QF Branch 45°

Nordfab manufactures ducting for use in dust, mist, and fume collection systems.

Our Quick-Fit® Branches (sometimes called “wyes” or “laterals”) are standard with QF® rolled ends, allowing quick connections with other QF ductwork.

When ordering, specify material, gauge (if nonstandard), dimensions A, B, C, end styles, and angle (45° shown below, click here for 30°).
A - C ≥ C-B. Use formula to determine if a reducer is needed at C.
Length = C X 2 + 9"
Available in galvanized steel and 304SS (as shown below) or optional 316SS or carbon steel
Available with flanged ends in diameters up to 72", and other various end types
Available with 30° angle
Optional gauges 18, 16, 14, 12 and 10
QF Branches are a Nordfab Now^® product so items in the most commonly used sizes and material are in stock and can typically be shipped the day after order placement.

Contact Nordfab or your local Nordfab dealer for assistance with branch configurations not shown below, larger sizes, and material / gauge options.

Quick-Fit has been used in a wide variety of applications, wherever dust collection or fine particulate transfer is required. Quick-Fit saves time and money on installation, is easy to clean out, is adaptable to existing ductwork, and is easily re-used during shop floor reconfigurations. Learn more about why Quick-Fit may be the best solution for you.

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A. General Fabrication Requirements: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Ch. 3, "Round, Oval, and Flexible Duct," based on indicated static-pressure class unless otherwise indicated.
1. Construct ducts of galvanized sheet steel unless otherwise indicated. 304SS Optional.
2. Basis-of-Design Product: Subject to compliance with requirements, provide Nordfab Ducting, LLC; Quick Fit (QF) Duct.
B. Connection Joints: Joint types are fabricated in accordance with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."
1. Quick Fit Joints in Ducts 3 to 24 inches (76 to 510 mm) in diameter. Flange: Optional.
2. Flanged Joints in All Ducts Greater than 24 inches (610 mm) in diameter.
C. Longitudinal Seams: Seam types are fabricated in accordance with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-2, "Round Duct Longitudinal Seams," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."
1. Fabricated round ducts 3 to 24 inches (76 to 510 mm) in diameter to have laser-welded or plasma-welded longitudinal seams.
2. Fabricated round ducts above 24 inches (610 mm) in diameter to have plasma-welded longitudinal seams.