Dunham Rubber & Belting Corporation
Dunham Rubber & Belting Corporation
682 Commerce Parkway West Drive, Greenwood, IN 46143
Toll Free: 800.876.5340
Tel: 317.888.3002
Fax: 317.888.2335
Email: mail@dunhamrubber.com
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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.

U-Lok 401/420
Unit of Measure
1 

Item #

Hose I.D.

Working Pressure

Negative Pressure

Weight

List Price

U-Lok-401-2.00 N/A 2.00 in N/A 8 psi N/A 7 in/Hg N/A 0.24 lbs/ft QUOTE
U-Lok-401-3.00 N/A 3.00 in N/A 6.8 psi N/A 4.5 in/Hg N/A 0.34 lbs/ft QUOTE
U-Lok-401-4.00 N/A 4.00 in N/A 3.7 psi N/A 2.1 in/Hg N/A 0.4 lbs/ft QUOTE
U-Lok-401-5.00 N/A 5.00 in N/A 3 psi N/A 1.6 in/Hg N/A 0.5 lbs/ft QUOTE
U-Lok-401-6.00 N/A 6.00 in N/A 2.3 psi N/A 1.2 in/Hg N/A 0.68 lbs/ft QUOTE
U-Lok-401-8.00 N/A 8.00 in N/A 1.4 psi N/A 0.7 in/Hg N/A 0.98 lbs/ft QUOTE
U-Lok-401-10.00 N/A 10.00 in N/A 1 psi N/A 0.45 in/Hg N/A 1.02 lbs/ft QUOTE
U-Lok-401-12.00 N/A 12.00 in N/A 0.75 psi N/A 0.3 in/Hg N/A 1.26 lbs/ft QUOTE
Unit of Measure
1