Guangzhou Guomat Air Spring Co., Ltd.
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Single Convoluted Bosch 822419002 Air Spring Assembly Gas Filled Without Bumper Block
OEM NO.
| Cotitech | FS 70-7 |
| Cotitech | FS70-7 |
| Cotitech | FS 70 7 |
| Cotitech | FS70 7 |
| Phoenix | SP 1 B 05 |
| Phoenix | SP 1B 05 |
| Phoenix | SP1 B 05 |
| Phoenix | SP1B05 |
| Bosch | 82241900 |
| Festo | EB-165-65 |
| Festo | EB 165 65 |
| Festo | EB165 65 |
| Festo | EB16565 |
| Weforma | WBE 200-E1 |
| Weforma | WBE 200 E1 |
| Weforma | WBE200-E1 |
| Weforma | WBE200 E1 |
| Weforma | WBE200E1 |
Specifications and Detailed Technical Parameters:AIRSUSTECH 1B7070
Nut/blind nut
Top plate screw (nut) teeth: 2XM8x1.25
The screw center distance of the top cover plate: 44.5mm
Screw (nut) teeth of the bottom cover plate: 2XM8x1.25
The screw center distance of the bottom cover plate: 44.5 mm
Air hole/air inlet/air fittings
Air hole/air inlet: 1/4
The screw center distance between the air hole and the nut: 22.25mm
Cover plate
Top plate diameter: 105 mm
Diameter of the bottom cover: 105 mm
Bell rubber bellows
Maximum diameter of rubber bellows: 165 mm
Natural diameter of rubber bellows: 150 mm
Working stroke: minimum 50 mm to maximum 115 mm
Maximum height: 115 mm
Minimum height: 50 mm
Bumper block/bumper block
No bumper block
Belt loop/Belt loop/Girdle hoop
With belt loop: Without
Min. pressure: 0 bar
Return force to min.height: ≤200N
Overall weight with clamped plates: 1.2kg
Vibration isolation - dynamic characteristic values
Design Height H: recommended 90mm, minimum 70mm
| Pressure p[bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V[l] |
| Force(Load) [KN] | 2.7 | 3.7 | 4.7 | 5.7 | 6.6 | 7.7 | 0.9 |
| Spring rate [N/cm] | 1040 | 1270 | 1530 | 1770 | 2060 | 2325 | |
| Natural frequency [Hz] | 3.1 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 |
Pneumatic application-static characteristic values
Force F[KN]
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] | |
| Height H[mm] | 100 | 2.2 | 3.1 | 4.0 | 4.8 | 5.7 | 6.6 | 1.0 |
| 90 | 2.7 | 3.6 | 4.6 | 5.6 | 6.5 | 7.5 | 0.9 | |
| 80 | 3.1 | 4.1 | 5.1 | 6.2 | 7.3 | 8.3 | 0.8 | |
| 70 | 3.4 | 4.5 | 5.6 | 6.7 | 7.9 | 9.0 | 0.7 | |
| 60 | 3.6 | 4.8 | 6.0 | 7.2 | 8.4 | 9.5 | 0.6 | |
The related picture of 1B7070
Why do air springs have better shock absorption than steel plates?
1. Comfort. Leaf spring independent suspension, heavy weight, large stiffness, poor comfort, long longitudinal size, is not conducive to shortening the car's front suspension and rear suspension, and the connection of the leaf spring pin is easy to wear and so on.
2. Security. For multi-axle vehicles, air suspension ensures that the load between each axle is uniform, which avoids the whole load of single bearing in leaf spring suspension. For a single axle, air suspension basically ensures that the forces on both sides of the vehicle's wheels are evenly distributed. Air spring suspension can make the tire and the ground as far as possible to maintain pure rolling contact, basic can achieve the best braking effect. Therefore, air spring suspension is safer than leaf spring suspension.
3. Reliability. The parts and components of air spring suspension have accepted the rigorous fatigue test of foreign laboratories and the reliability test in harsh environment, and have been verified by the real car operation of our customers for many years. The use of air spring can improve the reliability of the chassis and body electrical system, overcome the rigid contact and friction, not only ease the impact between parts and greatly improve the reliability of the system. It can be seen that air spring suspension than leaf spring suspension del higher reliability.