U-Lok 420

U-Lok 420

Novaflex 3UL420X Duct

The combination of an additional silicone coating with standard external helix as a scuff guard and a non-glue construction results in the industry standard high-temperature duct. You'll find the U-Lok 420 being used in automobile exhaust hose reel, gas exhaust control, hot fume control, hot air supply and removal applications. 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. Not recommended for diesel applications. Also available with stainless steel helix.

  • Inside Diameter: 3" to 24"
  • Compression Ratio: 5:1
  • Tube: Silicone/Fiberglass
  • Temperature Range: -65°F to 500°F
  • Construction: Mechanical bond, corrosion resistant helix

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