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U.S. Bellows U.S. BELLOWS, INC.
FABRIC EXPANSION JOINT CATALOG
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Dirty Flue Gas Expansion Joint Applications

left border     Air Flow for a fabric expansion joint  Dirty Flue Gas Diagram for Fabric Expansion Joints

Similar Applications

Cement Plant, Preheat Tower, Refinery, CO Boiler to Precipitator

Typical Conditions

250° F to 500° operating temperature, -35" to -50" WG pressure, Flue gas with possibly fly ash carryover through air heater, Moderate thermal movements in ducting.

Sample Data Sheet for Listed Applications

Data Sheet for Dirty Flue Gas Expansion Joint Applications

Recommended Expansion Joint Designs

Common Design Features:

  1. Fabric Belt: Un-insulated fabric material. (FLEXXCEL HD7)
  2. Accumulation barrier: Fills expansion joint cavity to minimize the accumulation of particulate.
  3. Liner: Flow liner to retain the accumulation barrier and protect the belt from abrasion.
Style 200W Diagram

Style 200W

  • Design Performance: *****
  • Manufacturing Cost: $$$
  • Installation cost: $$
  • Unique design features: Integral telescoping liners to retain the accumulation barrier and protect the belt from abrasion.

    Style 200W Diagram

    Style 100W

  • Design Performance: ****
  • Manufacturing Cost: $$
  • Installation cost: $$$
  • Unique design features: Field weld liner.

    Style 200W Diagram

    Style 300W

  • Design Performance: ****
  • Manufacturing Cost: $$$$
  • Installation cost: $$$
  • Unique design features: Integral liner.

    Style 200W Diagram

    Style 600W

  • Design Performance: **
  • Manufacturing Cost: $$$$
  • Installation cost: $$$$
  • Unique design features: Field weld liner. Ease of pre-compression for installing in breech opening. Requires belt attachment nuts to be tack welded. Leakage around belt attachment fasteners possible.

    Style 200W Diagram

    Style 700W

  • Design Performance: ***
  • Manufacturing Cost: $$$
  • Installation cost: $$$
  • Unique design features: Belt installed and replaced from inside the duct. Field weld liner. Ease of pre-compression for installing in breech opening. Requires belt attachment nuts to be tack welded. Leakage around belt attachment fasteners possible.

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    Contact Us: +1 (281) 241-9418 Toll Free: (855) 591-0906 Fax: +1 (713) 731-8640 sales@usbellows.com
    Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
    Fellow Subsidiaries: Sweco Fab: ASME Vessels, Pig Launchers, Duct Work, Strainers & Spectacle Blinds
     Pipe Shields: Pre-Insulated Pipe Supports, Slides, Guides & Anchors

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