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. Ductwork taps shall be conical or clinch collar with 45 degree or boot connections. Disclaimer of warranties a the sheet metal and air conditioning contractors national association smacna provides its product for informational. Cleanliness for ducts detailed in new smacna guidelines. Smacna does not seek to enforce its standards or provide accreditation for compliance. It features in depth coverage use of extractors, splinters, and dampers. This manual provides the hvac system designer detailed information on duct design and u. Offers options methods, materials and construction for solving energy costs and conservation. Exhaust ducts must withstand a negative pressure of 1. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Includes tables, shelves and wall lining details as well as minimum dimension and metal thickness standards for constructing light, medium and heavyduty kitchen equipment that should provide owners with years of trouble free usage.
Ansismacna 0062006 hvac duct construction standards. This american national standard ansismacna 0062006 contains tables and details for constructing ductwork for. Hvac duct construction standards metal and flexible smacna. Test methods for pressure sensitive tapes pressure sensitive tape council. Supports are available in any of the version in revit inbuilt or have to d. 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.
In addition to the basic engineering guidelines for the sizing of hvac ductwork systems, the. Fibrous glass duct construction standards, 7th edition 2002. Our policy towards the use of cookies techstreet, a clarivate analytics brand, uses cookies to improve your online experience. Smacna and maf duct system design reference manual. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. According to smacnas website, the standard expands the scope of the. The aes duct specification shall state that duct construction shall, at minimum, meet smacna duct construction standards the aes duct specification shall state tha. Ifthe faces of flanges are flush, thickconsistency sealant may be used in lieu of gasket. Smacna dcs hvac duct construction standards metal and flexible. Smacna technical manuals pmsmca plumbing mechanical sheet. So unlike rectangular duct, if you follow the smacna standards you will need to. Revised to be in compliance with smacna hvac duct construction standards, 2nd ed. Rectangular industrial duct construction standards smacna. Codes and standards that are standard at the university.
The fourth edition of hvac systems duct design presents the basic methods and procedures required to design hvac air distribution systems. 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 third edition. Standard for safetyfactorymade air duct materials and air duct connectors ul 181 underw riters laboratories, inc. Valuable as a study guide for the hvac duct construction standards manual and for learning inspection procedures in general. Furnish duct listed by ul at flame spread rate of not over 25 and smoke developed rate of not over 50, and complying with nfpa.
Hello everyone, i am new to revit, and working in hvac field. The results of these certified tests which permit the variation are shown on the back page of this manual. Revised design manual for commercial and light industrial hvac systems. Smacnahvac systems testing, adjusting and balancing, 3rd ed. Updated thermoset frp duct construction manual available the second edition of smacnas thermoset frp duct construction manual is now available. Ae duct designs shall, at minimum, be in general compliance with smacna standards. Sheet metal and air conditioning contractors national association. National standards institute, has accredited smacna as a standards setting organization. New are design considerations for free standing stacks under resonant. Use a supply duct rated at a minimum positive working pressure of 112 inches of water. Flat oval spiral ducts offer high efficiency, low noise, external insulation, less. Fibrous glass duct liner standard hereinafter referred to as naima fgdls, or of the sheet metal and air conditioning contractors national association hvac duct construction standards metal and flexible hereinafter referred to as smacna hvac dcs or the manufacturers recommendations. Linx industries ductwork is designed and constructed in accordance with the requirements of this duct construction standard.
Smacna standard ansismacna 006 hvac duct construction standards metal and flexible, 3rd edition, 2005 pdf download. Approved as an american national standard ansismacna 0022011. Fabricate, support, install, and seal in accordance with smacna s hvac duct construction standards, metal and flexible. Jun 26, 2001 a brand new duct system filled with construction dust and debris cannot be expected to operate to clean air standards and can impact performance of the buildings mechanical system. Smacnaansi hvac duct construction standardsmetal and flexible, 3rd ed. With, you can upload files to the internet and share them to users via websites, forums, social networks facebook, twitter, etc. Smacna s technical resources department fields several thousand technical questions annually from architects, engineers, manufacturers and government personnel. Also, both options have been shown, so as to provide this manual as a quick reference to smacna standards. Theauthorityhavingjurisdictionshouldbereferencedtodeterminewhatlaw, ordinanceorcodeshallapplyintheuseofflexibleairductsand. Jan 01, 2004 smacna round duct const round industrial duct construction standards january 1, 20 smacna 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 categories, and as further detailed in the scope of. Ordinary heating, ventilating, and air conditioning duct systems read air pressures at 0.
Smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, from energy recovery to. Smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, from energy recovery to roofing. Earlier this month, smacna announced the availability of the revised round industrial duct construction standards, 3rd edition, 20, an american national standard, ansismacna 00520. It is intended to help commercial duct installation contractors, engineers and building owners towards achieving a clean, fullperformance duct system. Smacnaround industrial duct construction standards at. Guide for free standing steel stack construction, 3rd. Hvac duct construction standards, metal and flexible, 1 st edition, 1985 smacna hvac air duct leakage test manual, 1 st edition, 1985 smacna. The revised round industrial duct construction standard, 3rd edition, 20, is an american national standard, ansi smacna 00520. Smacna standards and manuals address all facets of the sheet metal and hvac industry, from duct construction and installation to indoor air quality, from energy recovery to roofing, from solar energy to welding. The standard contains tables and details for constructing ductwork for. Offers the hvac system designer and installer detailed information on duct design, materials and construction methods.
For additional tightness, place sealant between the angle and duct or seal the weld. Provide balancing dampers at supply, return, and general exhaust branches when connected to larger ducts, as required, for air balancing. Smacna hvac duct construction standards search engineering360. Summary of general isolation room design requirements. It expands the scope of the second edition, updating the duct materials to include aluminized steel, temperature correction factors for round industrial, and minimum decimal thickness for aluminum duct selection. Comply with ashrae fundamentals handbook and ashrae systems and equipment for design and fabrication of ductwork. New in this edition is an engineering and design chapter to provide additional information to design.
The third edition of the hvac duct construction standards metal and flexible is intended primarily for. The 228page book is an authoritative resource that design engineers, industrial engineering departments, pollution control authorities, frp. Provides the performance characteristics for fibrous glass board as determined by the north american insulation manufacturers association naima and underwriters laboratories ul as well as specifications for closures and illustrations of how to construct the full range of fittings. My system is relatively free of obstructions and follows the most efficient layout.
Smacna hvac duct construction standards free download. Flat oval spiral duct for hvac duct systems fabricator fort worth. Fibrous glass duct liner standard hvac duct construction. The types of fittings to be used based on the designer s calculations of fitting losses i. Smacna round industrial duct construction standards updated. Corporate headquarters sheet metal connectors, inc. They were placed on your computer when you launched this website. The smacna hvac system duct design manual provides effects for inlets and outlets of fans. 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. Hvac duct support smacna standard autodesk community.
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