China supplier Stainless Steel Axial Corrugated Compensator Bellows Pipe Expansion Joint

Product Description

Product Description

Product Name

Vacuum ISO Bellow

Body Material


Surface treatment

CNC machine

Connection method

Clamped, Threaded, Welded, Flanged


ISO63~ISO200 , other size could be customized




100mm~3000mm are optional



Minimum Pressure

10-9 Torr



Other relative products

NW clamp, centering O ring


Food- processing,, pharmaceutical, brewery, etc

1. Resistance to high pressure


Considering the actual working pressure bellows, after all the parameters of careful calculation and trial and error, ensure their pressure for work safety.


2. Manual work is delicate


The appearance is very bright and permanent if the brightness is new.


3. High corrosion resistance


The body of the bellows is made of 304 or 316L stainless steel, with both ends of stainless steel or carbon steel joints. It has good corrosion resistance to ensure the sealing.


4. Convenient for installation


The overall weight is lighter, which greatly reduces the load of construction work and construction time.


5. Shock-proof dislocation


Stainless steel bellows has good flexibility and compensation displacement characteristics


Bellow Data Sheet

Specification ID(d) OD(D) Wave thickness(t) Layer Number(n) Wave distance(q)
DN10 10 16 0.12 2 2.5
DN12 12 20 0.15 2-3 2.5
DN16 16 25 0.15 2-3 3
DN18 18 28 0.15 2 3
DN22 22 32 0.15 2-3 3.5
DN25 25 38 0.15 2-3 4
DN28 28 40 0.15 2 3.5
DN32 32 45 0.16 2-3 4
DN35 35 50 0.2 2-3 5
DN40 40 60 0.3 2-3 5
DN50 50 70 0.3 2-3 5
DN65 65 90 0.3 2-3 5.8
DN80 80 105 0.35 2 7
DN100 100 130 0.35 2 7.5
DN125 125 157 0.4 2 11.5
DN150 150 200 0.5 2 12


1. The table above is parameters table for multilayer;

2. The table above is part of the specifications of our bellows; some specifications have a variety of wave distance and wall thicknesses.

3. Specifications excluded in the table can be customized to design, mold and purchase raw materials according to your requirements.

Specification ID(d) OD(D) Wave distance(q) Wall thickness(t)   Specification ID(d) OD(D) Wave distance(q) Wall thickness(t)
DN10 10 15 1.8 0.11   DN52 52 70 5 0.2
DN12 12 20 2 0.12   DN55 55 80 5.5 0.2
DN14 14 22 2.2 0.12   DN60 60 80 5.5 0.18
DN15 15 23 2.2 0.15   DN65 65 89 5.7 0.2
DN16 16 25 2.3 0.12   DN72 72 100 5.9 0.3
DN17 17 26 2 0.12   DN75 75 100 6 0.2
DN18 18 28 2.6 0.12   DN80 80 105 7 0.2
DN19 19 30 2.3 0.12   DN82 82 110 4 0.2
DN21 21 32 2.5 0.12   DN85 85 110 12 0.3
DN22 22 32 3 0.13   DN90 90 115 6.5 0.3
DN24 24 34 3 0.13   DN95 95 125 9 0.3
DN25 25 38 3 0.12   DN100 100 130 7.5 0.25
DN28 28 40 3.2 0.12   DN120 120 157 10 0.3
DN30 30 44 4.2 0.15   DN125 125 165 12 0.3
DN32 32 45 3.4 0.13   DN130 130 170 8 0.25
DN35 35 50 3.5 0.13   DN135 135 175 11 0.3
DN38 38 55 3.8 0.15   DN150 150 200 12 0.25
DN40 40 60 3.8 0.2   DN165 165 200 10 0.3
DN42 42 60 4.4 0.15   DN200 200 250 12 0.3
DN45 45 65 4.5 0.15   DN220 220 255 8.6 0.3
DN48 48 65 4.5 0.18   DN250 250 300 15 0.3
DN49 49 65 3 0.15   DN280 280 330 18 0.3
DN50 50 70 5 0.2   DN300 300 350 18 0.35


1. The table above is parameters table for single layer;

2. The table above is part of the specifications of our bellows; some specifications have a variety of wave distance and wall thicknesses.

3. Specifications excluded in the table can be customized to design, mold and purchase raw materials according to your requirements.


Q1. Where is your factory?

