The clward j flange can be used on limited rectangular industrial ductwork. 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. Smacna round and rectangular industrial duct construction standards. Rectangular duct for hvac duct systems fabricator fort. Smacna technical manuals pmsmca plumbing mechanical sheet. There has long been a need for industrial duct construction standards for air pollution control and industrial ventilation systems. Smacna round industrial duct construction standards. Description smacna rectangular industrial duct construction standards.
The 1980 edition of these standards was the first publication dealing with the selection of duct gauge and reinforcement for rectangular industrial duct systems. If you try to open a pdf cd version of the manual on a different computer, you will not be successful. Smacna 1922 rectangular industrial duct construction standards inchpound version ansi 0022011 standard by sheet metal and air conditioning contractors national association, 08012004. This second edition expands the scope of the 1980 version, updating original text to incorporate a revised theory of design, new materials and more user friendly tables. Smacnahvac duct construction standardsmetal and flexible, third edition 2005.
I have used the manual for several ducting projects whether the standard covers your particular construction depends make a. Foreword this third edition of the smacna commercial metal and flexible. 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.
Rectangular industrial duct construction standards smacna. I second the smacna recommendation rectangular industrial duct construction standards dictates material gage and stiffener choices. Dyn oseal ii is an all purpose industrial grade duct sealant for all types of metal. Spiral pipe of texas has a fully capable shop for fabricating all of your rectangular duct needs, in addition to our core products of round and flat oval ducts. These duct construction standards are intended for use by contractors, fabricators and designers of air pollution control, pneumatic conveyance and industrial ventilation systems.
A wide range of materials is available for industrial duct construction. Smacna 19222004 rectangular industrial duct construction. Ordinary heating, ventilating, and air conditioning duct systems read air pressures at 0. Rectangular industrial duct construction standards the second edition of the rectangular industrial duct construction standards 2004 expands the scope of the 1980 version, updating original text to incorporate a revised theory of design, new materials and more user friendly tables. This version of the rectangular industrial duct construction standards, 2nd. Rectangular industrial duct construction standards metric. Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with smacnas hvac duct construction standards metal and flexible and performance requirements and design criteria indicated in duct schedule article. Corporate headquarters sheet metal connectors, inc. The rectangular duct construction standards provide the following options for constructing ducts. Smacnas technical university sells out smacna greater. The second edition of the rectangular industrial duct construction standards expands the scope of the 1980 version, updating original text to incorporate a revised theory of design, new materials and more user friendly tables. Errata, rectangular industrial duct construction standards this technical paper contains errata for the rectangular industrial duct construction standards, second edition 2004.
Fibreglass duct board provides excellent sound attenuation, but its longevity is highly dependent on its closure and fastening systems. Rectangular industrial duct construction standards second. The 2004 edition of the rectangular industrial duct construction standards offers a new approach to the selection of material thickness and reinforcing systems for rectangular industrial duct subject to positive or negative pressures up to and over 100 w. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Rectangular industrial duct construction standards, 2nd. The following tests of rectangular duct sections and transverse joints were conducted in accordance with section vii of the smacna hvac duct construction standards, 2nd ed. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct.
Rectangular duct is the most common form used for hvac. Rectangular duct deflection limits as taken from the smacna hvac duct construction standards, 2nd ed. Rectangular industrial duct construction standards by smacna. Included are new tables for stainless steels and aluminum, plus expanded chapters on materials, welding practices, and a guide specification.
Rectangular industrial duct construction standards inch. Table b compares the cost of a rectangular versus prefabricated grease duct. Rectangular industrial duct construction standards. Smacna 19222004 rectangular industrial duct construction standards inch pound the second edition of the rectangular industrial duct construction standards expands the scope of the 1980 version, updating original text to incorporate a revised theory of design, new materials and more ouser friendlyo tables. Hotrolled steel, galvanized steel, stainless steel, and aluminum are among the more popular materials used. The first thing we cover is hvac duct construction, and we break that into three programs. Design of large ductwork structural engineering general.
Rectangular industrial duct construction standards second edition, 2004 errata note. Adobe acrobatreader and the fileopen security handler plugin is required to view smacna manuals. Smacna 19662005 pdf hvac duct construction standards ansismacna 1966 hvac duct construction standards metal and flexible, 3rd edition smacna 0062006 edition. Our 5foot coil line efficiently makes standard lengths of unlined and lined product to smacna standards, and we fabricate all. To develop minimum standards for the fabrication and installation of metallic rectangular industrial duct systems. Round industrial duct construction standards book, 2nd ed. Smacna 1943 rectangular industrial duct construction. This latest publication is based on the exact same theoretical work and scope of the earlier ip version. This is to be used for return duct subject to negative pressures greater than 4 inches w. Description smacna round industrial duct construction standards. Ind duct cons rectangular industrial duct construction standards.
This edition of the rounded industrial duct construction standards expands the scope of the 1977 version, and updates the original text to incorporate a revised theory of design. Included are new tables for stainless steels and aluminum, plus expanded chapters on materials, welding practices, and. Rectangular industrial duct construction standards, metric. This edition of the rounded industrial duct construction standards expands the scope of the 1977 version, and updates the original text to incorporate a revised theory of design, new materials and more user friendly tables. Smacna 19662005 pdf hvac duct construction standards. Smacnas technical university sells out smacna greater chicago. I have used the manual for several ducting projects whether the standard covers your particular construction depends make a technical inquiry with smacna. Smacna 19432007 rectangular industrial duct construction. Smacna rectangular industrial duct construction standards.
Rectangular industrial duct construction standards, 2nd ed. Rectangular industrial duct construction standards ip. The first four entries on this list only affect the hard copy version of this publication but not the electronic versions cd or downloadable files. Resistance to corrosion and ease of modification are advantages of frp. Smacnas manual, entitled round industrial duct construction standards, includes information on all of these types of materials. Rectangular industrial duct construction standards inch pound smacna on.
Ansismacna 0062006 hvac duct construction standards. Certified copies of these tests are available upon request. It is usually used to form rectangular supply and return trunks. Residential comfort system installation standards manual. Rectangular industrial duct construction standards inch pound. Our standard of fabrication for typical hvac duct is in accordance with the smacna hvac duct construction standard metal and flexible 2005. Rectangular duct 9 3 2 4 1 hr series is protected by intellectual and industrial property rights. Rectangular industrial duct construction standards order no. The primary impact the code changes may have on grease duct selection is cost differentiation. The types of fittings to be used based on the designers calculations of fitting losses i. These standards provide a simple 3step procedure for the selection of material gage, reinforcement systems, and connections based on clearly defined design parameters.
The third edition of the hvac duct construction standards metal and flexible is. The 2004 edition of the rectangular industrial duct construction standards offers a new approach to the selection of material thickness and reinforcing systems for. We can also fabricate in accordance with the smacna rectangular industrial duct construction standards 2004 or custom standards. To develop new, and collect existing, duct construction practices and data to serve as an authoritative source of accepted industrial practices for contractors, design engineers, facility managers, and pollution control. Figure 22 rectangular ductlongitudinal seams hvac duct construction standards metal and flexible third edition. This latest publication is based on the exact same theoretical. Fibreglass duct board is insulated and sealed as part of its construction.
809 770 872 1283 324 1190 1261 1294 501 1268 815 1386 432 704 1250 255 418 518 1299 109 5 1199 146 1145 326 947 1150 865 904 586 715 1120 1401 238 1042 1341 290 1418 1131 190 1485 857