Flanged and flued expansion joints can take minimal amounts of axial motion due to the thickness of the flanged and flued heads.
How much expansion can a flanged and fluid expansion joint accommodate?
August 2, 1990
Tag: faq
Flanged and flued expansion joints can take minimal amounts of axial motion due to the thickness of the flanged and flued heads.
The flange on an expansion joint can be one of the end connections to allow for connection to the pipe in the piping system.
What is a flange on an expansion joint?
The flange on an expansion joint can be one of the end connections to allow for connection to the pipe in the piping system.
Ply refers to the number of sheet metal thicknesses used in the forming of the bellows. Therefore, a 2-ply bellows would be composed of two sheets of metal.
Heat exchanger shell bellows are used on fixed tube sheet heat exchangers. Bellows deflection is only axial and can be either extension or compression depending on the differential expansion of shell and tubes. In most cases the tubes are hotter than the shell, moreover tube material is sometimes high alloy, i.e. Stainless steel or nickel alloy, which expands about 50% more than carbon steel.
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 extension or compression depending on the differential expansion of shell and tubes. In most cases the tubes are hotter than the shell, moreover tube material is sometimes high alloy, i.e. Stainless steel or nickel alloy, which expands about 50% more than carbon steel.
The expansion joint fabric is composed of two components: PTFE resins and fiberglass cloth.
What are FLEXXCEL Flouroplastic materials composed of?
August 1, 1990
The expansion joint fabric is composed of two components: PTFE resins and fiberglass cloth.
Yes, it does. This model requires belt attachment nuts to be tack welded.
Expansion Joints should be stored in a clean and dry environment. However, as a minimum, expansion joints must be stored so that water does not penetrate any closed container.
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 so that water does not penetrate any closed container.
Yes they do have potential for wet conditions.
Styles Include: Style 200W, Style 100W, Style 300W, Style 600W, and Style 700W
What are styles of dirty flue gas expansion joint applications?
Styles Include: Style 200W, Style 100W, Style 300W, Style 600W, and Style 700W
The biggest limitation is the relatively low-temperature capability.
What is a drawback of FLEXXCEL elastomeric belt materials?
The biggest limitation is the relatively low-temperature capability.
That is called torsional rotation.
The belt radius is located at the corner of rectangular expansion joints. The radius corner helps prevent sharp creases that may shorten belt life.
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 may shorten belt life.
Flexxcell FF1 is manufactured to a high weight without sacrificing the critical flexing properties required for a fabric expansion joint.
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.
Yes, it can. The fabric belt must be able to withstand the thermal, pressure and chemical conditions. Modern fabrics accomplish this with a chemically inert barrier bonded to high strength substrate. For high-temperature applications, a layer of insulation is incorporated into the belt.
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 this with a chemically inert barrier bonded to high strength substrate. For high-temperature applications, a layer of insulation is incorporated into the belt.
In certain conditions, a particulate deflector can be specified to reduce air-born particulate from falling down into the expansion joint cavity. This is most common on vertical ducting with the flow directions up and an upstream liner overlapping the downstream duct. The deflector presents an angled surface to the flow and eliminates a ledge for build-up.
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 cavity. This is most common on vertical ducting with the flow directions up and an upstream liner overlapping the downstream duct. The deflector presents an angled surface to the flow and eliminates a ledge for build-up.
Tools needed include: Suitable/safe scaffolding, Lifting equipment (forklift, crane, hoist), Drill, Come along, Rope, Pry Bar
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
The gasket is a non-porous deformable material that is installed between the belt attachment flange and the fabric belt. The gasket allows a gas-tight seal when the back-up bar clamping action is applied.
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 gasket allows a gas-tight seal when the back-up bar clamping action is applied.
It includes integral telescoping liners to retain the accumulation barrier and protect the belt from abrasion.
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.
It is defined as an assembly that utilizes a fabric belt element to allow for the movement of ductwork, as opposed to a metal expansion joint which allows for the movement by means of convoluted metal bellows.
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 to a metal expansion joint which allows for the movement by means of convoluted metal bellows.
Typical operating conditions are 600 degrees F to 750 degrees F, 5†to 80†WG pressure, clean air media, boiler growth contributes to large axial or lateral expansion joint movements depending on the orientation of the joints.
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, 5†to 80†WG pressure, clean air media, boiler growth contributes to large axial or lateral expansion joint movements depending on the orientation of the joints.
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