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Every
application has its own unique design requirements.
Selecting the correct type of damper or expansion joint,
as well as the correct orientation and location is essential
for allowing your system to meet these requirements.
Fox Equipment’s engineers specialize in process
gas control and isolation as well as duct movements.
Allowing our engineers to help locate and specify the
dampers and expansion joints in your application will
reduce the cost impact of this equipment and increase
the functionality of the overall system.
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SCR
- Selective Catalytic Reduction (NOx Reduction)
The mandated requirements of NOx reduction have brought
many new issues to the Utility market. Never has there
been a more demanding application for dampers. The combination
of gas temperatures over 800 degrees Fahrenheit, fly
ash accumulation, and the overall size of the ductwork
makes this application unique. Fox Equipment caters
to all of these requirements with proven designs and
equipment. Fox Equipment also has the capability to
incorporate one of the expansion joint flanges into
the adjacent damper. This allows the expansion joint
to be mounted to the damper in the shop ensuring proper
bolt hole alignment, and eliminating the separate installation
of both pieces in the field.
Equipment Used in SCR Applications:
Louvers, Guillotines,
Diverters and Non-Metallic
Expansion Joints |
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FGD
- Flue Gas Desulphurization (SO2 Reduction)
The mandated requirements of SO2 reduction have forced
power plants to install scrubber systems to comply with
these regulations. The use of exotic metals in this
application makes it imperative to select the most cost
effective placement and style of dampers and expansion
joints. Fox Equipment caters to all of these requirements
with proven designs and equipment. Our engineering staff
has designed dampers and expansion joints for the FGD
market since the 1980’s, and is able to supply
information required for placement of this equipment.
Equipment Used in FGD Applications:
Louvers, Guillotines
and Non-Metallic Expansion
Joints |
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HRSG
– Heat Recovery Steam Generation
Fox Equipment’s engineers have been designing HRSG
dampers and expansion joints since the 1970’s.
Gas turbine exhaust systems provide their own challenges,
including gas temperatures that can exceed 1300 degrees
Fahrenheit and high duct velocities. Fox Equipment’s
Belts and Suspenders approach is a must in this application.
Equipment Used in HRSG Applications:
Louvers, Guillotines,
Diverters, Stack
Isolation Dampers
and Non-Metallic Expansion
Joints |
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Fan
Dampers
Fox Equipment supplies a complete array of fan dampers.
This includes DWDI (Double Wide Double Inlet) parallel
louvers used for pre-spin, as well as outlet louver
dampers used for control. Expansion joints can also
be provided for the inlet and/or outlet of the fan.
We also supply a heavy duty radial vane dampers that
can be utilized for a standard or conical inlet.
Equipment Used in Fan Applications:
Louvers, Guillotines,
Radial Vanes and Non-Metallic
Expansion Joints |
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