Product Description
Yangbo flange flexible bellow coupling
Basic Parameters:
| Specification: | DN50-DN8000 |
| Compensator | Axial and lateral |
| Bellows Material: | Stainless steel,Carbon steel,PTFE,HDPE,EPDM,NBR |
| Other Parts Material: | Carbon steel, stainless steel, PTFE |
| Bellow Type | Single layer or multi-layer |
| Connection type: | Welded, Flange, Joint |
| Design Temp.: | Max 1300 deg. C |
| Design Pressure: | Max 4.0MPa |
| Movement: | 0-40 deg. |
| Certification | ISO9001,SGS |
| OEM/ODM Service | Available |
| Testing: | 1. Chemical analysis for material |
| 2. Mechanical property testing for material | |
| 3. NDT will be carried out on all products | |
| 4. Pressure testing | |
| 5. Painting testing | |
| 6. Dimension and appearance quality inspection | |
| 7. Package inspection |
Products Show:
Features:
1. Metal bellows to absorb large axial displacement between straight tube and support frame, and small horizontal displacement;
2. To resolve minor deviation because of piping connection and eliminate the pipeline residual stress;
3. All of our metal bellows are easy to clean and maintenance.
Application Fields:
Packaging & Shipping:
Delivery Details: Within 10-15 days after receiving payment
Packaging Details: Standard export wooden case
Company Information:
We are specialized in the manufacturing of all kinds of stainless steel expansion joints and flexible metal hose for over 20 years.
We have achieved ISO 9001 quality system certification and Manufacture License Of Special Equipment Peoples’s Republic Of China.
Advanced technology, good quality, reasonable price and good after-sales service, let us become the industry’s leading brand!
FAQ:
Q: How to pay express charges if order samples?
A: For those customer, who has DHL, FedEx, TNT, UPS account, can give us your account and we will send the samples by freight collected. For those customers, who do not have an express account, we will calculate the express freight charge for you and you can pay the freight charge directly to our company account. Then we will delivery the samples of flexible metal hose by prepaid.
Q: How to pay sample charges?
A: You can pay to pur company account. When we received the sample fee, we will arrange to make the samples for you, The prepare tiome for sample of flexible metal hose will be 3-7 days.
Q: How to order your items?
A: If you have the drawings of products like flexible metal hose, send them to us, we can production the items according to your drawings perfectly! If you not have drawings, please tell us the size, material, quantity, pressure, medium of the item you want, then our technical section will provide drawings for you to confirm the right specification. Finally make you satisfied!
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Are there Specific Temperature and Torque Limits for Different Bellows Coupling Materials?
Bellows couplings are available in a variety of materials, each with its own temperature and torque limits. The choice of material depends on the specific application requirements, including environmental conditions, operating temperatures, and torque demands. Here are some commonly used bellows coupling materials and their respective temperature and torque limits:
- Stainless Steel: Stainless steel bellows couplings are widely used due to their excellent corrosion resistance and high strength. They can operate in a wide temperature range, typically from -40°C to 400°C (-40°F to 752°F). The torque limits for stainless steel bellows couplings vary based on their size and construction but can range from a few Nm to several hundred Nm.
- Aluminum: Aluminum bellows couplings are lightweight and offer good corrosion resistance. They are suitable for applications with lower torque requirements. The temperature limits for aluminum couplings range from -30°C to 150°C (-22°F to 302°F), and the torque limits generally range from a few Nm to around 50 Nm.
- Brass: Brass bellows couplings are known for their electrical conductivity and are often used in applications where electrical isolation is required. They have temperature limits similar to aluminum couplings, ranging from -30°C to 150°C (-22°F to 302°F), and torque limits comparable to aluminum couplings.
- Titanium: Titanium bellows couplings offer exceptional strength and corrosion resistance, making them suitable for demanding applications. They can operate in a temperature range of -50°C to 300°C (-58°F to 572°F), and their torque limits range from a few Nm to several hundred Nm.
- Inconel: Inconel is a high-temperature alloy that provides excellent performance in extreme heat and corrosive environments. Inconel bellows couplings can operate in temperatures from -60°C to 600°C (-76°F to 1112°F) and have high torque capacities, ranging from a few Nm to over a thousand Nm.
