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9′ Rectangular Metallic Expansion Joint Designed for a Gas Turbine Facility

Type: Rectangular Expansion Joint Size: 106″ x 72″ x 15″ Design: 310 Stainless Steel Bellows / Carbon Steel Material: -20 ...Continue Reading

How do you install an expansion joint?

The necessary steps for installing all expansion joints shall be pre-planned. The installers shall be made aware of these steps ...Continue Reading

How does a toroidal expansion joint work?

A toroidal convolution consists of a circular tube (or totus) wrapped around weld ends or pipe ends having a gap ...Continue Reading

Where do we use expansion joints in piping?

Using expansion joints on piping depends upon the configuration of the piping where you will place the expansion joint to ...Continue Reading

How do you perform a burst test?

The burst test is primarily conducted on bellows. Normally, hydraulic pressure is slowly increased until failure occurs. Based on the ...Continue Reading

What is burst testing?

The objective of the burst test is to determine the ultimate pressure resistance. This test is primarily conducted on bellows. ...Continue Reading

30″ Spent Catalyst Standpipe Metallic Expansion Joint with Pantographic Linkage

US Bellows fabricated this 30″ spent standpipe catalyst metallic expansion joint for a refinery in Montana. The overall installed length ...Continue Reading

Clamshell Bellows for a Shell and Tube Heat Exchange

US Bellows fabricated and installed a clamshell bellows for a shell and tube heat exchanger. The clamshell bellows are designed ...Continue Reading

Three-day Emergency Fabrication of a 40″ I.D., Clamshell Expansion Joint for a Chemical Plant in Texas

Three-day Emergency Fabrication of a 40″ I.D., Clamshell Expansion Joint for a Chemical Plant in Texas Within a three day ...Continue Reading

U.S. Bellows Responds to Emergency Order for a 48″ Diameter Expansion Joint

U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc. rushed to an emergency call of an ...Continue Reading

Do hinged expansion joints have to be designed for pressure thrust?

Yes, hinged expansion joints do need to be designed to accommodate for pressure thrust.

Why do expansion joints have one loose flange?

Expansion joints have one loose flange when specified to facilitate the alignment of flanges on the piping system during installation.

Why is the annealing of stainless steel bellows required?

We do not recommend the annealing of stainless steel bellows because the bellows strength increases while decreasing the cycle life.

When should you replace metal bellows expansion joints?

Metallic expansion joints should be replaced if they are leaking or can simply be replaced on a scheduled maintenance program in ...Continue Reading

How common is it to use steel expansion joint in and out of centrifugal pump?

What will happen if bellow thickness is increased in expansion joints?

If bellow thickness is increased, then the bellows spring rate will increase substantially.

Where can I find a metal expansion joint slide show?

You can find a slide show on an introduction to U.S. Bellows that covers a wide variety of metallic expansion ...Continue Reading

What are unreinforced bellows?

Unreinforced bellows do not have any external type of reinforcement such as root rings or equalizing rings.

What are gimbal expansion joints?

The gimbal expansion joint is basically the same as the hinge type, except that instead of being limited to deflection in only ...Continue Reading

How thick is an expansion joint?

Expansion joint thickness can vary from .010 inches to .125 inches thick depending upon the design requirements for your application.