The length of duct used for design purposes that includes the. Smacna duct system calculator metric this calculator, complete with detailed instructions, enables hvac system designers to design an average duct system without additional references. Find smacna software downloads at cnet, the most comprehensive source for safe, trusted, and spywarefree downloads on the web. It features in depth coverage use of extractors, splinters, and dampers. Copper or stainless steel is recommended lock and seal all joints, solder joints on slopes less than 3. Mcgill airflow corporation assumes no responsibility for the performance of duct system components installed in the. Fibrous glass insulated hvac duct systems 4 sheet metal ducts with exterior fibrous glass exterior insulation flexible blanket fibrous glass duct wrap insulation is designed for application to the exteriors of commercial and residential sheet metal heating, ventilating, and airconditioning ducts and plenums operating at temperatures between 40. Lowvelocity ductwork design is very important for energy efficiency in air distribution systems. Smacna design smacna smacna oshpod smacna 2005 pdf smacna third edition smacna 1981 pdf smacna handbook smacna 1520 smacna standards smacna insulation smacna manual smacna third edition 2005 smacna round duct smacna duct construction smacna 2005 3rd edition smacna hvac duct construction smacna standard 3rd edition. Our filtering technology ensures that only latest smacna hvac system duct design 2006 draft pdf files are listed. 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. Smacna grants single user permission to download and use. Smacna hvac duct construction standards free download. Sealed nonmetal flexible duct is an average of class 12.
Design2fab is a standalone hypertherm application for those creating hvac duct, mechanical, kitchen, industrial, roofing, or specialty fitting layouts. 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. Cleanliness for ducts detailed in new smacna guidelines. We additionally provide variant types and along with type of the books to browse. The fourth edition of hvac systems duct design presents the basic methods and procedures required to design hvac air distribution systems. Download hvac duct construction tables according to smacna and rule of thumbs pdf.
This american national standard is an updated set of flexible guidelines that shows designers and contractors how to determine the correct restraints for sheet metal ducts, piping and conduit, so that they are more likely to remain attached to the building during an earthquake. 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. Smacna standards table 35 of the smacna duct construction standards smacna industrial duct construction standards smacna duct construction standards for low pressure systems round industrial duct construction standards smacna smacna smacna 2005 pdf smacna handbook smacna design smacna 1981 pdf smacna manual smacna 1520 smacna. 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. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Smacna cad standard second edition v notice to users of this publication 1. No part of this work may be reproduced or used in any form or by any means graphic, electronic, or mechanical, including photocopying. Hvac systems sound and vibration procedural guide, 1st ed. Generally at the time of designing an air conditioning duct system, the required airflow rates are known from load calculations. Hvac duct construction standards metal and flexible, 3rd. Flat seam roofs used in lowno slope areas or areas subject to flooding or standing water typically made from 20 x 28 sheets relative geometry is important fro expansion and contraction, sheet use efficiency, and wind load. The smacna testing and research institute stri completed load tests on three different combinations of strap embedded in concrete. See smacna hvac duct systems design manual table 5.
A spiral duct chapter for class 1 and class 2 air covers design pressures ranging from 30 in. Earlier this month, smacna announced the availability of the revised round industrial duct construction standards, 3rd edition, 20, an american national standard, ansismacna 00520. 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. 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. The sheet metal and air conditioning contractors national association smacna has published the second edition of its rectangular industrial duct construction standards. Corporate headquarters sheet metal connectors, inc. This manual provides the hvac system designer detailed information on duct design and u. Rightsizing of a heating, ventilation, and airconditioning hvac system is the selection of.
Smacna s mission is to provide products, services, and representation to enhance members businesses, markets, and profitability. Hvac duct construction standards metal and flexible rs34. 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. Download smacna hvac system duct design 2006 draft pdf free shared files from downloadjoy and other worlds most popular shared hosts. 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. Duct sizing and construction tables according to smacna. Download hvac ducting principles and fundamentals this course provides a basic overview of hvac ducting system. Duct system design guide first edition 2003 mcgill airflow corporation mcgill airflow corporation one mission park groveport, ohio 43125 duct system design i notice. Consequently, the total pressure or total energy of air flowing in a duct system is generally equal to the sum of the static pressure and the velocity pressure. Download now white paper creating highquality automotive embedded software as the number of automaker recalls due to software issues are increasing and gaining widespread attention, we are striving to enable the automotive industry with the bestinclass software and guidelines to control and improve the architecture and technical quality of. The international training institute iti commissioned. This completely revised publication contains the most comprehensive set of recommended practices available for proper design and installation of customfabricated architectural sheet metal including roof drainage system design for scuppers, gutters and downspouts.
Ductwork taps shall be conical or clinch collar with 45 degree or boot connections. Pdf smacna commercial duct design vuong le academia. Ansismacna 0162012 hvac air duct leakage test manual, 2nd edition. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. Smacna duct construction standards 2005 smacna duct construction standards 2005 right here, we have countless books smacna duct construction standards 2005 and collections to check out. If you try to open a pdf cd version of the manual on a different computer, you will not be successful. Duct value r6 or r8 insulation spiral duct commerical building duct r value duct fabrication formulas duct tape and a tarp smacna round duct smacna duct construction aluminum duct thickness round industrial duct aluminum.