A1: Our company’s processing center is located in HangZhou, ZHangZhoug, China.

Equipped with various types of machinery and equipment, such as laser cutting machines and mirror polishing machines, we can provide a variety of personalized services according to customer needs.

Q2. What are your company’s main products?

A2: Our main products are stainless steel plates, coils, round or square tubes, bars, channel steel pipe fittings, etc.

Q3. How do you control quality?

A3: Factory testing and certification are provided CHINAMFG shipment, and third-party inspection is available.

Q4. What are your company’s strengths?

A4: We have many professionals and technicians, more competitive prices and better after-sales service than other stainless steel companies.

Q5. How many countries have you exported to?

A5: Exported to more than 50 countries, mainly from the United States, Russia, United Kingdom, Kuwait, Egypt, Turkey, Jordan,

India etc.

Q6. Can you provide samples?

A6: There are small samples in the store. We can provide samples for free. The customer needs to bear the shipping cost.

Customized samples will take about 5-7 days.

Standard: DIN, ANSI, GB, JIS, BSW, Non-Standard Customization
Material: 304/316L
Connection: Flange
Surface Treatment: Equal
Head Type: Round
Model Number: N-Hose
US$ 1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

universal joint

Can universal joints be used in marine and offshore applications?

Yes, universal joints can be used in marine and offshore applications. Here’s a detailed explanation:

Marine and offshore environments present unique challenges in terms of harsh operating conditions, exposure to saltwater, vibrations, and high torque requirements. Universal joints offer several advantages that make them suitable for use in these demanding applications.

1. Misalignment Compensation: Marine and offshore systems often require the transmission of rotary motion between misaligned shafts due to the dynamic nature of the environment. Universal joints excel at compensating for angular misalignment, allowing for smooth power transmission even when the shafts are not perfectly aligned.

2. Torque Transmission: Universal joints are capable of handling high torque loads, which is crucial in marine and offshore applications. They can efficiently transfer power between the main engine or motor and various equipment, such as propellers, winches, pumps, or generators.

3. Compact Design: Space is often limited in marine and offshore systems, and universal joints offer a compact design compared to alternative methods of transmitting motion between misaligned shafts, such as gearboxes or flexible couplings. This compactness allows for more efficient use of available space.

4. Corrosion Resistance: Marine and offshore environments are highly corrosive due to the presence of saltwater and other corrosive agents. Universal joints can be designed and manufactured using materials that exhibit excellent corrosion resistance, such as stainless steel or non-corroding alloys, to ensure long-term performance and reliability in these environments.

5. Sealing and Lubrication: Proper sealing and lubrication are critical in marine and offshore applications to protect the universal joint’s internal components from water ingress and corrosion. Specialized sealing mechanisms, such as lip seals or labyrinth seals, can be implemented to prevent water intrusion, while effective lubrication systems ensure smooth operation and reduce wear.

6. Shock and Vibration Resistance: Marine and offshore equipment are subjected to significant shock and vibration loads due to wave motion, vessel movement, or equipment operation. Universal joints are designed to withstand these dynamic forces and provide reliable power transmission in such conditions. The use of high-quality bearings, robust construction, and proper balancing contribute to their resilience against shock and vibration.

7. Customization: Universal joints can be customized to suit specific marine and offshore applications. Manufacturers can tailor the design and materials to meet unique requirements, such as high-speed operation, extreme temperature variations, or specific size constraints. Customization ensures that the universal joints are optimized for their intended use, maximizing their performance and reliability.

When utilizing universal joints in marine and offshore applications, it is crucial to consider factors such as load requirements, environmental conditions, maintenance procedures, and compliance with relevant industry standards and regulations. Regular inspection, maintenance, and proper lubrication are necessary to ensure the longevity and reliable operation of universal joints in these challenging environments.

In summary, universal joints can be effectively used in marine and offshore applications due to their ability to compensate for misalignment, handle high torque loads, compact design, corrosion resistance, sealing and lubrication capabilities, shock and vibration resistance, and customization options. The selection and design of universal joints should consider the specific requirements and challenges associated with marine and offshore environments to ensure optimal performance and reliability.

universal joint

Can universal joints be used in heavy-duty machinery and equipment?

