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U.S. Bellows U.S. BELLOWS, INC.
FABRIC EXPANSION JOINT CATALOG
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Turbulent Air Expansion Joint Applications

left border   Turbulent Air Expansion Joint ApplicationsTurbulent Air Expansion Joint Applications

Similar Applications

Pulp and Paper Plant, Primary Air to Recovery Boiler

Typical Conditions

Ambient temperature, 40" to 50" WG pressure, Clean air Movement mainly limited to vibrations

Sample Data Sheet for Listed Applications

Data Sheet for Turbulent Air Expansion Joint Applications

Recommended Expansion Joint Designs

Common Design Features:

  1. Fabric Belt: At fan locations, a flutter resistant fabric belt material should be used. (FLEXXCEL FF1)
  2. Standoff: Bolt-in design for attachment to equipment or duct flanges.
  3. External duct insulation: Flow liner to reduce turbulence/flutter of fabric belt material.
Style 200B Fabric Expansion Joint Frames

Style 200B

  • Design Performance: *****
  • Manufacturing Cost: $$$$
  • Installation cost: $$$$
  • Unique design features: Integral telescoping liners. Does not require tack welding nuts.

    Style 100B Fabric Expansion Joint Frames

    Style 100B

  • Design Performance: ****
  • Manufacturing Cost: $$$
  • Installation cost: $$$$$
  • Unique design features: Field weld liner. Does not require tack welding nuts.

    Style 300B Fabric Expansion Joint Frames

    Style 300B

  • Design Performance: ****
  • Manufacturing Cost: $$$$
  • Installation cost: $$$
  • Unique design features: Integral liner. Ease of pre-compression for installing in breech opening.

    Style 400B Fabric Expansion Joint Frames

    Style 400B

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

    Style 500B Fabric Expansion Joint Frames

    Style 500B

  • Design Performance: ***
  • Manufacturing Cost: $$$
  • Installation cost: $$$
  • Unique design features: Bolt-on liner. Flanges on fabric belt attach directly to duct flange or equipment.

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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

    Fronek Anchor/Darling
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