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High Temperature Silicone Air Duct Hose, 450F, Orange Only

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Silicone Rubber Air Duct Hose is popular for brake cooling ducts due to its high temperature capability (maximum 450° F continuous / 500° F intermittent). Lower-temperature applications can use our Neoprene Air Duct Hose (Part No. 3620).

This hose is extremely flexible and pliable, but a bronze coated spring-steel wire support helix prevents it from collapsing. The fiberglass fabric cover and fiberglass cord are both impregnated and coated with silicone rubber. Lengths can be screwed together to form a continuous length if you've got leftovers around. Red-orange color only. This silicone duct hose is not made in any other color.

Note: These ducts are manufactured in 12 foot nominal lengths but only measure 12 feet when stretched tightly. The actual lengths will generally measure several inches less than nominal when relaxed.


Silicone Air Duct Hose
Nominal ID 1.5 Inch 2 Inch 2.5 Inch 3 Inch 3.5 Inch 4 Inch 4.5 Inch 5 Inch 5.5 Inch
Pressure Rating* 18 psi 15 psi 14 psi 13 psi 12.5 psi 12 psi 11 psi 10 psi 9.5 psi
Vacuum Rating* 18 in Hg 14 in Hg 12.5 in Hg 11 in Hg 10 in Hg 10 in Hg 8.5 in Hg 7.5 in Hg 6 in Hg
Centerline Bend Radius 1.2" 1.72" 2.15" 2.55" 3.1" 3.6" 4.15" 4.6" 5.2"

* Pressure and vacuum ratings are all for straight lengths of hose at 72° F. Temp range -65° F to +450° F.

The 3 Inch size is most popular for brake ducting on racecars. This size fits most of our NACA ducts and air inlet ducts.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

3621-1.50-3 FOOT
Condition: New
SKU: 76833

High Temp Silicone Air Duct, 1.5 inch ID, 3 foot length

$24.49In Stock

3621-1.50-6 FOOT
Condition: New
SKU: 76834

High Temp Silicone Air Duct, 1.5 inch ID, 6 foot length

$45.99In Stock

3621-1.50-12 FOOT
Condition: New
SKU: 76832

High Temp Silicone Air Duct, 1.5 inch ID, 12 foot length

$86.99In Stock

3621-2.00-3 FOOT
Condition: New
SKU: 52079

High Temp Silicone Air Duct, 2 inch ID, 3 foot length

$26.79In Stock

3621-2.00-6 FOOT
Condition: New
SKU: 38675

High Temp Silicone Air Duct, 2 inch ID, 6 foot length

$50.49In Stock

3621-2.00-12 FOOT
Condition: New
SKU: 38676

High Temp Silicone Air Duct, 2 inch ID, 12 foot length

$94.99In Stock

3621-2.50-3 FOOT
Condition: New
SKU: 35310

High Temp Silicone Air Duct, 2.5 inch ID, 3 foot length

$29.29In Stock

3621-2.50-6 FOOT
Condition: New
SKU: 36717

High Temp Silicone Air Duct, 2.5 inch ID, 6 foot length

$54.99In Stock

3621-2.50-12 FOOT
Condition: New
SKU: 36718

High Temp Silicone Air Duct, 2.5 inch ID, 12 foot length

$102.99In Stock

3621-3.00-3 FOOT
Condition: New
SKU: 35311

High Temp Silicone Air Duct, 3 inch ID, 3 foot length

$33.49In Stock

3621-3.00-6 FOOT
Condition: New
SKU: 36719

High Temp Silicone Air Duct, 3 inch ID, 6 foot length

$62.99In Stock

3621-3.00-12 FOOT
Condition: New
SKU: 36720

High Temp Silicone Air Duct, 3 inch ID, 12 foot length

$116.99In Stock

3621-3.50-3 FOOT
Condition: New
SKU: 76837

High Temp Silicone Air Duct, 3.5 inch ID, 3 foot length

$35.49In Stock

3621-3.50-6 FOOT
Condition: New
SKU: 76838

High Temp Silicone Air Duct, 3.5 inch ID, 6 foot length

$66.99In Stock

3621-3.50-12 FOOT
Condition: New
SKU: 76836

High Temp Silicone Air Duct, 3.5 inch ID, 12 foot length

$124.99In Stock

3621-4.00-3 FOOT
Condition: New
SKU: 35312

High Temp Silicone Air Duct, 4 inch ID, 3 foot length

$39.99In Stock

3621-4.00-6 FOOT
Condition: New
SKU: 38216

High Temp Silicone Air Duct, 4 inch ID, 6 foot length

$75.99In Stock

3621-4.00-12 FOOT
Condition: New
SKU: 38217

High Temp Silicone Air Duct, 4 inch ID, 12 foot length

$140.99In Stock

3621-4.50-3 FOOT
Condition: New
SKU: 76841

High Temp Silicone Air Duct, 4.5 inch ID, 3 foot length

$43.49Not In Stock
notify me when available

3621-4.50-6 FOOT
Condition: New
SKU: 76842

High Temp Silicone Air Duct, 4.5 inch ID, 6 foot length

$81.99Not In Stock
notify me when available

3621-4.50-12 FOOT
Condition: New
SKU: 76840

High Temp Silicone Air Duct, 4.5 inch ID, 12 foot length

$152.99Not In Stock
notify me when available

3621-5.00-3 FOOT
Condition: New
SKU: 35314

High Temp Silicone Air Duct, 5 inch ID, 3 foot length

$46.49In Stock

3621-5.00-6 FOOT
Condition: New
SKU: 38214

High Temp Silicone Air Duct, 5 inch ID, 6 foot length

$87.99In Stock

3621-5.00-12 FOOT
Condition: New
SKU: 38215

High Temp Silicone Air Duct, 5 inch ID, 12 foot length

$164.99In Stock

3621-5.50-3 FOOT
Condition: New
SKU: 76845

High Temp Silicone Air Duct, 5.5 inch ID, 3 foot length

$49.99In Stock

3621-5.50-6 FOOT
Condition: New
SKU: 76846

High Temp Silicone Air Duct, 5.5 inch ID, 6 foot length

$93.99In Stock

3621-5.50-12 FOOT
Condition: New
SKU: 76844

High Temp Silicone Air Duct, 5.5 inch ID, 12 foot length

$177.99In Stock
 
Related Product Groups
Cooling Air Ducting Hose