How To Break Sheet Metal Duc

Accuracy is essential in layout work.
How to break sheet metal duc. 4 1 metallic ducts. A cross break in sheet metal is when multiple obtuse bend angles of approximately 170 are made across a flat section thin metal. The crossing ridges stiffen the face of the metal and help prevent is from buckling under a load. Master flow metal pipe is available in a master flow metal pipe is available in a variety of common lengths diameters and gauges to help make your next hvac project a success.
2 820k return air 790 draw bands flex duct elbow 714 damper 090a angle round to oval boot 012 oval stackhead round duct 710r 90. Suburban sheet metal ltd mailing address p o. Kennedale tx 76060 phone 817 478 0801 fax 817 483 6571 page 6 of 43 sheet metal standards duct guage and enforcing for 1 ess drive heavy ga metal gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint. A duct system often begins at an air handler the blowers in the air handler can create substantial vibration and the large area of the duct system would transmit this noise and vibration to the inhabitants of the building.
Galvanized sheet metal ducts from the duct shop s hvac ductwork is manufactured from high quality galvanized steel in 3 foot lengths for easy handling. Cross breaks are most commonly in an x shape forming a slight pyramid shape in the metal without overly distorting it. 1 1 0 layout tools the layout of metal is the procedure of measuring and marking material for cutting drilling or welding. A great majority of metallic ducts is made of galvanized steel.
One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct. This section will describe the uses of the layout and cutting tools and the operation of the forming equipment. Working with sheet metal. In fact sheet metal use in hvac is greater than all other materials combined.
It can be installed with sheet metal screws. Projects sheet metal is used to protect the exterior of buildings by using flashing gutters and at times complete sheet metal roofing systems. Box 739 kennedale tx 76060 physical address 528 s. The steel and aluminum used for ductwork is a high achiever in the 21st century move toward sustainable buildings because of the high recycling rates and cleanliness.