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Expansion Joints

DFI-2000 Series Expansion Joints

The DFI-2000 Series expansion joint is a thermally-molded flexible boot with clamp (hold-down) bars and optional bolt-in flow liner. The DFI-2000 boot flanges are bolted directly to the customer's duct flanges by use of retaining bars. Having no metal framework makes the 2000 series joints extremely flexible and easy to handle during installation.

DFI2000

Options include:

  • Shape (Round / Rectangular)
  • Material - Molded Boot (Teflon / Insulated Teflon / EPDM)
  • Material - Backing Bar (Carbon (A36) / Stainless Steel (304L))
  • Material - Liner (Carbon (A36) / Stainless Steel (304L))

THE FOLLOWING DATA IS MEANT AS A GUIDE ONLY. CONSULT NEWFAB FOR APPLICATION SPECIFIC RECOMMENDATIONS.

Pressure Range: +/- 3 PSIG
Temperature Range: – 40 /+ 800F

Typical Design Dimensions (Inches)

Flange to Flange Length 6 9 12 15
Axial Compression 1 2 3 4
Axial Extension 0.5 1 1 1
Lateral Offset 0.5 1 2 3

Many customers prefer unpunched belts so they can be sure to match their hole pattern on-site, and account for slight misalignment that has occurred over time.


See Our Project Gallery


Call Us Today At 207-786-2446 or Contact Us By Email.

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