Aflex Bellows Assemblies
Australia's premier metal bellows manufacturer
Industry leading quality assurance and manufacturing systems. Aflex (formerly Axial Dynamics) manufactures a wide range of metal bellows assemblies and expansion joints at our facility in Sydney, NSW. Every bellows is made in Australia.
Manufacturing gallery updated daily




Our Bellows Assembly Types
Complete Range of Engineered Bellows Assemblies
SEBSingle Expansion Bellows
A basic, unrestrained expansion bellows. Allows some flexibility in all directions.
- Applications
- Air ducts, exhaust pipes, any application where thrust is restrained by the pipeline
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1350 nb
UEBUniversal Expansion Bellows
An unrestrained ‘double bellows’ assembly that allows lots of flexibility in all directions.
- Applications
- Air ducts, exhaust pipes, any application where thrust is restrained by the pipeline
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1350 nb
PANTOPantograph Bellows Assembly
An unrestrained, multi-bellows assembly for great axial movement, evenly distributed across every element.
- Applications
- All types of piping. Common on bridges and drainage lines
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 50–1200 nb
TEBTied Expansion Bellows
A restrained expansion bellows allowing some lateral flexibility with axial flexibility in compression only.
- Applications
- Pump connections, water pipes, steam pipes
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1200 nb
TUEBTied Universal Expansion Bellows
A restrained, universal bellows assembly allowing lots of lateral flexibility.
- Applications
- Steam, process and water pipes
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1200 nb
HEBHinged Expansion Bellows
A fully restrained single bellows, allowing only angular flexibility on a single plane. Part of an engineered movement solution.
- Applications
- All types of high-pressure piping
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1200 nb
DHEBDouble Hinged Expansion Bellows
A fully restrained double bellows, allowing only lateral flexibility in a single plane. Part of an engineered movement solution.
- Applications
- All types of high-pressure piping
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1200 nb
GEBGimbal Expansion Bellows
A fully restrained single bellows, allowing angular flexibility on two planes simultaneously.
- Applications
- All types of high-pressure piping
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1000 nb
DGEBDouble Gimbal Expansion Bellows
A fully restrained double bellows, allowing lateral flexibility on two planes simultaneously.
- Applications
- All types of high-pressure piping
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–1000 nb
XBExternally Pressurised Bellows Assembly
A semi restrained bellows assembly, allowing large axial flexibility (no lateral or angular flexibility).
- Applications
- All types of piping where thrust forces are restrained
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–700 nb
DXBDouble Externally Pressurised Bellows Assembly
A semi restrained bellows assembly, allowing extremely large axial flexibility (no lateral or angular flexibility).
- Applications
- All types of piping where thrust forces are restrained
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 40–700 nb
GEB PANTOGimbal Pantograph Bellows
A multi-element bellows assembly fitted with gimbal ends, allowing high axial and lateral flexibility while distributing the movement evenly over every bellows element.
- Applications
- All types of piping. Common on bridges and in buildings to accommodate seismic movement
- Materials
- Austenitic Stainless Steel (316SS & 321SS), 600 & 800 Series Nickel Alloys, Hastalloy C-276, Nickel 200 & 201
- Nominal Pipe Size
- 50–1200 nb
Ready to discuss your next project?
Our engineering team is ready to help you design, specify and manufacture the right metal bellows assembly for your exact application.
