WebbCONSTRUCTION STANDARDS SHEET METAL AND AIR CONDITIONING CONTRACTORS’ NATIONAL ASSOCIATION, INC. www.smacna.org Inch-Pound Version This is a preview … WebbSMACNA and ASHRAE. A Leakage Class 48 is what one may expect with unsealed rectangular ductwork and is the highest recognized leakage class. ... SMACNA HVAC Duct Construction Standards 4. SMACNA HVAC Systems Duct Design 5. ASHRAE 90.1 6. ASHRAE 2003 HVAC Applications Chapter 17 Sound and Vibration Control .
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Webb1 jan. 2013 · SMACNA ROUND DUCT CONST January 1, 2013 ROUND INDUSTRIAL DUCT CONSTRUCTION STANDARDS The scope of this manual includes the determination of the necessary construction details for the fabrication and installation of round metallic industrial ductwork within the following general... ROUND IND DUCT CONST STDS … WebbUp to 2” W.G. Fittings conform to SMACNA seal Class “C” construction Up to 10” W.G. Fittings conform to SMACNA seal Class “A” construction Fittings conform to SMACNA seal Class “C” construction Gauge Galvanized Steel Stainless Steel (304 or 316) Aluminum 3003-H14 Nominal Thickness (inches) Nominal Weight (lb/sq ft) Nominal pho indy ft wayne menu
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WebbDuctwork Construction and Leakage Testing System Duct Pressure Class ... Notes Round/oval Rectangular Supply Duct Return Exhaust Outside Air Duct Duct Seal Class Leak Class Class Class Class Class Packaged Rooftop - VAV 4 - - - A 3 A 6 - - 4.0 1 - -2 ... SMACNA HVAC Air Duct Leakage Test Manual. 2. No ... WebbSeveral chapters offer a standardized, engineering basis for design and construction of industrial duct of Class 1 to Class 5 air. A spiral duct chapter for Class 1 and Class 2 air covers design pressures ranging from 30 in. wg negative to 50 in. wg positive, plus carbon and galvanized steel tables. Webbwork in greater harmony with all members of the construction project team and avoid some of the pitfalls that can surprise even the experienced CAD user. SMACNA Master Index of Technical Publications (PDF file) The Master Index provides contractors, design professionals, and code officials with a centralized resource of SMACNA technical … how do you build a house in sims four