Skip to content
4-Flex-Vest-12 Flexaust Flex-Vest 4 inch Air Duct Hose - 12ft

4-Flex-Vest-12 by Flexaust | #3050400012 | Flex-Vest | Air Duct Hose | 4 inch | 12ft

Save $45.32 Save $45.32
$453.16
$453.16 - $453.16
$453.16
$407.84
$407.84 - $407.84
$407.84

Flexaust Heat-Flex Flex-Vest Air Duct Hose

Inner Layer; Double-ply iron oxide red silicone coated fiberglass fabric hose reinforced with a spring steel wire helix, Outer layer; Single-ply black neoprene coated polyester fabric hose reinforced with a spring steel wire helix

Package Quantity: 12 FT

Can I get a discount on my purchase?

Our listed prices are our lowest possible price with current costing but when volumes/value are high enough sometimes we can pass on a discount from the manufacturer.

Some products have predefined quantity discounts that will apply automatically, those pages have a table near the price describing the discount teirs.

If you feel your purchase quantity of a particular product is very large and want us to investigate with the manufacturer please feel free to Contact Us.

What if my item is out of stock?

All customers get an email regarding the shipping time frame of their purchase, usually within the business day. If your item is in stock we will ship within 1 business day, otherwise, the email will contain a lead time. If you do not receive this email, we recommend checking your email's spam folder. If you have any questions at that point please do not hesitate to Contact Us or chat below!

Can I get free shipping?

Shipping will calculate as free instantly if your order value exceeds $5000.

Some exceptions apply.

Free Freight is only available for the Contiguous USA.

Specifications for Variant SKU: 4-Flex-Vest-12 Flexaust | 12 |
Brand: Heat-Flex
Series: Flex-Vest
Hose Color(s): Black
Internal Diameter: 4in
Tubing Construction: Silicone Coated Fiberglass
Cover Construction: Neoprene Coated Polyester

SPECIFICATIONS

Applications: Aerospace SAE Rating: N/A
Other Ratings: N/A Tube: Double-ply iron oxide red silicone coated fiberglass fabric.
Reinforcement: Inner Layer; Spring steel wire helix. Outer layer; Spring steel wire helix. Cover: Single-ply black neoprene coated polyester fabric.
Temperature Range: -65 deg. F to 550 deg. F inner layer intermittent to 600 deg. F -40 deg. F to 250 deg. F outer layer Crimp Fittings: N/A
Reusable Fittings: N/A
Other Features:
  • Insulation; 1-inch fiberglass insulation (R-Value=4).
  • Insulated dryer hose.
  • Combines flexibility with minimal heat loss.
  • Suited for air handling applications at low positive & low negative pressures.
  • Good flexibility.
  • Excellent external abrasion & chemical resistance.
Part Number 12 ft Reels Inside Diameter Wall Thickness (In) Centerline Bend Radius (In) Compression Ratio Negative Pressure (In/Hg) Working Pressure (PSI) Weight - 12ft (Lbs/Ft)
Flex-Vest 1in 1" N/A 2" 2.5:1 29 30 6 lbs
Flex-Vest 1.5in 1.5" N/A 2.5" 2.5:1 29 30 7.2 lbs
Flex-Vest 2in 2" N/A 3" 2.5:1 29 30 9.6 lbs
Flex-Vest 2.5in 2.5" N/A 3.5" 2.5:1 29 30 10.8 lbs
Flex-Vest 3in 3" N/A 4" 2.5:1 29 30 12 lbs
Flex-Vest 4in 4" N/A 4.5" 2:1 27 30 14.4 lbs
Flex-Vest 6in 6" N/A 5.5" 2:1 9 19 19.2 lbs

Technical data based on 2 ft. straight lengths of hose @ 72 deg.

Flexaust

Flexaust

Flexaust has manufactured durable, long lasting, flexible hose and ducting solutions for industrial and commercial applications for 80 years. Our hose products are used in applications involving air, dust, fume and lightweight materials. Flexaust uses an array of materials including thermoplastic rubber, polyurethane, PVC, neoprene, polyester, and vinyl fabric and polyethylene to manufacture a broad range of products.

Shop Parts by Flexaust