JBF250-140-1 Air Spring Isolator

Single convoluted air springs are simple yet powerful shock-absorbing devices, typically made from rubber and synthetic fiber materials. Their single convolution structure provides excellent elasticity and flexibility in the vertical direction, effectively absorbing and isolating vibrations and shocks. Due to their simple design, they are easier to install and maintain compared to multi-convoluted air springs, and they are also more cost-effective. The height and load capacity of single convoluted air springs can be adjusted by altering the internal air pressure, making them suitable for various industrial and vehicle applications. They are commonly used in the suspension systems of light vehicles, vibration damping devices in industrial machinery, and other situations requiring vibration control. Their excellent durability and reliability allow them to perform well in various harsh working environments, making them an ideal replacement for traditional steel springs.

Bellows-type air springs have successfully solved vibration and noise problems in many industrial applications. Through their unique design and functionality, they effectively isolate vibrations and shocks between mechanical equipment and structural components, thereby extending the service life of the equipment and improving operational comfort and safety. The main components of air springs include a corrugated spring body made of rubberized fabric, clamping rings, top and bottom plates, and center rings. These components work together to ensure that the air spring can operate stably under various conditions.

In vehicles, air springs are frequently used as seat suspension devices and elements to provide vibration and shock isolation. These air springs not only improve ride comfort but also protect critical vehicle components from vibration damage. In these applications, the characteristics of the air spring can be adjusted by changing the internal overpressure to suit different loads and operating conditions. This is especially important for trucks, lorries, and buses, as air springs can maintain a permanent clearance between the bottom of the vehicle and the road even when the load changes, ensuring smooth and safe travel.

Air springs can also be advantageously used as pneumatic actuators in many applications. Specific uses include:

Lifting platforms: Using air springs as the driving device for lifting platforms allows for smooth and controlled lifting operations, suitable for industrial loading, unloading, and maintenance work.

Jacks: Air springs can serve as the main driving components in jacks, used for lifting and supporting vehicles and heavy equipment.

Pressing devices for paper machines: In the papermaking process, air springs can control the pressure of pressing devices, ensuring consistent paper thickness and quality.

Tensioning devices for belt conveyors: Air springs are used to adjust the tension of conveyor belts, preventing them from becoming slack or too tight, thereby improving conveying efficiency and equipment longevity.

Control devices for car and truck clutches and brake shoes: In these applications, air springs can provide precise control forces, ensuring the reliability and responsiveness of the clutch and braking systems.

Moreover, bellows, as a crucial component of air springs, are an important means of eliminating vibrations in engineering technologies and isolating noise. Through their flexibility and elasticity, bellows can effectively absorb and attenuate vibration energy, reducing noise transmission and improving the stability of the working environment and equipment operation.

Air springs are also widely used in pantographs, which are critical devices for electric locomotives and trolleybuses to obtain power from overhead wires. The cushioning and supporting functions of air springs ensure stable contact between the pantograph and the wire, guaranteeing the continuity and safety of the power supply.

In summary, bellows-type air springs have a wide range of applications in modern industry and transportation. Their excellent vibration and noise isolation capabilities make them indispensable critical components.

Model:JBF250/140-1

Maximum Load: 1500kg

Maximum Outer Diameter: 250mm

Natural Outer Diameter: 220mm

Minimum Compressed Height:57mm

Maximum Extended Height: 180mm

Air Hole Standard: G1/4andG3/4

Corresponding international model:

Firestone:wO1-M58-6374

Contitech:FS 200-10

Phoenix :SP 1B 12

Dunlop(FR):9″1/4×1 S09101

Festo:EB-250-85

Norgren :PM/31091(81/4×1)

Our Commitment：
1、Raw Materials: Strict adherence to raw material standards.；
2、Production Process: Rigorous control of each production stage with full traceability.；
3、Testing Center: Regular testing of raw materials, rubber compounds, finished product performance, pressure, load-bearing capacity, and deflection.；
4、After-Sales Service:Commonly used products: 3-year warranty. Products with high-temperature, acid/alkali resistance, and oil resistance requirements: 2-year warranty.Custom products for special applications: 1-year warranty.For any quality issues, we will provide a written response within 12 hours and a resolution within 24 hours. If there is a quality problem, our factory will replace the product free of charge.；