PSB type air spring vibration isolation
High-Performance Air Spring for Industrial Vibration Isolation and Actuator Applications
PSB type air springs deliver excellent vibration isolation, noise reduction, and load adaptability, making them ideal for industrial machinery, HVAC systems, and precision equipment.
Why Choose PSB Air Spring?
✔ Ultra-Low Natural Frequency
PSB air springs feature a low natural frequency, providing superior vibration isolation, especially for sensitive equipment.
✔ Wide Load Range with Stable Performance
Adjust internal air pressure to handle various load conditions while maintaining consistent isolation efficiency.
✔ Excellent Noise Reduction
No surge effect like traditional coil springs. Effectively isolates high-frequency vibration and noise.
✔ Enhanced Damping with Auxiliary Tank
Optional auxiliary air tank allows softer stiffness and better shock absorption performance.
✔ Adjustable Air Damping System
Built-in throttle valve helps control airflow, providing precise damping adjustment.
Dual Function: Isolation & Actuation
🔹 Vibration Isolation Use
- Excellent anti-vibration performance
- Stable natural frequency
- Effective noise insulation
🔹 Actuator Use
- Compact installation height
- Suitable for heavy load + large stroke
- Flexible structural design
Product Advantages
- Low installation height, space-saving
- High load capacity
- Smooth operation
- Long service life
- Energy-efficient performance
Maintenance-Free Design
PSB air springs have no sliding parts, ensuring:
✔ No lubrication required
✔ Minimal maintenance
✔ Reduced operating costs
Main Applications
1. Industrial Machinery Vibration Isolation
PSB air springs are widely used for vibration and shock control in industrial machinery, ensuring stable operation, reduced noise, and improved equipment lifespan.
Typical applications include:
- Vibrating screens
- Vibratory conveyors
- Concrete block machines
- Concrete product manufacturing machines
- Commercial washing machines
- Centrifuges
- Compressors
- Vacuum pumps
- High-speed presses
In practical applications (especially for products without standard specifications), it is often necessary to optimize performance by combining additional mass, dampers, stoppers, and guide systems.
Through trial and adjustment, the system can achieve the best matching condition, ensuring high-level vibration isolation performance and stable machine operation.
2. Precision Instrument Vibration Isolation
PSB air springs are also suitable for high-precision environments where vibration control is critical.
Typical applications include:
- Exposure systems
- Electron microscopes
- 3D measuring machines
- Laser testing equipment
- LCD inspection systems
These applications require extremely stable support to eliminate micro-vibrations and ensure measurement and processing accuracy.
3. Actuator Applications
In addition to vibration isolation, PSB air springs can also be used as pneumatic actuators for controlled motion and force adjustment.
Typical applications include:
- Lifting devices
- Clamping systems
- Belt tension adjustment systems
- Roller pressure control systems
- Automotive game machines
- Jet blower braking systems
With their compact structure and adjustable air pressure, PSB air springs provide smooth motion control, high load capacity, and flexible system design.
Key Advantage in Application
By adjusting internal pressure and system configuration, PSB air springs can achieve both excellent vibration isolation performance and flexible actuation functions, making them suitable for a wide range of industrial and precision applications.
