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.
Options include:
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.