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  • U-Lok 401/420

The combination of standard external helix as scuff guard and non-glue construction results in the industry standard high-temperature duct.

Material: Fiberglass/Silicone

Construction: Mechanical bond, corrosion resistant helix

Diameters: 2” to 24” I.D.

Bend radius: 1.5 X I.D.

Length: 25 feet

Compression Ratio: 5:1

Temperature Range: -65°F (-54°C) to +500°F (260°C) intermittent

Color: Metallic grey

Applications

  • Gas exhaust control
  • Hot fume control
  • Hot air supply and removal

*A negative pressure fan system with ambient air inlet is recommended to maximize effectiveness and life of duct. It is important to size the duct diameter according to the exhaust output.

Unit of Measure

Item #

Hose I.D.

Working Pressure

Negative Pressure

Weight
N/A 2.00 in N/A 8 psi N/A 7 in/Hg N/A 0.24 lbs/ft
N/A 3.00 in N/A 6.8 psi N/A 4.5 in/Hg N/A 0.34 lbs/ft
N/A 4.00 in N/A 3.7 psi N/A 2.1 in/Hg N/A 0.4 lbs/ft
N/A 5.00 in N/A 3 psi N/A 1.6 in/Hg N/A 0.5 lbs/ft
N/A 6.00 in N/A 2.3 psi N/A 1.2 in/Hg N/A 0.68 lbs/ft
N/A 8.00 in N/A 1.4 psi N/A 0.7 in/Hg N/A 0.98 lbs/ft
N/A 10.00 in N/A 1 psi N/A 0.45 in/Hg N/A 1.02 lbs/ft
N/A 12.00 in N/A 0.75 psi N/A 0.3 in/Hg N/A 1.26 lbs/ft