China factory Multi-Function Gear Ring Single-Section Flexible Stainless Steel Pipe Coupling

Product Description

Multi-Function Gear Ring Single-Section Flexible Stainless Steel Pipe Coupling

1. Briefs : 

*  Mainly used for varied pipe connection
*  Suit for Water, Sewage, Gas, Oil Service Pipeline .

2. Features :

*   used for both pipe connection and leaking pipe repair
*   allow angular deflection and provide restraint 
*   anticorrosive
*   flexible pipe connection
*   Instant and convenience 
*   easy installation and dismantle

3. Dimension Sheet : 

S/N O. D Range Ship Industry Length (mm)
  mm PN (bar) WP (bar) Normal Extended
1 21-23 16 32 57  
2 26-28 16 32 57  
3 33-35 16 32 57  
4 42-44 16 32 57  
5 47-49 16 32 57 100
6 56-58 16 32 57 100
7 59-62 16 32 80 139
8 62-64 16 32 80 139
9 75-78 14 28 80 139
10 79-81 14 28 80 203
11 88-92 14 28 107 203
12 106-110 14 28 107 203
13 112-116 14 28 107 203
14 116-119 14 28 107 203
15 123-126 14 28 107 203
16 131-134 14 28 107 203
17 137-143 14 28 116 203
18 157-161 12 24 116 203
19 163-166 12 24 116 203
20 166-170 12 24 116 203
21 168-172 12 24 116 203
22 198-201 8 16 155 255
23 217-221 8 16 155 255
24 250-254 8 16 155 255
25 271-275 8 16 155 255
26 313-317 7 14 155 255
27 323-327 7 14 155 255
28 354-358 7 14 155 255
29 375-379 7 14 155 255

Note: we accept your specific dimensions which are not included in the above list .

4. Rubber Sealing Sleeve Material 

Rubber Sealing Sleeve Material Chart 
Material  Suit for
EPDM  Temperature Range : -20ºC to +120ºC                                                Suit for water, waster water, air, CHINAMFG and chemicals fluids
NBR  Temperature Range : -20ºC to +120ºC                                                Suit for gas,oil, crude oil and other hydrocarbon fluids
MVQ(Silicon Rubber) Temperatuer Range: -75ºC to +200ºC                                          sunlight resistant, heat resistant, high temperature isolation
VITON( Fluoro Rubber) Temperature Range: -95ºC to +300ºC                                                heat resistant, chemical attack resistant

Note: you should choose the kind of rubber material based on the type of fluids of your pipeline .
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flexible gear coupling

Common Industries and Use Cases for Flexible Gear Couplings

Flexible gear couplings find widespread applications across various industries due to their ability to transmit torque efficiently while accommodating misalignments and reducing vibrations. Some of the common industries and specific use cases include:

1. Power Generation:

Flexible gear couplings are extensively used in power generation plants, including thermal power plants, hydroelectric power plants, and wind farms. They connect turbines, generators, and other rotating equipment, allowing for smooth power transmission and accommodating misalignments caused by thermal expansion or settling.

2. Steel and Metal Processing:

In steel and metal processing industries, flexible gear couplings are employed in rolling mills, continuous casting machines, and other heavy machinery. They handle the high torque and misalignments that occur during metal forming processes, providing reliable power transmission and reducing downtime.

3. Petrochemical and Oil & Gas:

These industries often deal with harsh environments, high temperatures, and corrosive substances. Flexible gear couplings with appropriate materials and coatings are used in pumps, compressors, and other critical equipment to ensure efficient power transmission and reliability.

4. Mining:

Mining operations involve large machines and heavy loads, requiring couplings that can handle substantial torque and misalignment. Flexible gear couplings are used in conveyor systems, crushers, and other mining equipment to maintain smooth and efficient operation.

5. Marine and Shipbuilding:

In marine applications, flexible gear couplings are used to connect marine diesel engines to propeller shafts. They absorb vibrations and misalignments caused by the motion of the ship, ensuring reliable power transmission and reduced wear on the propulsion system.