The tables as shown herein are the smacna tables with those interpretations already substituted. The round industrial duct construction standards, 3rd edition, 20, is available in both book and pdf formats. Sgh to evaluate 12 inch wide flat lock seam soldered joints. A number of duct fittings are used to illustrate airflow movement variations through a duct system. Lowvelocity design will lead to larger duct sizes, but it may be worth since, doubling of duct.
Book by sheet metal and air conditioning contractors national association, 2006. In addition to the basic engineering guidelines for the sizing of hvac ductwork. Smacna manual pdf free download freebook descriptions. Smacna 0162012 hvac air duct leakage test manual, 2nd edition. Source book for efficient air duct systems in europe. 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. Disclaimer of warranties a the sheet metal and air conditioning contractors national association smacna provides its product for informational. According to smacnas website, the standard expands the scope of the. Offers options methods, materials and construction for solving energy costs and conservation. Engineered to dramatically reduce the time it takes to develop and lay out flat patterns, design2fab provides you with the ability to create complex custom fitting layouts in minutes, not hours. Adobe acrobatreader and the fileopen security handler plugin is required to view smacna manuals.
Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. Prescribes construction detail alternatives for uncoated and galvanized steel, aluminum and stainless steel ductwork consisting of various sections, transitions, elbows, fittings and accessories. Smacna architectural sheet metal manual, 7th edition figure 31 architects and designers are encouraged to use this invaluable resource to assure that their specifications reflect professionally vetted design. Smacna hvac systems duct 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. Jun 26, 2001 duct systems are becoming a serviceable maintenance item in commercial buildings due to indoor air quality iaq issues, and the proper quantity, size, and location of duct access panels require more definition in new construction design documents. Description download smacna seismic restraint manual comments.
With, you can upload files to the internet and share them to users via websites, forums, social networks facebook, twitter, etc. The fan speed must be set high enough that sufficient pressure is available for all controllers and the planned. Nonexclusive, royaltyfree permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was. The study investigated the inservice cyclical thermal loads that flat seams typically experience, and to test varying levels of dressing extent, joint gaps, voids in solder, edge seam solder. Smacna hvac duct construction smacna duct construction smacna industrial duct construction standards table 35 of the smacna duct construction standards round industrial duct construction standards smacna smacna duct construction standards for low pressure systems smacna round duct hvac duct design hvac systems duct design. Any further use in part or in whole requires permission. Description architectural sheet metal manual, 7th edition 2012 edition. Pdf smacna commercial duct design erick m c academia. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. By conducting joint performance testing as described in section vii of the smacna hvac duct construction standards, 2nd ed. Revised to be in compliance with smacna hvac duct construction standards, 2nd ed. The standard contains tables and details for constructing ductwork for. No part of this work may be reproduced or used in any form or by any means graphic, electronic, or. The table below can be used to compare equivalent diameters for rectangular and round circular ducts, ductwork sizing, friction loss, sheet metal gauges, etc.
The only calculator in the industry to include the 0. Home pdf hvac ducting principles and fundamentals free pdf course. The smacna hvac system duct design manual provides effects for inlets and outlets of fans. Smacna technical manuals pmsmca plumbing mechanical sheet. Accepted industry practice for industrial duct construction, 2nd ed. How clean or dirty a duct system is can be very subjective and difficult to assess or measure. Unsealed flexible duct leakage average is estimated to be class 30. Linx industries ductwork is designed and constructed in accordance with the requirements of this duct construction standard. In addition to the basic engineering guidelines for the sizing of hvac ductwork systems, the manual also provides related information on economics of duct systems, duct system layout, pressure losses, fan selection, duct. Report smacna seismic restraint manual please fill this. Raw duct is fabricated for proprietary duct connection systems. Smacna round industrial duct construction standards updated.
Smacna manual pdf free download freefree smacna pdfhvac duct construction standards metal and flexible rs34. Hvac ducting principles and fundamentals free pdf course. Download smacna hvac system duct design 2006 draft pdf tradl. Total pressure, velocity pressure, and static pressure. Free ductwork tables for sizing and construction of hvac air ducts. 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. Ordinary heating, ventilating, and air conditioning duct systems read air pressures at 0. Smacna standard ansismacna 006 hvac duct construction. Consequently, the total pressure or total energy of air flowing in a duct system is generally equal to the sum of the static pressure and. Smacna duct design manual hvacr engineering engtips.
Pdf smacna seismic restraint manual free download pdf. The normal book, fiction, history, novel, scientific research, as. Highvelocity hv duct systems are characterized by air velocities in the range of 2500 to 3500 fpm. Ansismacna 0062006 hvac duct construction standards. Offers the hvac system designer and installer detailed information on duct design, materials and construction methods. Primarily used for commercial and institutional projects, but applicable for residential and certain industrial work. Principle of duct design in hvac systems cedengineering. Duct sizing and construction tables according to smacna pdf. Duct flow, pipe fluid conveyance, building, industries, building. Revised design manual for commercial and light industrial hvac systems. In addition to the basic engineering guidelines for the sizing of hvac ductwork systems, the. Resin used shall be the hetron 197 for its fire retardant and corrosion resistant properties. The types of fittings to be used based on the designers calculations of fitting losses i. Duct design quick introduction duct sizing tools and methods recommended duct velocities and noise effects.
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