Rectangular-k27®—
Erosion Resistant

Rectangular-k27 duct is a dependable, erosion-resistant alternative to lined rectangular duct, providing improved protection for insulation exposed to the airstream. In Rectangular-k27 duct, a metal inner liner ensures that high airflow velocities cannot separate insulation fibers from the lining. The metal liner holds the insulation in place without the need for pins or other mechanical fasteners typical of lined ductwork. Because there are no fasteners that can loosen during continued operation, there is no possibility of the insulation pulling away from the duct’s outer wall and creating erosion or airflow problems.

For applications where fiber erosion is of special concern, we can supply ACOUSTI-LINE™ insulation with an erosion-resistant acrylic coating. Our double-wall duct and fittings are rated for airflow velocities up to 4,000 feet per minute and have been tested according to UL-181 standards at airflow velocities of 10,000 feet per minute with no evidence of insulation erosion.

	McGill AirFlow's Rectangular-k27® Duct and Fittings: Erosion Resistant Special Air Quality Options Standard Design

TDC™ is a trademark of Lockformer Company.

© 2002-2008 McGill AirFlow LLC
An enterprise of United McGill Corporation—Family owned and operated since 1951

Unless otherwise noted, all (™) trademarks and (®) registered trademarks are property of United McGill Corporation.