Air springs have long been an excellent alternative to air cylinders, hydraulic cylinders, and steel springs in a variety of industrial drive and vibration isolation applications. AIRSUSTECH has been a leader in air spring research and development, as evidenced by the development of coil-film air springs and sleeve-type air springs for truck seat suspensions, air-adjustable shock absorbers, industrial equipment actuators, and industrial vibration isolators.

• Diameter of the Top Cover Plate: 135 mm
• Center-to-Center Distance of Screws on the Top Cover Plate: 70 mm
• Diameter of the Bottom Cover Plate: 135 mm
• Center-to-Center Distance of Screws on the Bottom Cover Plate: 70 mm
• Screw (Nut) Thread Count for the Top Cover Plate: 2×3/8-16UNC
• Screw (Nut) Thread Count for the Bottom Cover Plate: 2×3/8-16UNC
• Pneumatic Connection: 1/4NPTF
• Max. Width of the Rubber Bellow: 230 mm
• Maximum Usable Height: 140 mm
• Min. Usable Height: 50 mm

1. Comfort
The inherent stiffness and multi-leaf friction of steel springs transmit more road vibration and impact directly to the vehicle frame and cabin. In contrast, air springs provide a "softer" ride because the column of air is highly compressible and absorbs bumps more effectively. This results in significantly reduced noise and vibration, leading to superior passenger and driver comfort.

2. Economy
The improved damping characteristics of air springs lead to better road contact and more controlled wheel movement. This reduces tire scrub and uneven wear, which are common issues with the stiffer, less responsive leaf springs.

3. Safety
Air suspension systems automatically maintain a consistent vehicle height regardless of load. This ensures optimal headlight alignment and stable handling. Crucially, for multi-axle vehicles, it evenly distributes weight across all axles, preventing dangerous overloading on a single axle. It also maintains better tire contact with the road, achieving closer to pure rolling contact for improved braking efficiency and stability.

4. Reliability
Air spring components are subjected to rigorous fatigue and environmental testing. By eliminating the metal-to-metal contact and friction inherent in leaf spring packs, air springs minimize wear and tear on the entire chassis and connected systems. This reduction in harsh, high-frequency vibrations protects electrical components and structural points, leading to higher overall system reliability and longevity compared to leaf spring suspension.