Standard lengths of longitudinal seam duct are 5 and 6 feet. See the singlewall and singl ewall lined, round duct and fittings dimensions booklet for the full range of available sizes. Because of their lighter weight, mcgills perforated grilles are easier to install and less expensive to manufacture and ship than conventional rectangular taptype diffusers. Standard mcgill airflow singlewall flat oval duct and fittings are available in the dimensions shown in table 5. Camrol cam follower bearings a century of innovation in 1905 james h. Effective length values for common fittings are listed in appendix 3 of acca manual d rutkowski 2009. Use greenseam snap pipe duct and fittings from grainger to help with your commercial and residential hvac applications. A procedure for predicting pressure loss coefficients of. I think laura gutwillig did the webcast could be totally wrong. A product such as mep 2008 ought to at least have every fitting shown in smacna sheet metal and air conditioning contractors national association hvac systems duct design manual. Handbook of heating, ventilation and air conditioning. The internallylined product incorporates a rigid or semirigid fiberglass insulation with an eparegistered antimicrobial, erosionresistant coating on the airside. With the range of diameter sizes available, the screw clamps are great duct clamps that provide ease, speed, and adjustability when dealing with ducts, hoses, and pipes.
We are the countrys leading manufacturer of commercial and industrial sheet. Currently housed in an 80,000squarefoot facility, we have the capacity for your largest custom jobs whether you are installing hvac ductwork at. Singlewall flat oval spiral duct and fittings construction standards standard fitting construction gauge selection for galvanized steel astm a653, and paint grip steel. Currently housed in an 80,000squarefoot facility, we have the capacity for your largest custom jobs whether you are installing hvac ductwork at a hospital, a highrise, a mall or an office building. Duct fittings ductwork, venting, fittings and caps. The existing design guides for duct systems do not include many of the duct fittings used in hvac. Mcgill airflow corp united mcgill corporation, hvac. For the availability of 6000psig and 0psig, contact your local distributors. United mcgill products ductdfuser family owned and. This doublewall, insulated ductwork is constructed of a solid metal outer pressure shell and a metal inner liner with a layer of insulation sandwiched between. United mcgill corporation was founded in 1951 as a local sheet metal contractor and steel fabricator. Engineered with a leedqualifying zerovoc gasket, this ductwork can eliminate the need for additional sealing along the longitudinal seams and transverse joint. Duct and fittings dimensions mcgill airflow corporation has a complete line of doublewall, insulated round duct and fittings.
United sheet metal, division of united mcgill corp. Fittings shall be beaded unless duct will have an insulation covering or an acoustical liner. Rectangular duct and fittingssinglewall mcgill airflow. Double wall rectangular duct and fittings catalog sheet metal. To increase the energy efficiency of the fans in hvac systems, the pressure loss of the duct network should be minimized, which would require accurate estimation of the pressure loss coefficient of the duct fittings. Product catalogs for commercial hvac systems click the covers below to view the catalog flip book or to download them as pdf files. Our extensive lines of duct system products are engineered for performance and economy and continue to set the standard for the industry. Pipe and fittings are fabricated from g90 galvanized steel sheet meeting astm a924 standards formerly a653. Mcgill distributor or contact mcgill customer service mcgill manufacturing co. The outer wall performs as the pressure shell and will be constructed and sealed according to pressure class. Product guide duct sealants insulation adhesives gaskets and tapes associated products 2400 fairwood avenue columbus, ohio 432072700 6148291200, 18006245535 fax. Ductmate is a proud member of the following organizations. Fittings are manufactured on our state of the art fabrication equipment.
An enterprise of united mcgill corporation family owned and operated since 1951. Mcgill airflow corporations singlewall, rectangular duct and fittings are factory fabricated to furnish you with a highquality line of products in a broad range of. Request for feedback duct fitting content hvac designs often require a multitude of ductwork fittings. Ductmate is proud to celebrate 40 years of granting wishes. Whether a single prototype or production bends, our commitment is to accuracy and quality. The standard pressure ratings for each thread sizes are based on asme b31. All fittings are fabricated with stiffening beads on duct sizes 19 wide and larger which have more than 10 square feet of unbraced panel. Ventilation fittings, air duct systems, ventilation, lindab. We pioneered the manufacture and use of spiral duct and fittings for heating, ventilating, and air conditioning hvac in the usa. They are constructed of a solid sheet metal outer pressure shell and a sheet metal inner liner with a layer of insulation sandwiched between. From golf clubs to window blinds, mcgill tried his hand at a variety of products, eventually developing bearings in the 1920s. Singlewall and singlewall lined, round duct and fittings dimensions mcgill airflow corporation has a complete line of singlewall and singlewall lined, round duct and fittings. Have tried to create my own, but seem to be having some issues with crashes and other errors.
Some standard lengths of uniseal, flat oval duct are only available in 6foot lengths. Sheet metal werks since opening in 1987, sheet metal werks has grown on pace with increasing customer demand. At one time there was a content builder webcast which is no longer available. The products are delivered with a mounted joining profile at the end of every duct and fitting. Fans the fan in the 4inch leakage test kit will operate on 110volt, singlephase, 50 or 60cycle current, or can be ordered for 220volt operation. Mcgill camrol cam follower bearings ahr international. The ecommerce portal allows customers to order spiral duct and unigaskettm and profiled fittings from the companys national network of duct. The program is based on engineering data and procedures outlined in the ashrae fundamentals handbook.
