This American National Standard (ANSI/SMACNA 006-2006) contains tables and details for constructing ductwork for ½” to 10″ wg positive and negative pressures. DISCLAIMER OF WARRANTIES a) The Sheet Metal and Air Conditioning Contractor’s National Association (“SMACNA”) provides its product for informational not evaluate or grade them. However, SMACNA does encourage the development and use ofnew technology and it invites authorities to consider alternative constructions. round duct & fittings - umc standards. Ducts on Demand. 06/17 The types of fittings to be used based on the designer's calculations of fitting round damper with standoff. Elbows 14” through 30” shall be gore-locked construction. DUCT SIZE DUCT GAUGE JOINT LENGTH WIDE SIDE CONNECTOR NARROW SIDE CONNECTOR 0 - 12" 26 59" FLAT SLIP T-6 24 GA FLAT DRIVE T-1 24 GA 13 - 18" 26 59" STANDING SLIP T-11 26 GA FLAT DRIVE T-1 24 GA 19 - … TDC Connection. Information Required for Duct Construction. We do business in Nebraska, Kansas, Missouri, and Iowa. or Neg.
All fittings fabricated per SMACNA Standards for round and flat-oval ductwork, material to match straight pieces of ductwork. All elbows above 32” shall also be gored, round duct & fittings - smacna standards. For most low and medium pressure jobs, Duct Slip and Drive connections meet SMACNA standards Slip and Drive Duct is the most common type of rectangular ductwork. 5580 W. Mill Rd Raymond, Nebraska, 68428 402-783-2050. credit card authorization form. Provide Flexmaster STO side takeoff fittings or Ductmate HETO take off fittings at duct mains for round duct takeoffs. TDF Transverse Joints Fabricated in accordance with the 1995 SMACNA HVAC Duct Construction Standards Duct Dimension 0" - 26" 27" - 36" 56" 20 56" 24 56" 22 56" 22 56" 22 Spiral Pipe of Texas Fort Worth, Texas ph: 817.877.3543 www.spotUSA.com rev. Pressure Class what … Even the largest Duct fab shops will tell you that Slip and Drive duct accounts for a greater percentage than the TDC/F and Ductmate … SMACNA - Sheet Metal and Air Conditioning Contractors National Association P.O. Based on 2005 SMACNA Standards. Order No. SMACNA-HVAC Duct Construction Standards-Metal and Flexible, Third Edition 2005. spiral pipe. galvanized steel, conforming to ASTM and SMACNA standards. 4. download order form; ductwork order form. Authorities may evaluate alternatives using analyses and tests such as those described in Sec- tion VII of the standards or using other means they deem appropriate. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Elbows through 12” shall be die formed, with stitch welded joints. Other radii and vaned elbows are available as needed. hanger strap. With reference to SMACNA Duct Construction Standard, in page 20 of Appendix A under the heading: 'Sample Shop Standards for 2" W.G. Round Ductwork Fittings: a. rectangular balancing damper. Standard elbows will have 1.5 centerline radius. round duct & fittings - cmc standards. 1966 3 rd edition, 2005, 396 pages: The third edition of the HVAC Duct Construction Standards • Metal and Flexible is intended primarily for commercial and institutional duct construction. 1. SMACNA CAD Standard Second Edition v NOTICE TO USERS OF THIS PUBLICATION 1. Recommended Clip Spacing. 3" WG Rectangular Duct Standards Pos. Straight Duct *All measurements listed here are approximations used to aid in our order form process. Ductmate Industries, or equal. STANDARDS METAL AND FLEXIBLE. Box 221230, Chantilly, VA 22022-1230 • HVAC Duct Construction Standards - Metal and Flexible, Second Edition, 1995 • HVAC Systems Duct Design, Third Edition, 1990 • Ducted Electric Heater Guide for Air Handling Systems, Second Edition, 1994 2. vendor specs jiffy damper.