6. Pulp and Paper:

In the pulp and paper industry, flexible gear couplings are utilized in various stages of the papermaking process, including pulp refiners, digesters, and winding machines. They provide precision torque transmission and minimize vibrations, contributing to the efficiency of the paper production process.

These are just a few examples, and flexible gear couplings can be found in many other industries, such as cement, chemical, food and beverage, and more. Their versatility and ability to handle challenging conditions make them a preferred choice in various power transmission applications across industries.

flexible gear coupling

Enhanced Performance of Flexible Gear Couplings through Gear Teeth Flexibility

The flexibility of gear teeth in flexible gear couplings plays a crucial role in enhancing their overall performance. This flexibility allows the coupling to compensate for misalignments and absorb shocks and vibrations, providing several key benefits:

  • Misalignment Compensation: As the machinery operates, shafts may experience angular, parallel, or axial misalignments due to various factors like thermal expansion, foundation settlement, or manufacturing tolerances. The flexible gear teeth in the coupling can accommodate these misalignments by slight bending or elastic deformation, ensuring the smooth transmission of torque between the shafts despite their misaligned positions.
  • Vibration Damping: During operation, rotating equipment can generate vibrations caused by uneven loads, resonance, or other factors. The flexible gear teeth act as shock absorbers, dampening these vibrations and preventing them from propagating throughout the system. This helps reduce noise, wear, and stress on the machinery components, contributing to smoother and quieter operation.
  • Load Distribution: The flexibility of the gear teeth allows the coupling to distribute the transmitted load evenly across the entire tooth surface. This even load distribution reduces wear and fatigue on the gear teeth, increasing the coupling’s overall lifespan and reliability.
  • Overload Protection: In case of sudden shock loads or overloads, the flexible gear teeth can absorb part of the impact, protecting the connected equipment from damage. This feature is especially important in applications with variable loads or potential shock events.
  • Torsional Flexibility: The gear teeth’s flexibility enables the coupling to handle torsional movements, ensuring that torque is smoothly transferred between the shafts even if they are not perfectly aligned. This feature helps maintain constant velocity transmission, critical in precision systems.

Overall, the flexibility of gear teeth in flexible gear couplings allows these couplings to adapt to changing conditions, provide protection against unexpected forces, and improve the performance and reliability of mechanical power transmission systems.

flexible gear coupling

Accommodating Misalignment and Reducing Vibrations in Flexible Gear Couplings

Flexible gear couplings use an elastomeric flexible element, often made of high-quality rubber, to connect the two gear hubs. This design allows the coupling to accommodate misalignment between the connected shafts and reduce vibrations during operation.

1. Misalignment Accommodation: The flexible nature of the elastomeric element allows it to bend and flex as the shafts move out of alignment. Flexible gear couplings can accommodate three main types of misalignment:

  • Angular Misalignment: Occurs when the shafts are not parallel and are at an angle to each other.
  • Parallel Misalignment: Occurs when the shafts are not in a straight line but are parallel to each other.
  • Axial Misalignment: Occurs when the shafts are displaced along their axis.

The ability to handle these types of misalignment is crucial in various industrial applications where machinery may experience movement, thermal expansion, or other dynamic forces.

2. Vibration Reduction: The elastomeric material in the flexible gear coupling acts as a damping mechanism. It absorbs and dissipates vibrations and shocks generated during operation. This damping effect helps in reducing noise levels and protects the connected equipment from damage caused by excessive vibrations.

Overall, the combination of misalignment accommodation and vibration reduction in flexible gear couplings contributes to improved system reliability, reduced maintenance requirements, and extended machinery life.

China factory Multi-Function Gear Ring Single-Section Flexible Stainless Steel Pipe Coupling  China factory Multi-Function Gear Ring Single-Section Flexible Stainless Steel Pipe Coupling
editor by CX 2024-04-08


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