Sheet Metal Duct Fabrication Instructions

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Sheet metal duct fabrication instructions.

Reference manual for labor units for sheet metal and hvac jul 25 2019. Describe the tools and equipment associated with fabrication. In most installations the main trunk line is routed through the center of the home either in the basement or the attic. Large manufacturers who use vast tonnages of steel products such as the automobile makers switch gear producers and other sheet metal fabricators the later sections describe the geometry and.

Login or sign up. Kennedale tx 76060 phone 817 478 0801 fax 817 483 6571 page 5 of 43 sheet metal standards duct guage and enforcing for 1 ess drive gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint joint. Fittings and accessories are listed separately as are reinforcements tie rods and hangers. Identify the procedures associated with joining and installing sheet metal duct.

When a necessary turn in the main trunk line is required a short way or long way elbow may be used. Identify the different types of fiberglass duct systems. Identify the different types of sheet metal duct systems. Sheet metal duct fabrication instructions layout manual for sheet metal duct fitting for the hvac sheet metal industry.

E fasten the duct to the floor joists using metal hangers or other appropriate fasteners. It is a new american national standard. Duct materials of all common types are covered separately for fabrication and installation rates by lb hr or hour per piece. Box 739 kennedale tx 76060 physical address 528 s.

Smacna s first edition of the phenolic duct construction standard provides basic phenolic duct fabrication and installation standards that sheet metal contractors code officials and design engineers will find useful. Read chapter 4 sheet metal textbook straight duct consult with instructor. 28 galvanized sheet metal cut 21 1 4 x 8 learning materials. This yard shop takes us into the world of custom metal duct work.

Cut a hole into the center bottom of the fiber glass duct 3 equal in diameter to the round sheet metal duct 2. News introducing smacna s round industrial duct construction app. The round sheet metal duct of equal gauge 2 with 1 25 mm dovetail or tabs is inserted through the hole and secured with dovetail tabs. Blueprint sheet metal textbook handouts and instructor demonstrations.

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