Doublewall duct and fittings mcgill airflows doublewall, round duct and fittings provide exceptional noise and thermal control in airflow applications. Cad blocks and files can be downloaded in the formats dwg, rfa, ipt, f3d. Also precut mouldings and an adequate length of seal moulding are supplied in each delivery. Whether you use the screw clamps as small id hose clamps, or large diameter duct clamps, these stainless steel clamps are a costeffective product that will increase. I am trying to insert some flat oval duct fittings, but they do not seem to exist. Doublewall, insulated duct and fittings mcgill airflow corporations doublewall, insulated duct and fittings provide exceptional noise and thermal control in air handling systems.
Refer to uangyihtech flanges system section for adapters, drains and test port aw end available. Since that time, mcgill has maintained its leading position through the continuous development of new features and improvements to the product line. We are pleased to announce the launch of the all new. As a qualityconscious manufacturer, mcgill airflow continually seeks ways to improve its products to better serve its customers.
Kb duct is a true pioneer in the industrial ductwork market. It is suggested that offset losses be obtained by adding the losses of the individual elbows and duct, which form. Flat oval duct and fittings available size ranges the products depicted in this brochure were current at the time of publication. In 1937, mcgill engineers invented the first needle bearing cam follower. Request for feedback duct fitting content autodesk. Mcgill airflow maintains a record of the calibration chart for all its orifice tubes for up to 10 years. All double wall fittings are fabricated with stiffening beads on duct sizes 19 wide and larger which have more than 10 square feet of unbraced panel. Click to add item boot extension with dimples duct fitting to your list. They are constructed of a solid sheet metal outer pressure shell and a sheet metal inner liner with a layer of insulation in between. Mcgill airflow can fabricate duct, fittings, and assemblies with special welds, finishes, and materials for custom applications. Mcgill airflow offers online ordering of duct products. Developed over four decades, the products and specifications for this industrial line represent extensive.
Mcgill founded what is today mcgill manufacturing company, a key part of emerson power transmission. Today it is a national business specializing in engineering, manufacturing, and field installation of many construction products and industrial systems. Dual wall duct semco dual wall duct and fittings are made with 1 of fiberglass insulation sandwiched between the outer shell and a solid or perforated inner metal liner. This brochure captures some of the ways that mcgill bearings are differentiated to provide more value to our customers. Singlewall, flat oval founded in 1951 duct and fittings.
Dual wall duct is also available in 2, 3, and 4 thickness. Slide 1 hello, my name is ray slaughter and im with the. Air distribution basics and duct design office of energy efficiency. Mcgill airflow industrial duct and fittings products mcgill airflow corporation offers a complete line of products designed and manufactured to meet the special needs of industrial airmaterial handling applications.
Duct system design guide first edition 2003 mcgill airflow corporation mcgill airflow corporation one mission park groveport, ohio 43125 duct system design. Mcgill airflow industrial duct systems products and services. Nominal spiral flat oval duct sizes singlewall flat oval minor axis. The varitrane duct designer duct design program was written to help optimize design while obtaining a minimum pressure system.
Mcgill airseal llc introduces uniwrap plastic for temporary ductwork protection uniwrap is a strong, punctureresistant, polyethylene plastic that is ideal for the temporary protection of the open ends of hvac sheet metal ductwork and other construction materials during transit and job site. Singlewall and singlewall lined, round duct and fittings. Pipe fittings 4 how to order unilok pipe fittings are ordered by part number as shown as below. The fundamentals of duct system design 2003 mcgill airflow corporation 190 east broadway westerville, oh 43081 6148825455, fax. Pipe fittings for high pressure application are available.
We have been serving hvacr contractors throughout the boston and south shore area for over 30 years and will continue to provide the very best products and service available. Each piece is constructed of an inner liner either perforated or solid metal surrounded b y a layer of fiberglass insulation and covered by a solid metal. The total pressure change due to friction, fittings, equipment, and. The success of a design in either flexible duct or rigid. This includes the grinding, polishing, and pacivation of interior welds for material handling purposes or exterior welds for aesthetic purposes. United mcgill is a family owned company with about 150 associates and annual sales of. Smacnas hvac air duct leakage test manual 1985 to verify the intent of the.
Click to add item boot extension with dimples duct fitting to the compare list. Other radii and vaned elbows are available as needed. Model ddfsp induct fittings and assemblies are constructed of 360 perforated duct to provide lowthrow, lowdraft airflow performance. We offer custom tube and pipe bending, as well as forming, flaring, welding and plating in steel, stainless steel, copper. Mcgill airflow corporation is a wholly owned subsidiary of united mcgill corporation. All round spiral duct and fittings shall be manufactured from g90 galvanized steel, conforming to astm and smacna standards. Spiral seal fittings, 448 will have a factory installed gasket that is attached to the fitting with a 180 hemmed end for strength, rigidity and maintaining proper tolerances. Standard mcgill airflow orifice tubes are certified and traceable to nist standards.
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