How To Make Sheet Metal Duct Fittings

This video is for my cfm 320 mechanical systems class.

How to make sheet metal duct fittings.

Identify the different types of sheet metal duct systems. Place a 4 foot by 8 foot piece of sheet metal on the work table. Insert two additional screws along the seam with equal spacing between the three screws. In 1986 i use to work at the sheet metal shop where we made all the ducts and fittings almost exclusively by hands.

Describe procedures utilized in sheet metal development. Flex duct elbow 714 damper 090a angle round to oval boot 012 oval stackhead round duct 710r 90 angle register boot 708r straight register boot 701 offset collar 776 scotty 265 floor inlet 809 regular stackhead 720 wall stack 701 stack side take off 816 1 2 joist panning 726 transition 729 flat elbow 809 stackhead 799 end cap 750r center end. Yes we had a hydraulic guillotine shear sheet metal brakes slip roll machine hand tools and this about it. Layout manual for sheet metal duct fitting for the hvac sheet metal industry.

Position it about 10 inches to 12 inches from. Lay the steel ruler on the metal parallel to the edge of the long side. Identify the procedures associated with joining and installing sheet metal duct. Insert a 1 2 inch long self tapping sheet metal screw at the location where the two ducts overlap to provide a solid connection.

Login or sign up. In stock and ready to ship. Use your leg a workbench or the ground to support the back side of the pipe. Use one hand to keep the two edges close and the other to apply downward pressure.

How to make hvac ducts. The three screws will prevent the two ducts from moving and separating at the new seam. Assemble the metal ducting like a zipper when assembling pipe start at one end and work the seam together like a zipper. Toggle menu 707 999 7710 gift certificate.

Choose from our selection of sheet metal ductwork including standard duct and fittings rectangular duct and fittings and more. State the safety regulations associated with sheet metal and fiberglass duct. It explains the process of making a duct fitting from a raw piece of 24 gauge sheet metal.