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Metal Bellows and Expansion Joints Manufactured for Excellence

Welcome to Triad Bellows, where we take pride in providing high-grade standard and custom metal bellows and expansion joints for our customers. We offer many different product configurations and services that will help solve any of your industrial needs. From power plants and factories to large boats, we supply countless industries with the stainless steel bellow and expansion joints required to complete every piping job.

Triad Bellows engineers both standard and custom bellows. Our custom options are the best fit for those with unique needs. With our custom products, you will be getting a product that is built to last and one that will get the job done the most effectively.

We also enjoy sharing our passion and knowledge of metal bellows and expansion joints with our clients. Our goal is to ensure you have on-demand access to product information and installation instructions when you need it.

Call us or fill out our contact form to order your metal bellow or expansion joint today.

FAST QUOTES
QUICK DELIVERIES
QUALITY PRODUCTS MADE IN THE USA &
FRIENDLY PROFESSIONAL SERVICE

These are the Triad benefits our customers have come to rely on. As a custom metal expansion joint manufacturer, Triad Bellows has the flexibility to build metal bellows and metal expansion joints specific to your needs while at the same time saving you money.

Specialists

We specialize in multi-ply metal bellows for the ultimate cycle life performance as well as single-ply metal bellows for less demanding service.

Metal Bellows and Expansion Joints

Custom Design

Let us help you design your metal expansion joints, engine exhaust expansion joints, marine exhaust expansion joints, stainless steel bellows, exhaust flex pipe, externally pressurized expansion joints, pressure balanced expansion joints, rectangular expansion joints, rectangular metal bellows, tied universal expansion joints, hinged and gimbal expansion joints and your duct expansion joints.

Fast Quotes • Quick Deliveries • Quality USA Products • Friendly Professional Service

Exhaust Expansion Joints

EXHAUST EXPANSION
JOINTS

Triad Bellows specializes in the design and manufacturing of metal bellows expansion joints specifically engineered for the engine exhaust industry. The minimum pressure rating on Triad exhaust expansion joints is 5 PSIG @ 1000ºF making them the perfect solution for blower, fan, and other low pressure piping applications …

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Metal Bellows Expansion Joints

METAL BELLOWS
EXPANSION JOINTS

Low pressure and high pressure metal expansion joints are designed and manufactured in strict accordance with the Expansion Joint Manufacturers Association (EJMA) latest 10th edition. At Triad Bellows we believe that design integrity is key to building metal bellows expansion joints that will last. Customers around the …

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Metal Bellows Capsules

METAL BELLOWS
CAPSULES

Low pressure and high pressure metal expansion joints are designed and manufactured in strict accordance with the Expansion Joint Manufacturers Association (EJMA) latest 10th edition. At Triad Bellows we believe that design integrity is key to building metal bellows expansion joints that will last. Customers around the …

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Pressure Balanced Bellows Expansion Joint

PRESSURE BALANCED BELLOWS EXPANSION JOINT

The pressure thrust imposed on the system piping anchors is nearly eliminated with the pressure balanced expansion joint design. Triad Bellows designs and manufactures both the 90 degree elbow style (shown) and the inline pressure balanced style. When space limitations prevent sturdy enough anchor designs this metal expansion joint comes to the rescue.

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Tied Universal Metal Bellows Expansion Joints

Tied Universal Metal Bellows Expansion Joints

The tied universal expansion joint design has large lateral offset capabilities. This double bellows style expansion joint can also be engineered for large amounts of axial compression or a combination of both. Tie rods are designed to absorb the full pressure thrust of the bellows eliminating the need for anchors when used for lateral offset only.

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Metal Bellows Capsules For Expansion Joint Fabricators

Metal Bellows Capsules For Expansion Joint Fabricators

Triad Bellows Design and Manufacturing will custom design your metal bellows specifically for your application. We use sophisticated engineering software developed to meet the strict guidelines of the Expansion Joint Manufacturing Association (EJMA) 10th Edition. If your requirement has already been engineered we can make your bellows to your design.

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Externally Pressurized Expansion Joints For Extreme Axial Travel

Externally Pressurized Expansion Joints For Extreme Axial Travel

Triad Bellows custom designs externally pressurized expansion joints up to 18” diameter with axial compression capabilities up to 16” of travel. All expansion joints are manufactured in the United States and can be custom designed with all stainless steel construction, Inconel bellows, ANSI forged flanges etc… By design the externally pressurized expansion joint is extremely rugged and has several built in features.

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Large Diameter Metal Bellows And Expansion Joints Up To 110”

Large Diameter Metal Bellows And Expansion Joints Up To 110”

With modular tooling, Triad can manufacture uncommon diameter bellows and metric sizes. Most bellows sizes can be produced quickly from 2″ to 110” diameter. As with the smaller bellows, we fabricate multi-ply construction for increased cycle life and movement capability with larger diameters as well. High temperature T-321 stainless steel is our standard material of construction, but T-316, T-304, T-309, T-310, Hastelloy X, Hastelloy C276, Inconel 625 and other alloys can also be used in any of our metal bellows designs.

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Bellows Expansion Joints Manufactured to EJMA 10th Edition Standards

Bellows Expansion Joints Manufactured to EJMA 10th Edition Standards

Triad Bellows designs and manufactures metal bellows and metal bellows expansion joints in accordance with the Expansion Joint Manufacturers Associations latest 10th Edition standards. Bellows design calculations are provided with each quotation. All expansion joints manufactured with tie rods are designed to withstand the full pressure thrust load. At Triad Bellows our goal is to provide innovative, cost saving designs without sacrificing quality and never taking shortcuts.

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4 Surprising Installation-Related Causes Of Metal Expansion Joint Failures

If you're dealing with metal bellows expansion joints failures, you're certainly not alone. Metal expansion joint failures are surprisingly common and have a number of causes, but one of the most common involves improper installation. Fortunately, understanding what leads to these failures can help you prevent them in the future. Here are just a few ...
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PRESSURE BALANCED BELLOWS EXPANSION JOINT

The pressure thrust imposed on the system piping anchors is nearly eliminated with the pressure balanced expansion joint design. Triad Bellows designs and manufactures both the 90 degree elbow style( shown) and the inline pressure balanced style. When space limitations prevent sturdy enough anchor designs this metal expansion joint comes to the rescue. Let our ...
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How Metal Bellows are Made

How Metal Bellows Are Made BELLOWS DESIGN Metal bellows and bellows expansion joints are placed in piping systems to absorb the thermal growth of the pipe. Each time the piping system heats up and cools down the bellows goes through 1 complete cycle.  The manufacturing of a metal bellows starts with the design process. The ...
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