Roll Air Springs (Only Bellows)   Roll Metal Air Springs (Service Assembly)
 

Used in busses in general.Roll air springs has conic channels that allow for easy dismounting and mounting from and to the piston and the plate in the busses. Comfort is more important in busses than other vehicles. And this means that the original vehicle height (the height at which the passengers get on the bus) should always be same, regardless of the load.
 
 
They are commonly used in trucks and tractors.Namely, used in heavy transportation.However, they are also used in certain types of bus.The product has a plate crimpled on it, and this plate has connection parts (stud, fixing pin, etc.) for connection to the chassis, together with the air inlet and outlet. The connection of this product to the piston on the axle is performed by bonding of the air spring to the rubber part via vulcanized lower bowl, or via stretching sheet metal fixed directly into the vulcanized air spring. These products are both in cylindrical and conical shape. This feature related to the form of the air spring is determined in the design phase, and this is directly connected with the placement of the vehicle’s chassis.
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Complete Air Springs   Convolution Air Springs
 

The only difference between complete air springs and roll metal air springs is that complete air springs have a metal or plastic piston. In some designs, piston volume is also used as an air storage area to improve the driving comfort. hey can be produced with or without an integrated wedge.
 
Folded air springs are classified as one-, two-, and three-folded air springs, and they are increasingly replacing the pneumatic cylinders. With an increased working height, less area need, easy use and low maintenance costs, folded air springs provide high performance by preventing vibration in vehicles and machines. They also have superior performance in compression and suspension processes.
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