ISO 9001:2015 Certified · Australian Made

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.

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Accredited & certified
ISO 9001 Quality Management certification
ISO 45001 OH&S Management certification
ASSDA Emerald Member accreditation
IAF International Accreditation Forum
JAS-ANZ accreditation

Our Bellows Assembly Types

Complete Range of Engineered Bellows Assemblies

Select a type for its full diagram, movement data and specification, or talk to our engineers about a custom assembly.
Single Expansion Bellows renderSEB

Single 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
View diagram & data
Universal Expansion Bellows renderUEB

Universal 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
View diagram & data
Pantograph Bellows Assembly renderPANTO

Pantograph 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
View diagram & data
Tied Expansion Bellows renderTEB

Tied 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
View diagram & data
Tied Universal Expansion Bellows renderTUEB

Tied 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
View diagram & data
Hinged Expansion Bellows renderHEB

Hinged 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
View diagram & data
Double Hinged Expansion Bellows renderDHEB

Double 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
View diagram & data
Gimbal Expansion Bellows renderGEB

Gimbal 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
View diagram & data
Double Gimbal Expansion Bellows renderDGEB

Double 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
View diagram & data
Externally pressurised bellows renderXB

Externally 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
View diagram & data
Double externally pressurised bellows renderDXB

Double 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
View diagram & data
Gimbal pantograph bellows renderGEB PANTO

Gimbal 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
View diagram & data

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.