Flexible Insulated Ductwork

High strength fabric ducting in high pressure industrial applications, especially suitable in fire hazard locations.

Cahill Ducting and Accessories are high strength fabric products for portable heating in high pressure industrial applications (especially in fire hazard locations).

Manufactured with two of our proprietary fabrics, these ducts and accessories are assembled with wire helix reinforcement and heavy duty abrasion resistant wearstrip.

This custom construction provides exceptional durability and strength for extreme applications.

Portable Heating Ducting
High Strength Fabric Ducting

Product Specifications

Portable Heating Ducting
Flexible Ducting
Portable Heating Ducting - Y Connector
"Y" Connector

Diameter Range:
12" to 36" (305mm to 914mm)

Standard Diameter:
16.5" (419mm)

Standard Length:
25ft (7.6M) - Custom lengths available upon request

Wire Pitch:
9" pitch (23cm)

Heavy duty extruded profile.
Silicone coated fiberglass and reinforced flame resistant polyester textile with urethane topcoat (see fabric specification below).

Lock-stitch sewn construction. Seams for accessories are reinforced with additional fabric webbing.

Colors (Exterior / Interior):
Yellow/Gray or Black/Red

Standard End Finish:
Extended Double Encased End Rings / alternative options available upon request.

Operating Temperature:
-65 to +500°F (-53 to 260°)
Exceptional cold-weather flexing and compatible with limited dexterity related to mittens and inserts worn by persons setting up.

Flame Resistance:
Silicone - Passes FTMS 191A/M5903-1 / Inherently flame resistant and developed for Oil & Gas hazards.
FR Polyester - Passes NFPA 701 (small scale), EN533 and NFPA 705.

Fabric Specifications:

Detail Test Method Results Results
Coating Type   Urethane Topcoat Cover Silicone Coating
Color - Face/Back   Yellow/Yellow, Black/Black Gray/Gray
Weight - oz/yd2 ASTM D751 8.5 16.5
Base Fabric Construction   Standard Weave Satin Weave
Type   FR Polyester Fiberglass
2" Strip Tensile - lbf (warp x fill) ASTM D751-00 488 X 302 826 X 701
Grab Tensile - lbf (warp x fill) ASTM D751-00 485 X 315 370 X 273
Trapezoid Tear - lbf (warp x fill) ASTM D751-00 49 X 21 178 X 119
Puncture Resistance - lbs ASTM D751-00 54 42
Taber Abrasion Resistance
ASTM D3884 3000 cycles 485 cycles
Flame Test FTMS 191A/M5903-1 Pass (flame out in 1 second or less) Pass (flame out in 1 second or less)