Product Number Display Method
Structural Diagram
PSB Type Air Spring Vibration Isolation Data Chart
| Stage | Product No. | Standard Height | Min. Height | Max. Height | Total Stroke | Standard Height | Max. Outer Diameter | Standard Pressure | Max. Pressure | Allowable Lateral Displacement | Allowable Angular Deviation | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (mm) | (mm) | (mm) | X (mm) | Effective Diameter D₀ (mm) | Effective Area A₀ (cm²) | Internal Volume V₀ (cm³) | Dmax (mm) | P₀ (MPa) | (MPa) | (±mm) | (±°) | ||
| 1 | PSB-1-70 | 41 | 36 | 61 | 25 | 78 | 48 | 100 | 104 | 0.5 | 0.7 | 5 | 5 |
| PSB-1-100 | 62 | 47 | 82 | 35 | 111 | 96 | 435 | 145 | 0.5 | 0.7 | 10 | 5 | |
| PSB-1-130 | 102 | 50 | 132 | 82 | 142 | 158 | 2420 | 225 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-145 | 102 | 50 | 132 | 82 | 158 | 196 | 2470 | 235 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-170 | 102 | 50 | 132 | 82 | 182 | 260 | 3470 | 262 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-230 | 102 | 50 | 137 | 87 | 245 | 470 | 5940 | 324 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-300 | 102 | 50 | 137 | 87 | 309 | 750 | 9630 | 393 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-360 | 102 | 50 | 137 | 87 | 369 | 1070 | 13660 | 457 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-430 | 102 | 50 | 137 | 87 | 447 | 1570 | 19000 | 526 | 0.5 | 0.7 | 15 | 15 | |
| PSB-1-500 | 102 | 50 | 137 | 87 | 508 | 2030 | 25200 | 594 | 0.5 | 0.7 | 15 | 15 | |
| 2 | PSB-2-110 | 117 | 73 | 151 | 78 | 111 | 97 | 1200 | 158 | 0.5 | 0.7 | 15 | 15 |
| PSB-2-135 | 182 | 88 | 230 | 142 | 146 | 168 | 4110 | 222 | 0.5 | 0.7 | 15 | 15 | |
| PSB-2-170 | 182 | 88 | 236 | 148 | 181 | 258 | 5470 | 262 | 0.5 | 0.7 | 20 | 15 | |
| PSB-2-235A | 182 | 78 | 252 | 174 | 243 | 464 | 9630 | 321 | 0.5 | 0.7 | 20 | 15 | |
| PSB-2-300A | 182 | 82 | 252 | 170 | 303 | 720 | 15400 | 389 | 0.5 | 0.7 | 20 | 15 | |
| PSB-2-360A | 182 | 82 | 252 | 170 | 362 | 1030 | 19490 | 448 | 0.5 | 0.7 | 30 | 15 | |
| PSB-2-430A | 182 | 86 | 272 | 186 | 438 | 1504 | 26340 | 522 | 0.5 | 0.7 | 30 | 15 | |
| PSB-2-500A | 182 | 86 | 272 | 186 | 511 | 2050 | 35740 | 590 | 0.5 | 0.7 | 30 | 15 | |
Precautions for Use
- Do not pressurize the air spring while it is in an unloaded condition.
- Always release air pressure before removing the air spring from equipment or moving the equipment.
- Take care not to damage the rubber bellows during installation and use.
If there is a risk of contact with foreign objects, please install a protective cover. - The operating ambient temperature should be between -20°C and +60°C.
Service life may be reduced in environments above 40°C. - Avoid contact with acids, alkalis, organic solvents, lubricating oils, or other harmful substances on the rubber bellows.
If contamination occurs, rinse immediately with water. - Use the air spring only within the height range specified in the catalog.
- If the rubber bellows has scratches reaching the reinforcement layer or abnormal bulging, replace it immediately.
- Ensure the mounting surface is as flat as possible so that the entire plate supports the load evenly.
Do not apply tension to the piping. - For vibration isolation applications, keep internal pressure below 0.5 MPa.
For actuator applications, keep internal pressure below 0.7 MPa, including instantaneous peak pressure.
For allowable operating ranges, please refer to the dimensions/performance charts. - Two-stage and three-stage types are intended only for actuator use and must not be used for vibration isolation.
In addition, do not maintain operation at standard height or above for more than 10 minutes. - Welding on the metal parts of the air spring is strictly prohibited.
- Do not use the air spring for vibration isolation in equipment under the following conditions:
(1) When the operating speed (or stroke frequency) is close to the natural frequency of the air spring (approx. 3–6 Hz).
Example: presses operating below 500 rpm.
(2) Equipment with very slow speed variation during stop or deceleration, where resonance conditions persist for a long time.
(3) Equipment with high excitation force causing excessive amplitude even at normal operating speeds.
With built-in stopper:
Since a mechanical stopper is integrated inside the air spring, no external stopper is required.
TYPE: S
Lower limit stopper
Product No.: PSB-1-◯◯◯S
Minimum height: 117 mm
With a built-in lower limit stopper, even in the event of air leakage, the stopper will function to prevent equipment damage and interference.
TYPE: U
Upper stopper
Product No.: PSB-1-◯◯◯U
Minimum height: 124 mm
Maximum height: 154 mm
In addition to the lower stopper, an upper stopper is also built in. Even if excessive air is supplied, the stopper will function to prevent equipment damage and interference.
With over 30 years of manufacturing experience, we offer factory-direct pricing, OEM and customization services, fast global delivery, and a strict quality control system. Looking for reliable air spring vibration isolation solutions? Contact us today for professional technical support and the best pricing.
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