Supplier: Grainger Industrial Supply
Description: Strap Hanger, Round, Pipe Size (In.) 4 - 50, Rod Size 3/8 In., Max. Load (Lb.) 660, Material of Construction Steel, Length (In.) 2-1/2, Width (In.) 1-5/8, Height (In.) 5/8, Thread Size (In.) 3/8, Strap Sold Separately, Standards SMACNA, Package Quantity 5
- Supports & Clamps: Other / Specialty
- Pipe Size: 4 to 50 inch
- Maximum Load: 660 lbs
Description: This American National Standard, ANSI/SMACNA 016-2012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Contains updates to the expected leakage rates for ductwork constructed to the SMACNA HVAC Duct Construction
Supplier: Advance Cutting Systems, Inc.
Description: The Duct Seam Closer is designed to seam rectangular ducts. The machine is a solid welded steel construction. Increases productivity and can be operated with one person. Includes a 1 year warranty as standard. The DCS roll-forming machine takes HVAC ductwork that has previously been formed
Description: it. When you're bending the duct, be careful not to compress it. Proper Support It's best to follow the manufacturer's instructions on how far apart duct supports can be, but in their absence, SMACNA says supports shouldn't be more that 5 ft. apart. The maximum sag the SMACNA standard calls for is 1/2
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Duct Construction Standards, Metal and Flexible ( SMACNA Standard .