China Professional SS316 Flange Connection Ripple Compensator Coupling for Tube Big Size Telescopic Expansion Bellows Joint Flangeless with PTFE flange coupling

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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flange coupling

Can Flange Couplings Be Used in Applications with Varying Operating Temperatures?

Yes, flange couplings can be used in applications with varying operating temperatures. However, the selection of the appropriate flange coupling material is essential to ensure reliable performance and longevity under these conditions.

The operating temperature of a flange coupling depends on several factors, including the type of material used, the surrounding environment, and the specific application. Here are some key considerations:

  • Temperature Rating of Material: Flange couplings are available in various materials, such as steel, stainless steel, aluminum, and different alloys. Each material has its temperature rating, which indicates the maximum temperature the coupling can handle without compromising its mechanical properties. It is crucial to select a flange coupling made from a material that can withstand the highest expected operating temperature in the application.
  • Thermal Expansion: Temperature variations can cause thermal expansion and contraction of the connected equipment and shafts. Flange couplings must be able to accommodate these changes in length without imposing excessive forces on the machinery. Flexible couplings with certain designs, such as those with elastomeric elements, can better handle thermal expansion and help minimize stress on the system.
  • Lubrication: Operating at high temperatures may require the use of specialized high-temperature lubricants to ensure smooth operation and reduce friction and wear between the coupling’s moving parts. Proper lubrication is essential to prevent premature failure and to maintain the coupling’s performance over time.
  • Environmental Factors: The surrounding environment can also influence the operating temperature of the flange coupling. For example, couplings used in industrial settings may be exposed to hot processes or elevated ambient temperatures. In such cases, the coupling’s material and design should be selected to withstand the specific environmental conditions.

It is crucial to consult the manufacturer’s guidelines and technical specifications to determine the suitable temperature range for a particular flange coupling model. Additionally, considering the application’s operating conditions, including temperature variations, helps in choosing the right flange coupling to ensure reliable and safe performance in a wide range of temperature environments.

flange coupling

How Does a Flange Coupling Help in Power Transmission Efficiency?

A flange coupling plays a crucial role in improving power transmission efficiency in mechanical systems. It efficiently transfers power from one shaft to another while maintaining the alignment and minimizing energy losses. Here’s how flange couplings contribute to power transmission efficiency:

1. Direct Power Transfer: Flange couplings provide a direct connection between the driving and driven shafts, ensuring a solid and reliable power transfer without the need for intermediate components. This direct coupling minimizes power losses that can occur in systems with multiple components and connections.

2. Rigid and Precise Connection: Rigid flange couplings offer a precise and firm connection between shafts, minimizing angular and parallel misalignments. By reducing misalignment, energy losses due to friction and vibrations are minimized, leading to more efficient power transmission.

3. Absence of Slippage: Flange couplings are designed to provide a secure and non-slip connection between shafts. Unlike some other coupling types that might experience slippage under heavy loads or during acceleration, flange couplings maintain constant power transmission without loss of torque.

4. High Load-Carrying Capacity: Flange couplings are capable of handling high torque and axial loads, making them suitable for heavy-duty applications. The ability to handle these loads without deformation ensures efficient power transmission even in demanding industrial settings.

5. Minimal Maintenance: Flange couplings are generally low-maintenance components. Once properly installed, they require minimal attention, reducing downtime and enhancing overall system efficiency.

6. Balancing and Vibration Damping: Some flange coupling designs, such as flexible and torsionally flexible couplings, provide additional benefits like vibration damping and torsional flexibility. These features help to absorb shocks and vibrations, ensuring a smoother power transmission and protecting connected equipment from damage.

7. Selection of Appropriate Flange Type: Choosing the right type of flange coupling for a specific application is crucial for optimal power transmission efficiency. Different flange designs offer varying levels of flexibility and alignment capabilities, allowing engineers to select the most suitable coupling based on the system requirements.

In summary, flange couplings facilitate efficient power transmission by maintaining alignment, reducing energy losses, and providing a robust and reliable connection between shafts. Properly selected and installed flange couplings help improve the overall efficiency and performance of mechanical systems.

flange coupling

How Do Flange Couplings Compare to Other Types of Couplings in Terms of Performance?

Flange couplings offer several advantages and disadvantages compared to other types of couplings, and their performance depends on the specific requirements of the application. Here’s a comparison of flange couplings with other common coupling types:

1. Flexible Couplings:Misalignment Handling: Flexible couplings, such as elastomeric or jaw couplings, excel in handling shaft misalignment, both angular and axial. Flange couplings have limited misalignment accommodation compared to flexible couplings.- Vibration Damping: Flexible couplings can absorb and dampen vibrations, reducing the impact on connected equipment. Flange couplings, being rigid, provide less vibration dampening.- Load Capacity: Flange couplings can handle higher torque and loads due to their rigid design, making them suitable for heavy-duty applications. Flexible couplings have a lower torque and load capacity but offer other benefits.2. Gear Couplings:Misalignment Handling: Gear couplings are capable of handling higher levels of misalignment, especially angular misalignment.- Load Capacity: Gear couplings are robust and can transmit high torque and handle heavy loads similar to flange couplings.- Complexity: Gear couplings have a more intricate design compared to flange couplings, which may result in higher manufacturing costs.3. Disc Couplings:Misalignment Handling: Disc couplings can accommodate moderate misalignment, but they are not as effective as flexible couplings in this aspect.- Torsional Stiffness: Disc couplings offer high torsional stiffness, making them suitable for precise motion control applications.- Temperature Resistance: Disc couplings can withstand higher operating temperatures compared to some other coupling types.4. Fluid Couplings:Slip Capability: Fluid couplings provide slip between input and output, allowing for smoother starts and reduced shock loads during acceleration.- Efficiency: Fluid couplings may introduce power losses due to fluid shear, resulting in lower efficiency compared to some other coupling types.In summary, flange couplings are ideal for applications requiring high torque transmission and rigid shaft connections. They are commonly used in industrial machinery, pumps, and compressors. However, for applications with misalignment issues, vibration concerns, or the need for torsional flexibility, other coupling types like flexible couplings or gear couplings might be more suitable. The choice of coupling depends on factors such as the specific application, misalignment, load requirements, and the desired level of vibration isolation or damping needed in the system.

China Professional SS316 Flange Connection Ripple Compensator Coupling for Tube Big Size Telescopic Expansion Bellows Joint Flangeless with PTFE  flange couplingChina Professional SS316 Flange Connection Ripple Compensator Coupling for Tube Big Size Telescopic Expansion Bellows Joint Flangeless with PTFE  flange coupling
editor by CX 2024-03-28

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