Product Description
Rigid Aluminum Conduit Couplings
General
The rigid aluminum conduit coupling is used to connect the Rigid Aluminum conduits together, thus extending the length of the conduit. It is manufactured from high-strength rigid aluminum conduit shell according to ANSI C80.5 UL6A standards with UL certificate number of E48 0571 . Its trade size can be from 1/2″ to 6″.
Detailed Product Description
- Standard: UL6A & ANSI C80.5
- Certificates: UL Listed, certificate No.: E48 0571
- Trade Size: From 1/2″ to 6″
- Usage:Used in Rigid Aluminum Conduit
- Material: Aluminum alloy
- Package: Carton
- Delivery Time: 20 to 30 days after we receive your advance payment or copy of L/C
- Payment Term: L/C at sight or T/T
Dimension and Weight Chart
| Trade Size | Weight Per 100 pcs | Outside Diameter “B” | Minimum Acceptable Legnth”A” | Standard Carton Qty | Weight Per Carton | ||||
| KG | LBS | mm | in. | mm | in. | PCS | KG | LBS | |
| 1/2″ | 2.7 | 6 | 27.38 | 1.078 | 41.3 | 1.626 | 400 | 10.8 | 24 |
| 3/4″ | 4.1 | 9 | 33.73 | 1.328 | 41.7 | 1.642 | 300 | 12.3 | 27 |
| 1″ | 5.9 | 13 | 39.67 | 1.562 | 50.0 | 1.969 | 180 | 10.6 | 23 |
| 1-1/4″ | 8.6 | 19 | 49.61 | 1.953 | 51.6 | 2.031 | 100 | 8.6 | 19 |
| 1-1/2″ | 10.4 | 23 | 56.36 | 2.219 | 52.4 | 2.063 | 75 | 7.8 | 17 |
| 2″ | 15.9 | 35 | 69.85 | 2.750 | 54.0 | 2.126 | 60 | 9.5 | 21 |
| 2-1/2″ | 30.8 | 68 | 83.34 | 3.281 | 81.0 | 3.189 | 12 | 3.7 | 8 |
| 3″ | 41.3 | 91 | 96.84 | 3.813 | 84.1 | 3.311 | 8 | 3.3 | 7 |
| 3-1/2″ | 49 | 108 | 112.71 | 4.437 | 86.5 | 3.406 | 4 | 2.0 | 4 |
| 4″ | 64.4 | 142 | 127.00 | 5.000 | 89.3 | 3.516 | 4 | 2.6 | 6 |
| 5″ | 109.8 | 242 | 157.96 | 6.219 | 100.4 | 3.953 | 2 | 2.2 | 5 |
| 6″ | 145.2 | 320 | 185.74 | 7.313 | 108.0 | 4.252 | 3 | 4.4 | 10 |
Company Information
HangZhou East Steel Pipe Co., Ltd is nearly about 60 years old and located in the worldly kite capital -HangZhou city in ZheJiang Province, which is about 156 kilometers far from HangZhou port. It was originated from the socialism cooperative in 1954, then developed into the state-owned enterprise, which was named as HangZhou Steel Pipe company in 1976. In 2001, HangZhou Steel Pipe company was restructured to be the private enterprise and renamed as HangZhou East Steel Pipe Co.,Ltd.
HangZhou East Steel Pipe Co.,Ltd, which occupies about 254,000 square meters, has a total capital of USD80 million and annual comprehensive output of 200,000 tons. Now it owns 800 employees, including 300 senior/intermediate engineers and professional technicians.
Now our electrical products include Rigid Steel Conduit ,Rigid Aluminum Conduit, IMC Conduit, EMT Conduit and Conduit fittings such as elbow, nipple, coupling, etc., and our products have been exported to more than 51 countries in the world, including North America, Middle America, South America, Asia, Middle East, Europe, etc. We are always appreciated by our clients for good quality and excellent services.
- Fast Facts About HangZhou East Steel Pipe Co.,Ltd.
-The largest rigid steel conduit producer in China
-The only producer of Hot Dip Galvanized EMT conduit in the world.
-The professional manufacturer of conduit accessories in China
UL6A Products
FAQ
Q1. Are you a manufacturer or trading company?
A: We are a manufacturer specializing in steel pipe related products for more than 20 years in domestic market, so we can provide products stably for a long time with lower price.
