | 9 | 1.5 | 4 | 422 | 2109 | 24 | 186 | 250 | 260 | |
| 8 | 18 | 6.5 | 8 | 211 | 217 | 9 | 360 | 370 | ||||
| 80 | 138 | 4 | 11 | 2 | 3 | 658 | 2715 | 28 | 219 | 354 | 270 | |
| 8 | 22 | 8 | 6 | 329 | 320 | 13 | 364 | 380 | ||||
| 100 | 155 | 4 | 12 | 2.3 | 3 | 698 | 3226 | 30 | 283 | 284 | 300 | |
| 8 | 24 | 9.1 | 6 | 349 | 403 | 15 | 364 | 380 | ||||
| 150 | 300 | 4 | 11 | 1.5 | 3 | 1009 | 9571 | 84 | 289 | 284 | 300 | |
| 8 | 22 | 6.1 | 6 | 504 | 1129 | 42 | 364 | 380 | ||||
| 200 | 535 | 4 | 17 | 2.6 | 3 | 1493 | 1571 | 222 | 389 | 380 | 400 | |
| 8 | 34 | 10 | 6 | 746 | 1324 | 111 | 500 | 520 | ||||
| 250 | 779 | 4 | 16 | 2.1 | 3 | 1850 | 19116 | 400 | 443 | 3H0 | 400 | |
| 8 | 33 | 8.3 | 6 | 925 | 2390 | 200 | 500 | 520 | ||||
| 300 | 1075 | 4 | 21 | 2.8 | 3 | 1536 | 15211 | 459 | 495 | 426 | 450 | |
| 8 | 42 | 11 | 6 | 768 | 1901 | 229 | 570 | 594 | ||||
| 350 | 1269 | 4 | 21 | 5.9 | 3 | 1682 | 19653 | 593 | 577 | 426 | 450 | |
| 8 | 42 | 12 | 6 | 841 | 2457 | 296 | 570 | 594 | ||||
| 400 | 1619 | 4 | 20 | 22 | 2.6 | 1917 | 28582 | 862 | 626 | 426 | 450 | |
| 8 | 41 | 8.6 | 5 | 958 | 3573 | 431 | 570 | 594 | ||||
| 450 | 2003 | 4 | 20 | 1.9 | 2.3 | 2148 | 39632 | 1195 | 678 | 426 | 450 | |
| 8 | 40 | 7.7 | 4.6 | 1074 | 4954 | 598 | 570 | 594 | ||||
| 500 | 2428 | 4 | 20 | 1.7 | 2 | 2380 | 53229 | 1605 | 729 | 426 | 450 | |
| 8 | 40 | 6.9 | 4 | 1190 | 6654 | 803 | 570 | 594 | ||||
| 600 | 3473 | 4 | 36 | 4.3 | 3 | 1561 | 17977 | 1506 | 830 | 576 | 600 | |
| 8 | 71 | 17 | 6 | 781 | 2247 | 753 | 816 | 840 | ||||
Technical Drawing
Application
Packing and Shipping
Company Profile
We supply innovative expansion joint solutions to meet the world’s pipe expansion needs. We’ve grown to serve customers in the electric power, oil and petrochemical, pulp and paper, industrial and heavy equipment suppliers and a variety of OEM markets. We manufacture metal bellows and fabric expansion joints from DN50 to 10000mm diameter with different temperature.The pressure ranges for these designs range from full vacuum to 120 MPa.
FAQ
1. Q. Can I get the samples?
A. Yes, small size sample is free, but buyer need pay for freight cost.
2. Q. What is Minimum Order Quantity?
A.The MOQ is according to the type and size.
3. Q.Can you manufacture based on my drawing or specification?
A.Yes, customized drawing or specification is available, just send us your requirements.
4. Q.What price terms do you accept?
A.Ex factory price, FOB price. We’ll also be pleased to make CNF/CFR/CIF price for you.
5. Q.What standard can you make?
A. EJMA, ASME, MIL-E, BS, JIS, CODAP, etc.
We need to know following information to quote you correct machineries:
1.Technical Drawing of the expansion joint you need?
2.What size you need?
3. Material of the bellows, pipe ends or flange?
4.What diameter of the expansion joint you need?
5.working pressure
6.Movement
7.Working temperature
8.Length
9.Connection: Welding pipe ends or flange (ANSI, DIN, JIS,BS, AS,GOST, etc..)
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Proper Installation and Alignment of Flange Couplings
Installing and aligning a flange coupling properly is crucial to ensure its optimal performance and to prevent premature wear or failure. Here are the steps to follow for a successful installation:
- Prepare the Components: Before starting the installation, ensure that all the components, including the flange coupling, shafts, and fasteners, are clean and free from dirt or debris. Inspect the coupling for any visible damage or defects.
- Check Shaft Alignment: Verify the alignment of the shafts before installing the flange coupling. Misalignment can lead to increased stresses on the coupling and other connected equipment.
- Use Proper Lubrication: Apply the recommended lubricant to the contact surfaces of the flange coupling. Proper lubrication reduces friction and wear, enhancing the coupling’s lifespan.
- Align the Flange Coupling: Position the flange coupling between the shafts and ensure that the bolt holes are aligned with the corresponding holes in the shafts.
- Insert Fasteners: Insert the bolts or screws through the bolt holes and hand-tighten them. Avoid fully tightening any fasteners at this stage.
