The pneumatic air actuator has multiple uses and applications, one of the most curious and interesting one is the function of using the rubber air spring in an amusement or thematic park.
The bellow cylinder is placed in order to make the function of an air actuator or a suspension, depending on the type of fun house.
In the following pictures we can see how the air bellow contracts and expands in order to move the structure in the amusement ride.
- The bellow cylinder contracts

- The air bellow expands

The M-90 bellow cylinder’s features
The air bellow used in this application in concrete, is the M-90 air spring. This rubber cylinder is a double convolution bellow with two steel bead plates and a steel girdle ring between the waves. The air actuator has a maximum diameter of 310mm and a stroke of 175mm. Further information about the air spring features can be seen in detail in the ORIA catalogue.
Cross references of the bellow cylinder with other air spring brands
This rubber actuator is equivalent to other brands in the market as Firestone 22, Pirelli T22, Pneuride / Springride S12202, Contitech FD330-22, Phoenix SP2 B22R and Goodyear 2b12-300.
In case of having doubts to compare cross references, it is recommended to contact ORIA for technical support, or check the cross reference chart in the website.