Q2.Can you provide free sample for our test?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. You only need to bear the freight and the sample will be sent out within 7 days.
Q3. Do you have any MOQ limit for production?
A: The order quantity minimum requirement is a 20 GP container. As for our steel pipe product, we usually use container transport for lower freight.
Q4. How to proceed an order for product?
A: Firstly let us know your requirements or application.
Secondly we quote according to your requirements or our suggestions.
Thirdly buyer confirms the samples(if you need) and places deposit for formal order.
Finally we arrange the production.
Q5. Is it OK to print my logo on the product or the carton packing?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q6. How to deal with the faulty?
A: We sincerely welcome you to investigate our factory and inspect the goods. Our products are produced in strict quality control system and the defective rate is low.
Also, if you have any questions or dissatisfaction, please feel free to contact us. We will serve you as soon as possible and give you a satisfactory solution.
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Can Rigid Couplings Accommodate High Torque and High-Speed Applications?
Yes, rigid couplings are well-suited for high torque and high-speed applications. Their design and construction allow them to efficiently transmit large amounts of torque and handle high rotational speeds without compromising performance or introducing backlash.
Rigid couplings are typically made from robust materials, such as steel or aluminum, which provide high strength and stiffness. This allows them to withstand substantial torque loads without deformation or failure. Additionally, rigid couplings do not have flexible elements, such as elastomers or springs, which can be a limiting factor in high-torque applications.
The absence of flexible elements also means that rigid couplings have minimal backlash. Backlash is the clearance between mating teeth in a coupling and can cause position inaccuracies, especially in high-precision systems. Since rigid couplings have a solid, one-piece design, they offer precise and immediate torque transmission, making them suitable for applications requiring high accuracy and repeatability.
Furthermore, the solid construction of rigid couplings allows them to handle high rotational speeds. They do not exhibit the bending or torsional flexibility seen in some other coupling types, which can be limiting factors in high-speed applications. As a result, rigid couplings are commonly used in various high-speed machinery, such as power transmission systems, motors, pumps, and industrial equipment.
However, it is essential to ensure proper alignment and installation when using rigid couplings in high-torque and high-speed applications. Any misalignment between the shafts can lead to increased stresses and premature failure. Regular maintenance, including shaft alignment checks, can help ensure optimal performance and longevity in such demanding applications.
In summary, rigid couplings are an excellent choice for high torque and high-speed applications due to their robust design, minimal backlash, and ability to provide precise torque transmission. When correctly installed and maintained, rigid couplings can reliably handle the demands of various industrial and mechanical systems.
How Does a Rigid Coupling Handle Angular, Parallel, and Axial Misalignment?
Rigid couplings are designed to provide a fixed and rigid connection between two shafts. As such, they do not have any built-in flexibility to accommodate misalignment. Therefore, when using a rigid coupling, it is essential to ensure proper shaft alignment to avoid excessive forces and premature wear on connected equipment.
Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Rigid couplings cannot compensate for angular misalignment, and any angular misalignment should be minimized during installation. Precision alignment techniques, such as laser alignment tools, are often used to achieve accurate angular alignment.
Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the axes of the two shafts are parallel but have a lateral displacement from each other. Rigid couplings cannot accommodate parallel misalignment. Therefore, precise alignment is crucial to prevent binding and excessive forces on the shafts and bearings.
Axial Misalignment: Axial misalignment occurs when the two shafts have an axial (longitudinal) displacement from each other. Rigid couplings cannot address axial misalignment. To prevent thrust loads and additional stresses on bearings, it is essential to align the shafts axially during installation.
In summary, rigid couplings are unforgiving to misalignment and require precise alignment during installation. Any misalignment in a rigid coupling can lead to increased wear, premature failure of components, and reduced overall system efficiency. Therefore, it is crucial to use appropriate alignment techniques and tools to ensure optimal performance and longevity of the connected equipment.
What is a Rigid Coupling and How Does it Work?
A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.
Structure and Design:
Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.
Working Principle:
The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.
Applications:
Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:
- High-precision machinery and equipment
- Robotics and automation systems
- Precision motion control systems
- Machine tools
- Shaft-driven pumps and compressors
Advantages:
The key advantages of using rigid couplings include:
- High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
- Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
- Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
- Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.
Limitations:
Despite their advantages, rigid couplings have certain limitations:
- No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
- Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
- Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.
In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.
editor by CX 2024-05-08