- Check Runout: Measure the runout of the coupling during rotation to verify that it is within acceptable limits. Excessive runout indicates a misaligned coupling.
- Properly Torque Fasteners: Using a torque wrench, tighten the fasteners in a cross-pattern to the manufacturer’s recommended torque values. This ensures even distribution of the load and prevents distortion of the flange coupling.
- Recheck Alignment: After torquing the fasteners, recheck the shaft alignment to ensure it has not shifted during the tightening process.
- Inspect the Assembly: Conduct a final visual inspection of the installed flange coupling and surrounding components to verify that everything is properly aligned and secured.
- Perform Test Run: Run the equipment with the newly installed flange coupling under no-load conditions initially to check for any unusual vibrations or noises.
- Monitor Performance: During the initial operation and throughout regular use, monitor the flange coupling’s performance and check for signs of wear, misalignment, or other issues.
Professional Installation: If you are unsure about the installation process or need to install a flange coupling in a complex system, consider seeking assistance from a qualified professional or coupling manufacturer’s technical support team. Proper installation is essential for ensuring the long-term reliability and performance of the flange coupling and the connected equipment.
What Role Does a Flange Coupling Play in Minimizing Wear and Tear on Connected Components?
A flange coupling plays a critical role in minimizing wear and tear on connected components in rotating machinery. It accomplishes this by effectively transmitting torque between two shafts while accommodating misalignment and reducing the transmission of shock and vibration. Here’s how a flange coupling achieves these benefits:
- Misalignment Compensation: Flange couplings are designed to accommodate both angular and parallel misalignment between the shafts they connect. As machinery operates, shafts may experience slight misalignment due to thermal expansion, manufacturing tolerances, or other factors. The flexible nature of certain flange coupling designs allows them to compensate for these misalignments, preventing excessive stress on connected components that could lead to wear.
- Shock and Vibration Damping: Flange couplings help dampen shock and vibration during machinery operation. When a machine experiences sudden impacts or vibrations, the flexibility of some flange coupling types absorbs and disperses these forces. By reducing the transfer of shocks and vibrations to the connected components, flange couplings protect the machinery from excessive stress and premature wear.
- Smooth Torque Transmission: Flange couplings provide a smooth and reliable means of transmitting torque from one shaft to another. The secure connection between the two shafts ensures that torque is efficiently transmitted without slippage or sudden jolts. This smooth torque transmission helps prevent unnecessary wear on the shafts and other connected components.
- Reduced Maintenance: By minimizing wear and tear on connected components, flange couplings contribute to reduced maintenance requirements. When components experience less stress and wear, their lifespan is extended, resulting in fewer maintenance interventions and decreased downtime for repairs or replacements.
- Protection Against Overloads: In cases of sudden overloads or torque spikes, flange couplings can act as a safety feature by allowing some degree of slippage or disengagement. This protects the connected machinery from potential damage caused by excessive loads.
In summary, a flange coupling’s ability to compensate for misalignment, dampen shocks and vibrations, provide smooth torque transmission, and protect against overloads makes it a crucial component in minimizing wear and tear on connected machinery. By choosing the appropriate flange coupling design for a specific application, engineers can enhance the reliability and longevity of the entire system while reducing maintenance and downtime costs.
What are the Maintenance Requirements for Flange Couplings?
Flange couplings require regular maintenance to ensure optimal performance and longevity. Proper maintenance can help prevent unexpected failures and downtime in the machinery or equipment. Here are the key maintenance requirements for flange couplings:
1. Inspection: Regularly inspect the flange coupling for signs of wear, damage, or misalignment. Check for cracks, corrosion, or any deformations in the flange and bolt holes. Ensure that the coupling is properly aligned with the shafts.2. Lubrication: Lubricate the flange coupling as per the manufacturer’s recommendations. Proper lubrication helps reduce friction and wear between the mating surfaces of the flanges, bolts, and nuts. Use the right type of lubricant that is compatible with the coupling material.3. Bolt Torque Check: Check the bolt torque regularly to ensure that the flange coupling is securely fastened. Loose bolts can lead to misalignment and coupling failure. Follow the recommended torque values provided by the manufacturer.4. Alignment: Maintain proper shaft alignment to prevent excessive forces on the flange coupling. Misalignment can cause uneven load distribution and accelerated wear on the coupling components.5. Environmental Protection: If the flange coupling is exposed to harsh or corrosive environments, take necessary measures to protect it. Consider using protective coatings or seals to prevent corrosion and damage.6. Regular Servicing: Schedule regular servicing of the machinery or equipment, including the flange coupling. This allows for a thorough inspection and timely replacement of worn-out or damaged components.7. Replacement of Worn Parts: When signs of wear or damage are detected during inspections, replace the worn or damaged parts promptly. Delaying the replacement can lead to further damage and compromise the performance of the coupling.8. Follow Manufacturer’s Guidelines: Always follow the maintenance guidelines provided by the flange coupling manufacturer. They may have specific recommendations based on the design and material of the coupling. Proper maintenance and regular checks can extend the life of the flange coupling and contribute to the overall reliability and efficiency of the connected machinery. It is essential to create a maintenance schedule and adhere to it diligently to ensure the smooth operation of the flange coupling and the entire mechanical system.
editor by CX 2024-04-29