- Plastics: Certain plastic materials, such as PEEK (Polyether Ether Ketone), are used for bellows couplings in specialized applications. Plastic couplings offer lower torque capacities compared to metal couplings but can operate in a temperature range of -30°C to 250°C (-22°F to 482°F).
It is essential to consult the manufacturer’s specifications and guidelines to select the appropriate bellows coupling material for your specific application. Choosing the right material ensures that the coupling can withstand the operating conditions and delivers reliable performance throughout its service life.
What are the Standard Sizes and Dimensions Available for Bellows Couplings?
Bellows couplings come in a variety of standard sizes and dimensions to accommodate different shaft diameters and application requirements. The sizes and dimensions of bellows couplings can vary depending on the manufacturer and specific series of the coupling. However, some common standard sizes and dimensions are as follows:
- Shaft Diameter: Bellows couplings are available in a range of shaft diameters, typically starting from a few millimeters up to several inches. Common sizes include 6mm, 8mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, and larger.
- Length: The overall length of a bellows coupling can vary based on the design and intended application. Standard lengths are usually specified by the manufacturer and can range from around 20mm to over 100mm, with longer versions available for certain applications.
- Outer Diameter: The outer diameter of a bellows coupling is determined by the coupling’s construction and can vary across different models. It is essential to consider the available space and installation requirements when choosing a bellows coupling based on its outer diameter.
- Maximum Torque Rating: Each bellows coupling has a maximum torque rating that defines the maximum amount of torque it can transmit without failure. The torque rating is typically specified in Newton-meters (Nm) or pound-inches (lb-in) and varies between different sizes and materials.
- Maximum Speed Rating: Bellows couplings are rated for a maximum rotational speed, usually expressed in revolutions per minute (RPM). The speed rating is an important consideration for high-speed applications to avoid exceeding the coupling’s critical speed or causing undue stress on the components.
- Material: Bellows couplings can be made from various materials, including stainless steel, aluminum, and other alloys. The choice of material depends on factors such as the application’s requirements, environmental conditions, and the need for corrosion resistance.
It’s important to note that these dimensions and specifications may vary depending on the manufacturer and the specific series or model of the bellows coupling. When selecting a bellows coupling, it is crucial to consider the mechanical and performance requirements of the application to ensure proper fit and optimal performance.
What is a Bellows Coupling, and How is it Used in Mechanical Power Transmission?
A bellows coupling is a type of flexible coupling used in mechanical power transmission systems to connect two shafts while allowing for angular misalignment, axial motion, and torsional flexibility. It consists of a thin-walled metallic bellows element that resembles an accordion or bellows, which gives the coupling its name. The bellows is typically made of stainless steel, providing it with the necessary flexibility and durability for various applications.
When used in mechanical power transmission, a bellows coupling accommodates misalignments between the connected shafts. These misalignments can be in the form of angular misalignment, where the shafts are not perfectly aligned in a straight line, or axial misalignment, where there is some linear movement along the shaft axis. Additionally, the bellows element provides torsional flexibility, allowing the coupling to transmit torque while compensating for slight shaft misalignments.
The bellows coupling works by absorbing and redistributing the misalignment forces through the flexing of the bellows element. As the shafts rotate, any misalignment causes the bellows to flex, allowing the coupling to maintain a continuous transmission of torque while reducing stress on the connected shafts. This flexibility also helps dampen vibrations and shock loads, protecting the connected components from excessive wear and fatigue.
One of the significant advantages of using a bellows coupling is its high torsional stiffness. The bellows element provides excellent torsional rigidity, making it suitable for applications where precise motion control and minimal torsional backlash are essential.
Bellows couplings find applications in various industries, including robotics, aerospace, medical devices, semiconductor manufacturing, and precision machinery. They are commonly used in applications where accurate positioning, high torque transmission, and compensating for misalignments are critical requirements.
In summary, a bellows coupling is a flexible and robust coupling solution that allows for angular misalignment, axial motion, and torsional flexibility in mechanical power transmission systems. Its ability to accommodate misalignments while maintaining high torsional stiffness makes it a preferred choice in precision positioning and motion control applications.
editor by CX 2024-02-24