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4-NS-12 Flexaust NS 4 inch Air and Fume Duct Hose - 12ft
4-NS-12 Flexaust NS 4 inch Air and Fume Duct Hose - 12ft
4-NS-12 Flexaust NS 4 inch Air and Fume Duct Hose - 12ft
4-NS-12 Flexaust NS 4 inch Air and Fume Duct Hose - 12ft

4-NS-12 by Flexaust | #2720400012 | NS | Air and Fume Duct Hose | 4 inch | 12ft

Save $71.45 Save $71.45
$400.65
$400.65 - $400.65
$400.65
$329.20
$329.20 - $329.20
$329.20
12 ft | $27.43 / ft

Flexaust
Heat-Flex® NS Air & Fume Duct Hose

Double-ply fabric hose with an iron oxide red silicone coated fiberglass inner layer and a black silicone coated Nomex® outer layer, reinforced with a spring steel wire helix and external filament fiberglass cord.
Specifications for Variant SKU: 4-NS-12 Flexaust | 12 |
Brand: Heat-Flex
Series: NS
Hose Color(s): Black
Internal Diameter: 4in
Tubing Construction: Silicone Coated Fiberglass
Cover Construction: Silicone Coated Nomex
Heat-Flex® High-Temperature Duct Hose

Heat-Flex® NS Air & Fume Duct Hose

Double-ply fabric hose with an iron oxide red silicone coated fiberglass inner layer and a black silicone coated Nomex® outer layer, reinforced with a spring steel wire helix and external filament fiberglass cord.

1

What is this hose used for?
  • Automotive
  • Garage Exhaust
  • Glass Drying
  • Heater
  • High Temperature
  • Rocket Support
  • Tractor Pull Exhaust
  • Transmission Cooling
  • Vehicle Exhaust Systems
2

What are the key specifications?
Tube

Double-ply fabric hose with a iron oxide red silicone coated fiberglass inner layer

Cover

Black silicone coated Nomex® outer layer

Reinforcement

Spring steel wire helix & external filament fiberglass cord

Temperature Range

-65°F to 550°F

3

What are the main product features?
  • Nomex® material increases flex life & abrasion resistance.
  • Suited for high temperature air handling applications.
  • The narrow pitch allows for tight bending radius while maintaining a smooth air flow.
  • Ideal for applications where constant flexing is involved.
  • Non-kinking.
  • Resistant to many oils & solvents, ozone, water, fungus & alkalis.
4

Which sizes are available?
12 ft Reel Inside Diameter Centerline Bend Radius (in.) Compression Ratio Negative Pressure (in. Hg) Working Pressure (PSI) Weight — 12 ft Reel
1-NS-12 1" 1.2" 3:1 29 30 1.44 lbs
1.5-NS-12 1.5" 1.8" 3:1 29 30 2.04 lbs
2-NS-12 2" 2" 3:1 29 30 3 lbs
2.5-NS-12 2.5" 2.3" 3:1 29 30 3.6 lbs
3-NS-12 3" 2.5" 3:1 29 30 3.96 lbs
3.5-NS-12 3.5" 2.5" 3:1 29 30 4.8 lbs
4-NS-12 4" 3" 5:1 27 30 5.76 lbs
4.5-NS-12 4.5" 3.2" 5:1 20 30 6.48 lbs
5-NS-12 5" 3.5" 5:1 14 30 7.08 lbs
6-NS-12 6" 4" 5:1 9 19 7.44 lbs
7-NS-12 7" — — — — —
8-NS-12 8" 4" 5:1 9 14 9.48 lbs
10-NS-12 10" — — — — —
12-NS-12 12" — — — — —
i
Technical data based on 2 ft. straight lengths of hose at 72°F.

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.

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