Product Description
1.Raw material:PVC
2 Size:16-40
3 Standard:GB
5 Usage: INSULATING ELECTRICAL
Specifications
1.Material:PVC
2.Standard:JG
3.Certification:ISO9
| Description | Size(mm) | Weight (g/pcs/M) | PCS/CTN | |
| PVC-U CONDUIT | Φ16×1.1 | 85 | 33 | |
| Φ16×1.35 | 100 | 33 | ||
| Φ20×1.2 | 115 | 33 | ||
| Φ20×1.5 | 134 | 33 | ||
| Φ20×1.7 | 155 | 33 | ||
| Φ25×1.4 | 170 | 33 | ||
| Φ25×1.6 | 190 | 33 | ||
| Φ32×1.4 | 220 | 10 | ||
| Φ32×1.8 | 280 | 10 | ||
| Φ40×1.7 | 250 | 10 | ||
| Φ40×2.0 | 350 | 10 | ||
FAQ:
1.What is your MOQ?
Our MOQ is usually 5 CTNS.
2.What is your delievery time?
The time of delievery is around 30-45days.
3.What is the shipping port?
We ship the goods via HangZhou or ZheJiang port.
4.What is your payment terms?
We accept 30% T/T in advance,70% in the period of shipment or 100% L/C.
5.How should I contact you?
You can contact us with Trade Manager or send us an email by click Contact Supplier bottom.
6.What is the location of your company?
Our company is located in the HangZhou ZHangZhoug Province,China.
If you would like to have a visit, you are much welcome.
7.How about the samples?
We could send you the samples ,most samples are free to send to most places in China.If sent to other countries,transport fee shoule be paid by you.
8.Why choose us?
1 Genuine produces with excellent quality and competitive price.
2 Cooperating with the customers all over the world and knowing the markets very well.
3 CZPT is a listed company.Everything can be rest assured working with us.
4 After- Services will be highly-satisfied.Any problems and feedbacks will be answered in a short of time.
Our Services:
1.Any inquiries will be replied within 24 hours
2.Professional manufacturer.
3.OEM is available.
4.High quality, standard designs,reasonable&competitive price,fast lead time.
5.Faster delivery:Sample will be prepared in 2-3days.
6.Shipping:We have strong cooperation with DHL,TNT,UPS,MSK,China Shipping,etc.
7.You can also choose your own shipping forwarder.
How do flexible couplings handle shaft misalignment in rotating equipment?
Flexible couplings are designed to handle shaft misalignment in rotating equipment, providing several key features that allow them to accommodate misalignment effectively. Here’s how they work:
- Angular Misalignment: Flexible couplings can handle angular misalignment, which occurs when the axes of the connected shafts are not perfectly aligned. The coupling’s flexible elements allow for slight angular deviation, ensuring that the torque can still be transmitted smoothly between the shafts.
- Parallel Misalignment: Parallel misalignment occurs when the connected shafts are not perfectly in line but run parallel to each other. Flexible couplings can compensate for this misalignment by utilizing their ability to flex or slide, allowing the shafts to remain connected while maintaining rotational integrity.
- Axial Misalignment: Axial misalignment refers to the situation where the connected shafts have a slight axial displacement. Some flexible couplings have specific designs to handle axial misalignment, allowing for limited movement along the axial direction without compromising the connection between the shafts.
- Double Flexing: Certain types of flexible couplings, such as the double-flexing couplings, can accommodate both angular and parallel misalignments simultaneously. These couplings use two sets of flexible elements to achieve this capability, providing a higher degree of misalignment compensation.
Overall, the flexibility of the coupling’s material and design allows it to bend, flex, or slide in response to the misalignment, reducing the stress on the connected equipment and ensuring smooth power transmission. By accommodating misalignment, flexible couplings help prevent premature wear, reduce vibration, and extend the service life of the rotating equipment.
Can flexible couplings be used in power generation equipment, such as turbines and generators?
Yes, flexible couplings are commonly used in power generation equipment, including turbines and generators. These critical components of power generation systems require reliable and efficient shaft connections to transfer power from the prime mover (e.g., steam turbine, gas turbine, or internal combustion engine) to the electricity generator.
Flexible couplings play a vital role in power generation equipment for the following reasons:
- Misalignment Compensation: Power generation machinery often experiences misalignment due to factors like thermal expansion, settling, and foundation shifts. Flexible couplings can accommodate these misalignments, reducing the stress on shafts and minimizing wear on connected components.
- Vibration Dampening: Turbines and generators can generate significant vibrations during operation. Flexible couplings help dampen these vibrations, reducing the risk of resonance and excessive mechanical stress on the system.
- Torsional Shock Absorption: Power generation equipment may encounter torsional shocks during startup and shutdown processes. Flexible couplings can absorb and dissipate these shocks, protecting the entire drivetrain from damage.
- Isolation of High Torque Loads: Some power generation systems may have torque fluctuations during operation. Flexible couplings can isolate these fluctuations, preventing them from propagating to other components.
- Electrical Isolation: In certain cases, flexible couplings with non-metallic elements can provide electrical isolation, preventing the transmission of electrical currents between shafts.
Power generation applications impose specific requirements on flexible couplings, such as high torque capacity, robust construction, and resistance to environmental factors like temperature and humidity. Different types of flexible couplings, including elastomeric, metallic, and composite couplings, are available to meet the varying demands of power generation equipment.
When selecting a flexible coupling for power generation equipment, engineers must consider factors such as the type of prime mover, torque and speed requirements, operating conditions, and the specific application’s environmental challenges. Consulting with coupling manufacturers and following their engineering recommendations can help ensure the appropriate coupling is chosen for each power generation system.
Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.
editor by CX 2023-09-04