A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. The 660 pagebook includes expanded tables for stainless steel and aluminum, expanded tables for duct sizes up to 96 inches in diameter, plus class 5 systems handling corrosives and spiral lockseam pipe. This manual provides the hvac system designer detailed information on duct design and u. The round industrial duct construction standards, 3rd edition, 20, is available in both book and pdf. Smacna 0162012 hvac air duct leakage test manual, 2nd edition. The following design intent questions must be answered coad, 1980. Smacna hvac duct construction standards metal and flexible, 3rd ed. Comply with ashrae fundamentals handbook and ashrae systems and equipment for design and fabrication of ductwork.
Download smacna hvac system duct design 2006 draft pdf tradl. Air leakage in ductwork rev 02 linx industries, inc. Lowvelocity design will lead to larger duct sizes, but it may be worth since, doubling of duct diameter. In addition to the basic engineering guidelines for the sizing of hvac ductwork systems, the. Hvac duct construction standards metal and flexible. David hill has given a couple of great presentations on duct design at. Smacna technical manuals pmsmca plumbing mechanical sheet. A number of duct fittings are used to illustrate airflow movement variations through a duct system. Ductwork design for laboratories starts by establishing the air distribution systems design intent and objectives.
Contains guidelines for inspection of commercial hvac duct systems for compliance with smacnaansi hvac duct construction standards, metal and flexible, 3rd edition and. Deficiencies in duct design can result in systems that operate incorrectly. Repair torn or damaged vapor barrierjacket with duct tape listed and labeledtostandardul181b. Please ensure your ship to address is able to receive your purchase. Use table d30gen1 local climate information for hvac system sizingdesign. Raw duct is fabricated for proprietary duct connection systems.
Ashrae handbook, fundamentals 20, chapter 21, duct design background it was reported by the associated air balance council aabc tab journal spring 2011 that a major. Wiring harness manufacturing is a sophisticated and challenging business where quality, accuracy, and speed are essential to success. Corporate training by zack academy smacna hvac systems. Designing a duct system is important but there are a few critical steps that come first. Smacna 0162012 hvac air duct leakage test manual, 2nd. Duct cleanliness for new construction guidelines pdf file this guideline is intended to help the commercial duct installation contractor, design engineers and building owners to become more familiar with guidelines to control and reduce contamination during duct installation, and to provide reasonable installation recommendations. Ansismacna 0162012 hvac air duct leakage test manual, 2nd edition. Lowvelocity ductwork design is very important for energy efficiency in air distribution systems. Ductwork should be designed in accordance with the provisions of the ashrae handbook of fundamentals, or the sheet. This course will discuss the basic fundamentals and principles of air conditioning duct design and layout. Includes a new educational chapter for designers and specifiers, to aid in the specification and implementation of duct leakage and testing methods. This standard is intended to provide useful information to the professional service provider psp to establish a basis of design. Ansismacna 0062006 hvac duct construction standards.
Smacna hvac duct systems inspection guide, 3rd edition. Book by sheet metal and air conditioning contractors national association, 2005 view all product details. Smacna cad standard 4201 lafayette center drive chantilly, va 201511209. The fourth edition of hvac systems duct design presents the basic methods and procedures required to design hvac air distribution systems. Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. Ashrae handbook fundamentals volume thermal insulation duct design manual and report on engineering practice no. The fundamentals of duct system design mcgill airflow. Kitchen ventilation systems and food service equipment guidelines, 1st. Smacna hvac systemsduct design, 4th edition december 2006 the fourth edition of hvac systems duct design presents the basic methods and procedures required to design hvac air distribution systems. Iaq guidelines for occupied buildings under construction, 2nd edition 1998 smacna. Double wall perforated duct with sound liner behind is permitted, provided a tedlar or mylar wrap is located between the sound liner and the perforated metal is specified. Also if visitors will get caught uploading multiple ed files, their ip will be permanently banned from using our service.
