The research also led to the development of the smacna hvac air duct leakage test manual 1st edition. The results of these certified tests which permit the variation are shown on the back page of this manual. The standard contains tables and details for constructing ductwork for 12 to 10 wg positive and negative pressures. Click on the logo at left to download a free adobe acrobat reader. This updated 3rd edition of hvac duct construction standards has been specially written for professionals working in commercial and institutional duct construction. Disclaimer of warranties a the sheet metal and air conditioning contractors national association smacna provides its product for informational. Smacna testing and research institute verified that sheet metal connectors, inc. Duct construction standard metal and flexible 2nd edition 1995, and the current smacna duct construction standard hvac duct construction standards. Smacna duct cleanliness for new construction guidelines 2007 smacna. The types of fittings to be used based on the designers calculations of fitting losses i. Dec 5, 2018 download hvac duct construction tables according to smacna pdf free ductwork tables for sizing and construction of air ducts.
Smacna standard ansismacna 006 hvac duct construction. A wide range of materials is available for industrial duct construction. Smacna smacna design smacna handbook smacna insulation smacna third edition smacna 2005 pdf smacna manual smacna oshpod smacna 1981 pdf smacna 1520 smacna standards smacna duct construction smacna round duct smacna third edition 2005 smacna 2005 3rd edition smacna standard 3rd edition. By conducting joint performance testing as described in section vii of the smacna hvac duct construction standards, 2nd ed. Smacna hvac duct construction standardsmetal and flexible, third edition 2005. Codes and standards that are standard at the university. Smacnas new app for its flagship manual hvac duct construction.
Hvac duct construction standards metal and flexible smacna. Smacnahvac duct construction standardsmetal and flexible, third edition 2005. Smacna hvac duct construction standards construction book. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. Nonexclusive, royaltyfree permission is granted to government and private sector. Hvac air duct leakage test manual, sections 3 and 5. Hvac training what is smacna standards for ducting. Download hvac duct construction tables according to smacna. The third edition of the hvac duct construction standards u metal and flexible is intended primarily for commercial and institutional duct construction. With reference to smacna duct construction standard, in page 20 of appendix a under the heading. Hvac duct construction standards metal and flexible third edition iii foreword this third edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. How to use duct sizing with cfm and friction loss table 2017 how to use duration.
This american national standard ansismacna 006 contains tables and details for constructing ductwork for. The standard contains tables and details for constructing ductwork for. More than a historical look at custom architectural sheet metal, this publication contains a graphic collection of system designs, including pattern layouts representing the old world practices in the industry that have been developed over generations and proven over decades of use. Hvac duct construction standards march, 2010 presented by.
Sheet metal and air conditioning contractors national association subject. Mar 16, 2020 free smacna manual pdf nonexclusive, royalty free permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was. Smacna s hvac duct construction standards metal and flexible. Also covers details for connections to equipment and air terminals, hanger schedules, reinforcement requirements, fabrication of rectangular duct and fittings, closures of seams and joints, channel and tie rod reinforcements, plus hangers and supports. This american national standard ansismacna 0062006 contains tables and details for constructing ductwork for. Repair leaks and repeat tests until total leakage is less than 1% of system design airflow when the system is pressurized to the design duct pressure class rating. Guide for free standing steel stack construction 2011 smacna. The table below can be used to compare equivalent diameters for rectangular and round circular ducts, ductwork sizing, friction loss, sheet metal gauges, etc. Smacna is the sheet metal and air conditioning contractors national association. As per smacna the gauges of ducting sheet varies and depends upon the width of the duct and type of application of a particular project.
Hvac duct construction standards metal and flexible, 3rd. The standard contains tables and details for constructing ductwork for o to 10o wg positive and negative pressures. Figure 2 in hvac dcs use standard tables for sizes duct over 120. If the designer does not designate pressure class for duct construction on the contract drawings, the basis of compliance with the smacna hvac duct construction standards is as follows. Smacnas hvac duct construction standards metal and flexible. Smacna sheet metal and air conditioning contractors. A quick overview of the changes is provided in the front of this manual. Dec 05, 2017 how to use duct sizing with cfm and friction loss table 2017 how to use duration. The informative reference contains tables and details for constructing ductwork for up to 10 wg positive and negative pressures.
The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Smacna duct construction standards search engineering360. Pressure class what are the help interpreting smacna duct construction standard hvacr engineering engtips. Metal and flexible 2nd edition 1995, and the current smacna duct construction standard hvac duct construction standards. As an ansiaccredited standards developing organization, smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to. As an ansiaccredited standards developing organization, smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, energy recovery and roofing. Hvac duct construction standards metal and flexible, 3rd edition. Comply with smacna s hvac duct construction standards metal and flexible, chapter 3, round, oval, and flexible duct, based on indicated staticpressure class unless otherwise indicated. Also, both options have been shown, so as to provide this manual as a quick reference to smacna standards. End of standard design and construction standards, revised november 2007 5. Ansismacna 0062006 hvac duct construction standards.
Smacna duct construction standards download smacna standards for duct construction,metal and flexible for hvac systems. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations. Smacnas 3rd edition, 2005, hvac duct construction standards metal and. Hotrolled steel, galvanized steel, stainless steel, and aluminum are among the more popular materials used. Hvac duct construction standards metal and flexible, 3rd edition 2006 smacna. Close cell neoprene gasket neoprene 14 x 12 50 rolls 1500 per box ez flange jr. An abrasive blade will melt the mastic and leave a burr.
Duct sizing and construction tables according to smacna pdf. Smacna hvac duct construction app this app will provide smacna compliant options for rectangular duct with dimensions from 1 inch to 120 inches for applications from negative to. Feb 05, 2018 hvac drafting part 3 duct construction standard. Smacna cad standard second edition v notice to users of this publication 1. Air duct leakage hvac 2011 technical paper pdf file smacna published the hvac air duct leakage test manual in conjunction with the smacna hvac duct construction standards. Smacnas manual, entitled round industrial duct construction standards, includes information on all of these types of materials. We recommend users of early versions of internet explorer to update to version 11 or later. Download hvac duct construction tables according to smacna and rule of thumbs pdf. Smacna expresses appreciation to the many who have offered suggestions for constructive. Fabricate, support, install, and seal in accordance with smacnas hvac duct construction standards, metal and flexible. Smacna hvac duct construction standards construction. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Smacna 2005 3rd edition smacna third edition 2005 smacna standard 3rd edition.
Technical, safety and business publications from sheet metal and air conditioning contractors national association smacna. Free ductwork tables for sizing and construction of hvac air ducts. The research also led to the development of the smacna hvac air duct leakage test manual 1st edition 1985 and the leakage class, followed by the smacna hvac air duct leakage test. Help interpreting smacna duct construction standard. Comply with ashrae fundamentals handbook and ashrae systems and equipment for design and fabrication of ductwork. Figure 2 in hvac dcs use standard tables for sizes metal and flexible is intended primarily for commercial and institutional duct construction.
274 110 1188 734 601 1360 1204 1419 1163 661 462 557 1398 1416 237 1322 939 1603 783 1625 907 1016 1560 247 1311 579 1024 628 23 1508 1178 394 229 1638 1541 1192 982 1152 436 420 908 870 455 66 968