Product Description
FBE Epoxy Coated Flexible Joint Universal Coupling
Details
| ITEM | DESCRIPTION | |
| Universal Coupling | Center Sleeve | GGG50 |
| End Ring | GJS500-7 | |
| Rubber Seal | EPDM | |
| Bolt | Dacromet Coated Steel/Stainless steel | |
| Washer | Dacromet Coated Steel/Stainless steel | |
| Nut | Dacromet Coated Steel/Stainless steel | |
| Pressure | PN16 | |
| Coating | Blue FBE Coated | |
Packing
Company information
HangZhou Shungji Technology Industry Co., Ltd. (SHJ) is a professional company that provides high-quality casting and forging product services for the fluid pipeline industry. Since its establishment in 2001, SHJ has been trusted by customers for many years due to its honest business philosophy, high-quality products and services, and a technical team with over 30 years of casting experience. Today, our customers have spread to multiple countries in Europe, the America, and Australia, including leading companies in the fluid industry with a century of history.
To this day, SHJ still implements dual development of casting and forging products to meet the needs of its customers. Our main products include ductile iron pipe fittings (elbows, tees, reducers, detachable pipe joints, elevators, etc.), ductile iron flanges, ductile iron valves (butterfly valves, ball valves, etc.), forged steel flanges, butt welded pipe fittings, etc.
SHJ is your guarantee of quality!
Other products
Company Information
HangZhou Shungji Technology Industry Co., Ltd. (SHJ) is a professional company that provides high-quality casting and forging product services for the fluid pipeline industry. Since its establishment in 2001, SHJ has been trusted by customers for many years due to its honest business philosophy, high-quality products and services, and a technical team with over 30 years of casting experience. Today, our customers have spread to multiple countries in Europe, the America, and Australia, including leading companies in the fluid industry with a century of history.
To this day, SHJ still implements dual development of casting and forging products to meet the needs of its customers. Our main products include ductile iron pipe fittings (elbows, tees, reducers, detachable pipe joints, elevators, etc.), ductile iron flanges, ductile iron valves (butterfly valves, ball valves, etc.), forged steel flanges, butt welded pipe fittings, etc.
SHJ is your guarantee of quality!
Team Building
FAQ
Q: What are your payment terms?
A: T/T (50% TT in advance, the rest 50% will be paid before delivery), L/C at sight
Q: Can you make the product as per client's requirement?
A: Yes, we can make it with your exact requirement
Q: Where is your nearest loading port?
A: HangZhou, China.
Q: How can you guarantee the quality or any warranty?
A: If any quality problems occured, you can contact us and we will handle it as consumer's requests.
Q: Do you accept small quantity order?
A: Yes, you can order few sets to test.
Q: Can we choose different material.
A: Yes, the material can be chose according to your requirement.
Q: What is your shipment and delivery time?
A: By sea or train. Normally 25-70 Days for delivery, according to your order quantity.
What are the torque and speed ratings for different sizes of flexible couplings?
The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:
Torque Ratings:
The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).
The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.
Speed Ratings:
The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application's operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).
Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.
Consulting Manufacturer Specifications:
To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer's product specifications or technical datasheets. These documents provide detailed information about the coupling's capabilities, including torque and speed ratings for each available size and model.
Application Considerations:
When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.
Summary:
The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application's requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.
How does a flexible coupling handle misalignment in large rotating equipment?
Flexible couplings are designed to accommodate various types of misalignment in large rotating equipment, ensuring smooth and efficient power transmission while minimizing stress on connected components. Here's how flexible couplings handle different types of misalignment:
- Angular Misalignment: Angular misalignment occurs when the axes of the two connected shafts are not collinear and form an angle. Flexible couplings can handle angular misalignment by allowing the coupling elements to flex and move slightly, thus accommodating the angle between the shafts. The flexible elements, often made of elastomeric materials or metallic membranes, can bend and twist to compensate for angular misalignment, ensuring that the coupling remains engaged and transfers torque effectively.
- Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the two shafts are not perfectly aligned along their axes, resulting in a lateral shift. Flexible couplings can handle parallel misalignment through their ability to move radially, allowing the flexible elements to adjust and take up the offset. This capability prevents excessive side loads on the shafts and bearings, reducing wear and increasing the lifespan of the equipment.
- Axial Misalignment: Axial misalignment occurs when there is a linear displacement of one shaft relative to the other, either toward or away from the other shaft. Some flexible couplings, such as certain types of flexible disc couplings, can accommodate a limited amount of axial misalignment. However, for large axial movement, other types of couplings or special designs may be required.
The flexibility of the coupling elements allows them to act as a buffer between the shafts, dampening shocks, vibrations, and torsional forces caused by misalignment or other dynamic loads. This helps protect the connected equipment from damage and enhances the overall performance and reliability of the rotating system.
In large rotating equipment, where misalignment is more common due to thermal expansion, foundation settling, or other factors, flexible couplings play a critical role in maintaining smooth operation and reducing stress on the machinery. However, it is essential to choose the appropriate type of flexible coupling based on the specific requirements of the application and to regularly inspect and maintain the coupling to ensure optimal performance and longevity.
How does a flexible coupling protect connected equipment from shock loads and vibrations?
Flexible couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing damping and isolation capabilities. When machines or mechanical systems experience sudden shock loads or vibrations, the flexible coupling acts as a buffer, absorbing and dissipating the impact, thereby reducing the transmitted forces and protecting the equipment. Here's how flexible couplings achieve this:
- Damping of Vibrations: Flexible couplings are often made from materials that exhibit damping properties. When vibrations are transmitted through the shafts, the flexible coupling's material can absorb a portion of the vibrational energy, converting it into heat. This dissipation of energy helps reduce the amplitude of the vibrations and prevents them from propagating further into the connected equipment.
- Vibration Isolation: In addition to damping vibrations, flexible couplings also offer a degree of vibration isolation. They are designed to decouple the two shafts, which means that vibrations occurring on one shaft are not directly transmitted to the other shaft. This isolation effect prevents vibrations from propagating across the entire system and minimizes the impact on sensitive equipment or nearby components.
- Shock Absorption: When the connected machinery experiences sudden shock loads, such as during a startup or abrupt changes in load, the flexible coupling can act as a shock absorber. The coupling's design allows it to deform slightly under the impact, absorbing and distributing the shock energy. This prevents the shock from being directly transferred to the connected equipment, reducing the risk of damage or premature wear.
- Misalignment Compensation: Flexible couplings are capable of compensating for misalignment between the shafts. Misalignment can lead to additional stresses and vibrations in the system. By allowing for some degree of angular, parallel, and axial misalignment, the flexible coupling reduces the forces transmitted to the connected equipment and the supporting structures.
- Reduction of Resonance Effects: Resonance is a phenomenon that occurs when the natural frequency of a system matches the frequency of external vibrations, leading to amplified vibrations. Flexible couplings can help avoid resonance effects by altering the system's natural frequency and providing some level of flexibility that damps the resonance response.
By incorporating a flexible coupling into the drivetrain or power transmission system, equipment manufacturers and operators can significantly improve the reliability and longevity of connected machinery. The coupling's ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more stable operation, reducing maintenance requirements and enhancing overall system performance.
In summary, flexible couplings act as protective elements, shielding connected equipment from shock loads and vibrations. Their ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more reliable operation of various mechanical systems.
editor by CX 2023-10-05