The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. If you think smacna hvac system duct design 2006 draft pdf file is your intellectual property and shouldnt be listed, please fill in dmca complain and we remove file immediately. Corporate training by zack academy smacna hvac systems duct. Toptimisation ashrae fundamentals operation and capital cost optimisation focused simple. The basic principles of duct design, part 1 energy vanguard. Engineering standards manual std 342 100 chapter 6mechanical section d30 hvac, heating, cooling, hvac distribution, and tab. In addition to the basic engineering guidelines for the sizing of hvac ductwork. Duct design fundamentals static pressure ps measure of the static energy of air flowing air which fills a balloon is a good example of static pressure equally exerted in all directions the atmospheric pressure of air is a static pressure 14. Why should you take this smacna hvac systems duct design part 2 training course. Material thickness astm type duct end treatment galvanized 26 18 gauge a653 g60g90 48, 60, 72 paint grip 24 18 gauge a653 a60 60 pvs 24 18 gauge a653 4 x 1, 4 x 4 60 raw both ends aluminum. Ashrae handbook equipment volume duct construction smacna hvac duct system applications. Smacna round industrial duct construction standards updated.
Corporate headquarters sheet metal connectors, inc. Foreword leakage task force notice to users of this publication table of contents chapter 1 for the design professional chapter 2 overview chapter 3 responsibilities chapter 4 general procedures. Smacna hvac system duct design manual is a guide to designing commercial and light industrial heating, ventilating and air conditioning systems. Offers the hvac system designer and installer detailed information on duct design, materials and construction methods. Contains guidelines for inspection of commercial hvac duct systems for compliance with smacna ansi hvac duct construction standards, metal and flexible, 3rd edition and fibrous glass duct construction standards 7th edition. Ashrae handbook, hvac systems and equipment 2012, chapter 19, duct construction 3. Install duct systems in compliance with nfpa 90a installation of air conditioning and venting systems. The standard contains tables and details for constructing ductwork for. Revised to be in compliance with smacna hvac duct construction standards, 2nd ed.
The types of fittings to be used based on the designers calculations of fitting losses i. Ashrae spc215 takes duct testing to a new level by specifying the methods of duct testing to be used to determine leakage. Code changes for duct system standards you should know. Ordinary heating, ventilating, and air conditioning duct systems read air pressures at 0. Book by sheet metal and air conditioning contractors national. The ashrae fundamentals handbook chapter on duct design and the smacna hvac duct systems design manual contain additional information on evaluating duct leakage. Smacna hvac duct systems inspection guide, 3rd edition 2006. Use table d30gen1 local climate information for hvac system sizing design. Smacna duct design manual hvacr engineering engtips. The prevalence of manual engineering methods in wiring harness manufacturing compounds these challenges, especially as harness complexity increases. Contains guidelines for inspection of commercial hvac duct systems for compliance with smacnaansi hvac duct construction standards, metal and flexible, 3rd edition and fibrous glass duct construction standards 7th edition. Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with. Design guide for heating, ventilating, and air conditioning systems. Is the system to be constant flow, intermittent flow, or variable flow.
Smacna manual smacna sheet metal manual smacna architectural sheet metal manual smacna architectural sheet metal manual 7th edition smacna 14. Highvelocity hv duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. This information presents the basic methods and procedures needed to design hvac air distribution systems. Due to the covid19 pandemic many businesses are closed for deliveries. When applied to airflow in ducts, the flow work or static energy is represented by the static pressure of the air, and the velocity pressure of the air represents the. Smacna round industrial duct construction standards. This has included active participation in technical and standards committees for professional organizations that serve the hvac industry, such as ashrae, astm, amca, and smacna. It is presented in the format of the 1993 ashrae fundamentals handbook, load and energy. More available in the ashrae handbook or smacna obtain other duct fittings pressure losses from manufacturers such as duct heaters, dampers, filters, grilles, coils, etc. Smacna hvac duct design hvac systems duct design december 1, 2006 smacna this manual provides the duct system designer with the technical information required to design a complete air distribution system. Principle of duct design in hvac systems cedengineering.
It features in depth coverage use of extractors, splinters, and dampers. Smacna duct design manual smacna duct design manual. Resin used shall be the hetron 197 for its fire retardant and corrosion resistant properties. Section 233300 air duct accessories for dampers, soundcontrol devices, ductmounting access doors and panels, turning vanes, and flexible ducts. Scheduled for release the beginning of the new year, ashrae spc215 is expected to adopt a tiered approach to testing first test 20% of the ductwork.
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