Yes, universal joints can be used in heavy-duty machinery and equipment. Here’s a detailed explanation:

Universal joints are widely employed in various industrial applications, including heavy-duty machinery and equipment. They offer several advantages that make them suitable for such applications:

  • Flexibility: Universal joints are designed to transmit torque and accommodate angular misalignment between shafts. This flexibility allows for the transmission of power even when the shafts are not perfectly aligned, which is often the case in heavy-duty machinery where misalignment can occur due to structural deflection, thermal expansion, or other factors.
  • Torque Transmission: Universal joints are capable of transmitting significant amounts of torque. The torque capacity of a universal joint depends on factors such as its size, design, and the materials used. In heavy-duty machinery, where high torque levels are common, appropriately sized and robust universal joints can effectively handle the required torque transmission.
  • Compactness: Universal joints are compact in design, allowing them to be integrated into tight spaces within machinery and equipment. Their compactness enables efficient power transmission in applications where space constraints are a concern.
  • Durability: Universal joints can be manufactured from materials that provide high strength and durability, such as alloy steels or stainless steels. This durability allows them to withstand heavy loads, harsh operating conditions, and repetitive motion, making them suitable for heavy-duty machinery and equipment.
  • Cost-Effectiveness: Universal joints are often a cost-effective solution for torque transmission in heavy-duty machinery. Compared to alternative power transmission methods, such as gearboxes or direct drives, universal joints can offer a more economical option while still providing adequate performance and reliability.

However, it’s important to consider the specific requirements and operating conditions of the heavy-duty machinery when selecting and implementing universal joints. Factors such as the torque levels, rotational speed, angular misalignment, operating temperature, and maintenance practices should be carefully evaluated to ensure that the chosen universal joints are appropriately sized, rated, and maintained for reliable and safe operation.

In summary, universal joints can indeed be used in heavy-duty machinery and equipment. Their flexibility, torque transmission capabilities, compactness, durability, and cost-effectiveness make them a viable choice for power transmission in a wide range of heavy-duty applications.

universal joint

How do you install a universal joint?

Installing a universal joint correctly is essential to ensure its proper functioning and longevity. Here are the general steps to guide you in the installation process:

  1. Prepare the universal joint: Before installation, inspect the universal joint for any damage or defects. Ensure that all the components, such as yokes, bearings, and cross, are in good condition. Clean the components if necessary and apply a suitable lubricant to ensure smooth operation.
  2. Align the shafts: Position the shafts that need to be connected by the universal joint. Align the shafts as closely as possible, ensuring that they are parallel and collinear. If precise alignment is challenging, universal joints can compensate for slight misalignments, but it is still preferable to have the shafts as aligned as possible.
  3. Insert the cross: Insert the cross-shaped center piece of the universal joint into one of the yokes. Ensure that the cross is aligned properly with the yoke and that the bearings are securely seated in the yoke bores.
  4. Attach the second yoke: Slide the second yoke onto the cross, aligning it with the opposite ends of the cross arms. Make sure the yoke is oriented in the correct phase with the first yoke, typically 90 degrees out of phase, allowing for angular displacement.
  5. Secure the yokes: Use the appropriate fastening method to secure the yokes to the shafts. This can include methods such as set screws, clamps, or retaining rings. Follow the manufacturer’s guidelines and torque specifications for the specific type of universal joint being installed.
  6. Check for smooth operation: After securing the yokes, rotate the connected shafts by hand to check for smooth operation and proper articulation. Ensure that the universal joint moves freely without binding or excessive play. If any issues are detected, double-check the alignment, lubrication, and fastening of the universal joint.
  7. Test under load: If applicable, test the universal joint under the expected load conditions of your application. Monitor its performance and check for any abnormal vibrations, noises, or excessive heat. If any issues arise, re-evaluate the installation and make necessary adjustments or consult with an expert.
  8. Maintenance and lubrication: Regularly inspect and maintain the universal joint as part of your overall system maintenance. Ensure that the joint remains properly lubricated according to the manufacturer’s recommendations. Lubrication helps reduce friction, wear, and heat generation, extending the life of the universal joint.

It’s important to note that the installation process may vary depending on the specific type and design of the universal joint, as well as the application requirements. Always refer to the manufacturer’s instructions and guidelines for the particular universal joint you are installing, as they may provide specific procedures and considerations.

China supplier Stainless Steel Axial Corrugated Compensator Bellows Pipe Expansion Joint  China supplier Stainless Steel Axial Corrugated Compensator Bellows Pipe Expansion Joint
editor by CX 2023-11-29