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What is expansion joint ply?

Ply refers to the number of sheet metal thicknesses used in the forming of the bellows. Therefore, a 2-ply bellows would ...Continue Reading

What is a heat exchanger bellows?

Heat exchanger shell bellows are used on fixed tube sheet heat exchangers. Bellows deflection is only axial and can be either ...Continue Reading

What are FLEXXCEL Flouroplastic materials composed of?

The expansion joint fabric is composed of two components: PTFE resins and fiberglass cloth.

Does the style400B turbulent air expansion joint application require a belt attachment?

Yes, it does. This model requires belt attachment nuts to be tack welded.

Where can I store a fabric expansion joint?

Expansion Joints should be stored in a clean and dry environment. However, as a minimum, expansion joints must be stored ...Continue Reading

Do the turbulent flue gas and wet gas expansion joint applications have potential for wet conditions?

What are styles of dirty flue gas expansion joint applications?

Styles Include: Style 200W, Style 100W, Style 300W, Style 600W, and Style 700W

What is a drawback of FLEXXCEL elastomeric belt materials?

For fabric expansion joints what type of rotation is the twisting of one side of the duct about the longitudinal axis?

On a fabric expansion joint where is the radius corner located?

The belt radius is located at the corner of rectangular expansion joints. The radius corner helps prevent sharp creases that ...Continue Reading

How is the Flexxcell FF1 manufactured?

Flexxcell FF1 is manufactured to a high weight without sacrificing the critical flexing properties required for a fabric expansion joint.

For fabric expansion joints can the fabric belt withstand thermal, pressure and chemical conditions?

Yes, it can. The fabric belt must be able to withstand the thermal, pressure and chemical conditions. Modern fabrics accomplish ...Continue Reading

What is the function of the particulate deflector on a fabric expansion joint?

In certain conditions, a particulate deflector can be specified to reduce air-born particulate from falling down into the expansion joint ...Continue Reading

What tools are needed to install a fabric expansion joint assembly?

Tools needed include: Suitable/safe scaffolding, Lifting equipment (forklift, crane, hoist), Drill, Come along, Rope, Pry Bar

Where is the gasket installed in a fabric expansion joint?

The gasket is a non-porous deformable material that is installed between the belt attachment flange and the fabric belt. The ...Continue Reading

What is unique about the style 200W high temperature dirty flue gas expansion joint

It includes integral telescoping liners to retain the accumulation barrier and protect the belt from abrasion.

How is a fabric expansion joint defined?

It is defined as an assembly that utilizes a fabric belt element to allow for the movement of ductwork, as opposed ...Continue Reading

What is the typical operating conditions for high temperature clean air expansion joint applications?

Typical operating conditions are 600 degrees F to 750 degrees F, 5â€ to 80â€ WG pressure, clean air media, boiler growth ...Continue Reading

What kind of frame attachment is commonly used for turbulent flue gas and wet gas expansion joint applications?

Bolt-in design for attachment to equipment or duct flanges. (If equipment or duct flanges are not present, weld in designs ...Continue Reading

What is design integration for fabric expansion joints?

In addition to fabric expansion joints, U.S. Bellows is a major designer and fabricator of ducting. Design Integration is the ...Continue Reading