Inflex Bellows
Hydraulic Repair Service
About Us

Why Inflex Bellows?

At Inflex Bellows, we bring decades of experience to the table, creating stainless steel expansion bellow joints that elevate industry standards. Our expertise is built on a foundation of intricate design, meticulous craftsmanship, and a commitment to meeting your exact specifications. As an essential part of the Inflex Hydraulics family, we uphold the same principles of quality, reliability, and personalized service that have made us a renowned name in the hydraulic solutions arena.

Inflex Bellows

What makes us different?

Inflex Bellows is the epitome of engineering precision. As a division of Inflex Hydraulics, we specialize in crafting stainless steel expansion bellow joints that redefine durability, performance, and customization. Our products, bearing the hallmark of adherence to the renowned Expansion Joint Manufacturers Association (EJMA) standards, guarantee not just efficiency, but a seamless orchestration of fluid power that resonates with perfection. Whether you require standard sizes or intricate custom assemblies, Inflex Bellows is your trusted partner in delivering expansion bellow joints.

Inflex Bellows

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Why Choose Us

We have mastered the art of producing world class Bellows


We use top quality materials


Our engineers are highly skilled


Built to last for a long time


We're the bellow experts.

Check out some of our custom works

Looking For Custom Expansion Bellow Joints?

Inflex Bellows offers different types of expansion joint designs. From simple single bellows element Expansion Joints to pressure-balanced Expansion Joints for your piping or ducting needs, you can find everything at Inflex Bellows.

Need high-quality metal expansion joints for your next project? But don’t have time for a long custom build process? We can help! At Inflex Bellows. we use our reliable, standard metal bellows components to quickly assemble custom expansion joints that meet your specific requirements.

At Inflex Bellows, we believe in versatility and providing a different experience. Our expansion joints are built to handle the demands of a wide range of industries, including:

  • Oil and Gas
  • Aerospace
  •  Power Generation
  • Petrochemical
  •  Water and Wastewater Treatment
  • Marine
  • Boilers
  • Power Plants
  • Heat exchangers

Versatility At Its Best

Single Expansion Joint

Universal Expansion Joint

Hinged Expansion Joint

Gimbal Expansion Joint

Tie Rod Expansion Joint

A bellows with end connections, designed to absorb all movements of the piping system in which it is installed.

A universal expansion joint is an assembly containing one or two bellows connected by a center pipe and equipped with tie rods

A hinged expansion joint is an assembly de­signed to absorb angular rotation in the plane perpendicular to the hinge pins

A Gimbal Expansion Joint is an assembly designed to absorb angular movement in any plane.

Tie rods are attached to the expansion joint to consistently restrain the full pressure thrust during normal operation while allowing only lateral deflection.

Pressure Balanced Expansion Joint

Externally Pressurized Expansion Joint

Rectangular Expansion Joint

Thick Wall Expansion Joint


Is an assembly designed to absorb axial movement while the pressure thrust is balanced by means of tie rods.

For high pressure applications with long axial movements


For rectangular ducting applications


For large diameter piping, in heat exchanger applications



Stainless Steel Expansion Bellows Joints

Austenitic Stainless Steels are the most commonly used materials for metal bellows and expansion joints. Stainless steel expansion joints provide a good combination of strength, corrosion resistance, and cost-effectiveness.

Additionally, SS expansion bellows are like flexible armor for your pipes. They handle extreme temperatures and absorb pressure changes. Which in result protects your system from cracks, leaks, and breakdowns in the longer run.

Metal Bellows Expansion Joints

Metal bellows expansion joints are like tiny metal springs for your pipes! These joints are very flexible and absorb temperature changes, vibrations, and pressure surges quite efficiently. Metal Bellows Expansion Joints protect your entire system from cracks, leaks, and damage.

These bellow joints are widely used in oil & gas, power plants, and more. They are tough yet flexible joints that keep things running smoothly.


What is the purpose of expansion bellows?

The main purpose of the expansion bellows is to absorb dimensional changes. When intact, these bellows ensure the smooth operation and longevity of various piping systems and machinery. Here’s a breakdown of the key reasons why expansion bellows are important:

Thermal Expansion and Contraction: 

Due to the fluctuations in temperature pipes and other components can expand or contract. Expansion bellows provide a flexible section that absorbs these changes. This helps in preventing stress and potential damage to the rigid pipes or connected machinery.

Vibration Control:  

Due to excessive usage, machines sometimes generate vibrations. The vibration can travel through pipes and cause leaks or even component failure. Expansion bellows act as isolators. They absorb these vibrations and minimize their impact on the rest of the system.

Pressure Fluctuations: 

Pressure within pipes can vary due to various factors. Expansion bellows can accommodate these pressure changes by flexing slightly. As a result, this reduces the strain on the piping system.


During installation or due to building settlement, pipes might have some minor misalignments. Expansion bellows can compensate for these misalignments. They prevent leaks and ensure a proper connection.

What is the function of the bellows?

Expansion bellows act as a safety measure. They play a critical role in preventing stress and potential damage caused by temperature fluctuations, vibrations, pressure changes, and misalignments.

Besides that, the expansion bellows act like a blacksmith’s tool. The bellows compress air and then force it out through a nozzle, creating a strong, focused stream of air. This stream can be used to increase the intensity of a fire or provide air for various processes.

What is the difference between bellows and expansion joints?

Both bellows and expansion joints are like flexible connectors in pipes and machines. But bellows are the original OG.

Whereas, expansion joints are the more modern version. They often include extra features like metal casings or different shapes for specific uses.

Metal bellows work as a corrugated metal tube. They are flexible and can absorb changes in length caused by temperature and vibrations.

However, expansion joints offer the same flexibility with additional features like strength, shapes, and more controlled movement. Other features include metal casings, different shapes, and anchors to prevent excessive movement in the pipe system.

What is the function of expansion bellows in a heat exchanger?

Expansion bellows play a crucial role in managing the effects of thermal expansion in a heat exchanger. As one fluid heats up in a heat exchanger, the volume expands. This expansion can put stress on the rigid pipes and components of the heat exchanger. This leads to cracks, leaks, or even complete failure.

This is where the expansion bellows comes in. They act like flexible connectors within the heat exchanger. They are typically made of corrugated metal and offer exceptional flexibility.

Moreover, expansion bellows act like shock absorbers. The bellows stretch and compress as the fluids expand and the heat exchanger heats up, relieving pressure from the rigid parts and preventing cracks, leaks, and breakdowns. They also help keep everything sealed tight so the heat transfer happens efficiently.

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