Product Description
Ductile Iron Universal Coupling for vavles, pipes
Notice:We are a factory with 16 years of experience, we believe that we have absolute advantages in price and quality.
FEATURES
| 1. For STEEL,DI,UPVC,CI,and AC pipes or almost any other rigid pipe material. |
| 2. In the form of wide range (Up to 23mm) couplings,are designed to join pipes of various outside diameters with the same or different nominal bore. |
| 3. PN16 operating pressure. |
| 4. The ability of universal coupling to join dissimilar pipe materials is a bonus feature in both repair or permanent situations. |
| Standards & Specifications | |
| Manufacture | BSEN1563 / EN-GJS(QT)-450-10 |
| Coating | WIS4-52-01 |
| Gasket | EN681-2 |
| Test | EN14525 / BS8561 |
| Working Pressure | PN10 / PN16 |
| Size & Material | |||
| Size Range | DN50-600 | ||
| Main material | Body | CARBON STEEL / DUCTILE IRON | |
| End Ring | DUCTILE IRON GGG-40 | ||
| Gasket | EPDM / NBR / SBR | ||
| Bolts & Nuts | CARBON STEEL | ||
| Coating | EPOXY coating | ||
| UNIVERSAL COUPLING drawings & Dimensions |
| Related product show |
| ZheJiang zHangZhoui Valve Industry Co.,Ltd is an integrity valve manufacturer, which has its own foundry, matching shop, and assembly line. Our company has passed ISO9001,Wras and CE Certification.
Our main products are gate valve, butterfly valve, check valve and control valve, we have been exported to Japan, Singapore, France, USA, Australia and so on, our valves satisfies to the international standard like GB, ANSI/API, DIN as well as client’s special specifications. The valves have met with warm reception based on excellent quality, competitive price, good shipment and timely delivery time all over the world. |
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| Our products |
| Packaging |
| Certifications |
FAQ
1.Can I have a sample order for valve?
A: Definitely Yes.We welcome sample order to test and check quality. Mixed samples are acceptable.
2. Can you OEM or ODM?
A:Yes, we have a great research & development team. The products can be made according to your request.Please send us high resolutionimages,your logo and other materials needed . We will send you finished files for confirmation.
3. Can you provide the relevant documentation and certificate?
A:Yes, we can provide you with the documentation and certificate you need ,IS09001:2000 international quality system certification,(CE)certification of the European Community, Det Norske Veritas (DNV) factory certification, Lloyd’s Register (LR) factory certification, China Classification Society (CCS) quality system certification and the FM and UL certification of the US, Bureau Veritas(BV) ,American Bureau of Shipping(ABS) etc.Of course we can also provide you the test Report; Certificate of Material Analysis; Certificate of Origin; and other export documents which required.
4.How to proceed an order for valve?
A: Step1 let me know your requirements or application. Step 2 We quote according to your requirements or our suggestions. Step 3 Customer confirms the samples and places deposit for formal order. Step 4 We arrange the prodution.
5.What is your terms of delivery?
A: We accepte EXW,FOB,CIF,etc. You can choose the 1 which is the most convenient for you.
6.What’s the package and how do you ship the goods?
A: Usually is wood pallet as your requst. We usually ship by sea.Airline shipping is also optional.
7. How to deal with after sales?
A: warranty time : 24 months from the shipment ; and we will be responsible for all the quality problems. Quality control : High quality mold./Raw materials control/Production process quality control/Final inspection/Water testing (no leaking).
8. What is the average lead time?
A:For samples, the delivery time is about 2-5 days. For mass production, the lead time is about 15-50 days after receiving the deposit payment. we can provide production schedule and related photos every 2 weeks. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products.If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate our production plan to your needs.
9. Why choose us?
A:We are a verified supplier and creditable company on Made-in-China, Genuine produces with excellent quality and competitive price, we are focusing on the long term relationship with customers, Genuine produces with excellent quality and competitive price. After-Services will be highly-satisfing.
Signs of Wear or Failure in a Universal Coupling
Universal couplings are critical components in power transmission systems, and detecting signs of wear or impending failure is crucial to prevent equipment damage and ensure safe operation. Here are some common signs to look out for:
- Abnormal Noise: Unusual noises, such as clicking, grinding, or squeaking, during equipment operation can indicate misalignment, wear, or damaged universal coupling components.
- Vibration: Excessive vibration in the machinery may suggest misalignment or imbalance in the universal coupling or connected components.
- Visible Wear: Inspect the universal coupling visually for signs of wear, such as deformation, cracks, or visible damage to the coupling elements or shaft connections.
