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U.S. Bellows Designed an Expansion Joint & Duct Work Assembly during a Plant Turnaround

US Bellows designed a universal expansion joint and duct work assembly for a 3rd pass outlet converter to economizer duct ...Continue Reading

90″ Dia. Duct Work Designed for an Ammonia Plant in Louisiana

U.S. Bellows custom designed and fabricated this 90″ diameter radius long elbow duct assembly for an ammonia plant in Louisiana. The duct ...Continue Reading

Duct Work Custom Designed with Turning Vanes

US Bellows custom-designed ductwork with turning vanes in the elbows for a dry tower leading to a main gas blower ...Continue Reading

Duct Work and Expansion Joint Assembly Custom Designed by U.S. Bellows for an Oil Refinery in California

This duct work and expansion joint assembly was custom designed by US Bellows for an oil refinery in California. The ...Continue Reading

What type of media can pass through a transition piece?

Media that can pass through a transition piece include air, liquid, gasses, dust,dirt, and chemicals.

Can duct work include expansion joints?

Duct work assemblies can include fabricated elbows, tees, straight sections of duct work, fabric or metallic expansion joints and can ...Continue Reading

What is duct work?

Ducts are a series of sectioned tubes, which transfer either heated or cooled air from the furnace or air conditioner, ...Continue Reading

102″ Dia. Single Hinged Expansion Joint and Duct Work Assembly and Two 92″ Single Expansion Joints

U.S. Bellows designed a 102″ dia. single hinged expansion joint and duct work assembly, along with two 92″ single expansion joints for a coal ...Continue Reading

Engineering, Design and Fabrication of 119″ Expansion Joints, Duct Work and Supports

US Bellows provided the total engineering, design, and fabrication package for this project including expansion joints, elbows, duct work, ...Continue Reading

84″ Diameter Duct Work and Fabric Expansion Joint Assemblies

The two assemblies shown, a mitered elbow duct work and fabric expansion joint and duct work assembly, are designed for a sulfuric acid plant. ...Continue Reading

90″ Universal Flanged and Flued Head Expansion Joint and Duct Work Assembly

This universal flanged and flued head expansion joint and duct work assembly is designed for a 90″ diameter line. It includes ...Continue Reading

Duct Work for Absorbing Tower Piping in an Acid Plant

This duct work was fabricated with mitered elbows from SA-516 grade 70 carbon steel, and was designed for absorbing tower piping in ...Continue Reading

78″ Fabric Expansion Joint and Duct Work Assembly with a 90° Elbow for a Sulphuric Acid Plant

US Bellows designed and fabricated a 78″ fabric expansion joint and duct work assembly with a 90° elbow for a ...Continue Reading

How do you analyze duct work?

We use CAESAR II software to conduct pipe stress analysis on duct systems.

60″ Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint

U.S. Bellows, Inc. and PT&P combined to furnish a fabric expansion joint, duct work, a spring support cradle and snubbers. US ...Continue Reading