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QF Double Branch 45°
QF Double Branch 45°

    QF Double Branch 45°

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

    Quick-Fit® Double Branches are standard with QF® rolled ends, allowing quick connections with other QF ductwork.

    • When ordering, specify material; gauge (if nonstandard); dimensions A, B, C, and D; end styles if not all QF; and angle.
    • (A - C) ≥ (C-B) and (C) ≥ (D). Use formula above to determine if a reducer is needed at C or D.
    • 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
    • Other available gauges include standard 22 and 20, 18, 16, 12 and 10

    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.

    Specification
    • 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.
      Technical specification
      • Unique ref.us-qf-double-branch-45deg
      • Product familyQuick-Fit Clamp Together Ducting
      • Product groupBranches
      • TypeObject (single object)
      • Date of publishing2024-05-08
      • Edition number1
      Related
      • Material mainGalvanized steel
      • Material secondaryStainless steel 304
      • Designed inUnited States
      • Manufactured inUnited States
      Classification
      • BIMobject CategoryHVAC - Dust Collection
      • IFC classificationDuct Fitting
      • ETIM CodeEG015540
      • ETIM NameFittings, flanges and connectors
      • Uniclass 2015 CodePr_65_65_25
      • Uniclass 2015 DescriptionDuctwork and fittings
      • CSI MasterFormat 2014 Code23 31 13.19
      • CSI MasterFormat 2014 TitleMetal Duct Fittings
      • OmniClass Number23-33 49 00
      • OmniClass TitleHVAC Ductwork

      Region availability

      North America
      Belize
      Bermuda
      British Virgin Islands
      Canada
      Collectivity of Saint Martin
      Costa Rica
      Mexico
      Panama
      Puerto Rico
      United States