Trailer air bag

Light weight. Compared with leaf spring, the biggest advantage of trailer air bag is light weight, in the weight advantage is obvious.

Smooth ride, good shock absorption performance. Vehicles with air suspension ride more smoothly than lightweight vehicles. The height of the air spring can automatically adjust according to the road condition, reduce the vibration, is conducive to the protection of cargo safety.

Model:  Air Suspension Kit

Matching relationship:  Applicable

Unit weight:  2.78kg

Product volume: 22cm * 21cm * 21cm


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Product Details

Products Description


It can be raised or lowered. Can be lifted in two aspects, one is through the trailer air bag can be lifted, reduce wear, save fuel, especially suitable for one-way empty car situation. Second, through the manual height valve in the air suspension system, the height of the vehicle loading platform can be adjusted within a certain range, convenient loading and unloading of goods.


trailer air bag

trailer air bag


trailer air bag

The air spring is filled with air and has compressibility. When encountering uneven road surface, many small vibrations are not easy to be transferred to the car through the air spring to improve driving comfort.


trailer air bag

With the increase of load, the air inside the air spring is constantly compressed, the stiffness is constantly changing, and the nonlinear stiffness curve can be realized, so as to improve the comfortable performance of the ride.



trailer air bag

Bag air spring: The bag air spring (single or three or four sections) consists of a closed compressed gas in the bag and a rubber bag with a curtain line. The elasticity of the spring gets better and better as the number of nodes increases, but the tightness gets worse, and the steel waist is placed between the joints so that the middle part does not expand radially outward. The upper and lower cover plates are sealed with airbags, which are used more in commercial vehicles.



trailer air bag

When the rubber air spring works, the inner cavity is filled with compressed air to form a compressed air column. With the increase of vibration load, the height of the spring decreases, the volume of the cavity decreases, the stiffness of the rubber spring increases, the effective bearing area of the air column of the cavity increases, and the bearing capacity of the rubber spring increases at this time.


trailer air bag

When the vibration load is reduced, trailer air bag the height of the rubber spring rises, the volume of the cavity increases, the stiffness of the rubber spring decreases, the effective carrying area of the air column in the cavity decreases, and the carrying capacity of the rubber spring decreases.

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