- Looseness: Check for any looseness in the universal coupling, shaft connections, or locking mechanisms. Loose components can lead to misalignment and accelerated wear.
- Shaft Movement: If there is axial or radial movement in the shafts during operation, it may indicate worn or damaged universal coupling components.
- Increased Operating Temperature: A rise in operating temperature beyond normal levels could be a result of friction and misalignment in the universal coupling.
- Reduced Performance: If the equipment’s performance declines, such as reduced power transmission efficiency or speed fluctuations, it may be a sign of coupling wear or failure.
- Grease Leakage: In grease-lubricated universal couplings, excessive grease leakage around the coupling seals can be an indication of seal damage or wear.
- Frequent Maintenance Issues: If the machinery equipped with a universal coupling requires frequent maintenance or repairs, it may be due to coupling issues that need attention.
- Age and Service Life: Consider the age of the universal coupling and its service life. Over time, couplings experience wear and fatigue, and older couplings may require closer inspection.
If any of these signs are observed, it is essential to take immediate action. Discontinue equipment operation, inspect the universal coupling thoroughly, and consult a qualified professional to determine the cause and plan necessary repairs or replacement. Regular maintenance and inspection can help detect potential issues early, ensuring the safe and efficient operation of the mechanical system.
Can a Universal Coupling Reduce Vibration and Noise in Mechanical Systems?
Yes, a universal coupling can help reduce vibration and noise in mechanical systems, especially in applications where misalignment is a concern. Universal couplings are designed to accommodate angular misalignment between shafts, which can arise due to various factors such as manufacturing tolerances, thermal expansion, or dynamic forces.
When shaft misalignment occurs in a mechanical system, it can lead to vibration and noise during operation. This is because misaligned shafts cause uneven distribution of forces and result in increased stresses on bearings, shafts, and other connected components. The resulting vibration and noise can be detrimental to the performance, efficiency, and lifespan of the machinery.
By using a universal coupling, the coupling’s design allows it to compensate for angular misalignment and minimize the transmission of misalignment-induced vibrations to the connected equipment. The flexibility of the universal coupling allows it to handle moderate angular misalignments while transmitting torque smoothly between shafts. This reduces the stresses on the connected components and mitigates the vibration and noise levels.
However, it is important to note that while universal couplings can help reduce vibration and noise caused by angular misalignment, they may not address other sources of vibration and noise in the system. For example, if the vibration is primarily caused by unbalanced rotating parts, worn bearings, or other factors unrelated to misalignment, a universal coupling alone may not be sufficient to eliminate the issue.
Overall, when selecting a universal coupling for a specific application, it is essential to consider the level of misalignment it can handle, the type of vibration and noise issues present, and whether additional measures are required to address other sources of vibration and noise in the mechanical system.
Advantages of Using a Universal Coupling in a Drive System
A universal coupling, also known as a universal joint or U-joint, offers several advantages when used in a drive system:
- Flexibility: Universal couplings can transmit torque and rotation between shafts that are not in a straight line and have angular misalignment. This flexibility allows for easier design and installation of the drive system, especially in applications where the shafts are not perfectly aligned.
- Angular Misalignment Compensation: The universal joint can handle angular misalignment between the connected shafts, making it suitable for applications where the shafts are at different angles to each other. This feature helps reduce stress on the shafts and bearings, leading to extended component life.
- Smooth Power Transmission: The double universal joint, also known as the double Cardan joint, can reduce the angular variation between the input and output shafts, resulting in smoother power transmission and reduced vibration in certain applications.
- Constant Velocity: The constant velocity joint (CV joint) maintains a constant velocity ratio between the input and output shafts. This is particularly important in automotive drive shafts, especially in front-wheel-drive vehicles, where the drive shafts must adjust to changing angles as the wheels turn. The constant velocity feature provides a smoother ride and reduces vibration.
- Compact Design: Universal couplings have a relatively simple design, which allows for a compact and lightweight construction. This is advantageous in applications where space and weight are critical factors.
- Cost-Effective: Universal couplings are cost-effective compared to some other types of couplings, making them a popular choice for various mechanical systems.
- Reliability: When properly lubricated and maintained, universal couplings can provide reliable and efficient power transmission for a long service life.
- Versatility: Universal couplings are versatile and find applications in various industries, including automotive, aerospace, marine, industrial machinery, and power transmission systems.
In conclusion, the universal coupling’s ability to handle misalignment and provide flexibility in power transmission makes it a valuable component in many drive systems. Its advantages in compensating for angular misalignment, ensuring smooth power transmission, and offering a cost-effective and reliable solution have contributed to its widespread use in different mechanical applications.
editor by CX 2023-11-16