Morements: Axial, some lateral or angular  
Pressure thrust must be restrained by pipe anchors

Morements: Lateral  
Pressure thrust can be restrained by tie rods　

Morements: Axial, Lateral  
Pressure thrust must be restrained by pipe anchors　

Morements: Axial and lateral  
Pressure thrust can be balanced　

Morements: Axial  
Pressure thrust can be balanced　

Morements: Axial  
Pressure thrust can be balanced
Smaller outside dimensions

Morements: Angular in one plane  
Pressure thrust can be restrained by hinge system  
Double hinged type can absorb lateral movement in one plane　

Morements: Angular in any plane  
Pressure thrust can be restrained by hinge system  
Double gimbal type can absorb lateral movement in any plane　

Externally pressurized

Movements: Axial, some lateral or angular
Large axial movement can be absorbed without instability
Pressure thrust must be restrained by pipe anchors

Directly buried

Movements: Axial
Design for directly buried pipelines.
Pressure thrust can be restrained by limit devices

To enhance the property to resist stress corrosion, AEROSUN-TOLA built furnaces with up to diameter 5700mm to do solution heat treatment for the bellows, especially used in extremely stress corrosive applications such as FCC units, blast furnaces and heat supply piping underground, etc.