Ductwork

Nordfab’s QF® Bell Mouth Hood has a flared end to increase the capture ratio of air, dust, and smoke as well as increase laminar air flow. The QF (rolled edge) end allows quick connection to Nordfab duct fittings. Available in Galvanized and...

Ducting elbows, sometimes referred to as bends, allow airflow direction change in a straight run of ductwork. Nordfab’s QF® Long Radius elbows are available in 90°, 60°, 45°, and 30°, in galvanized or stainless steel, (specify...

Ducting elbows, sometimes referred to as bends, allow airflow direction change in a straight run of ductwork. Nordfab’s QF® Long Radius elbows are available in 90°, 60°, 45°, and 30°, in galvanized or stainless steel, (specify...

Provides weather protection (outdoors) and cover (indoors) for wall penetration. Ordering one QF® Wall Flashing provides you with both 1 inside and 1 outside flashing (4 halves). Available in Galvanized and 304SS (as shown below) or optional 316SS...

Provides cover for roof penetration. Made in two halves and caulked. 23° roof slope maximum. Available in Galvanized and 304SS (as shown below) or optional 316SS or carbon steel Contact us for assistance with material / custom options.

QF® Elbows in 16 gauge are constructed of gores lapped over one another and spot welded. This is a directional elbow and supplied with an arrow to indicate the direction of flow. Please specify direction if ordering ends other than QF. Other CLRs...

QF® Elbows in 16 gauge are constructed of gores lapped over one another and spot welded. This is a directional elbow and supplied with an arrow to indicate the direction of flow. Please specify direction if ordering ends other than QF. Other CLRs...

Used to adjust airflow to balance system by introducing ambient air. Available in Galvanized and 304SS or optional 316SS or carbon steel Available with flanged ends in diameters up to 24", and other various end types Optional gauges 20, 18 and...

Used to adjust airflow to balance system by introducing ambient air. Available in Galvanized and 304SS or optional 316SS or carbon steel Available with flanged ends in diameters up to 24", and other various end types Optional gauges 20, 18 and...

Tested by MET Laboratories to hold, without failure, up to 170lbs for 9” and up to 850lbs for 20″. Cannot be used as a Clamp connection. Clearance hole 7/16".

Tested by MET Laboratories to hold, without failure, up to 170lbs for 9” and up to 850lbs for 20″. Cannot be used as a Clamp connection. Clearance hole 7/16".

QF Branches (sometimes called “wyes” or “laterals”) are standard with QF rolled ends, allowing quick connections with other QF ductwork. When ordering, specify, specify material, gauge (if nonstandard), dimensions A, B, C, end...