How To Make Sheet Metal Duct Fittings

Insert a 1 2 inch long self tapping sheet metal screw at the location where the two ducts overlap to provide a solid connection. Position it about 10 inches to 12 inches from. The three screws will prevent the two ducts from moving and separating at the new seam.

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Insert two additional screws along the seam with equal spacing between the three screws.

How to make sheet metal duct fittings.

The width of the sheet 4 feet will be the length of the duct when you. In 1986 i use to work at the sheet metal shop where we made all the ducts and fittings almost exclusively by hands. 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. Use your leg a workbench or the ground to support the back side of the pipe.

Identify the procedures associated with joining and installing sheet metal duct. Yes we had a hydraulic guillotine shear sheet metal brakes slip roll machine hand tools and this about it. How to make hvac ducts. This video is for my cfm 320 mechanical systems class.

Identify the different types of sheet metal duct systems. Layout manual for sheet metal duct fitting for the hvac sheet metal industry. In stock and ready to ship. Login or sign up.

Choose from our selection of sheet metal ductwork including standard duct and fittings rectangular duct and fittings and more. Describe procedures utilized in sheet metal development. Assemble the metal ducting like a zipper when assembling pipe start at one end and work the seam together like a zipper. Use one hand to keep the two edges close and the other to apply downward pressure.

Nevertheless we were able to make all kinds of rectangular and round ducts and all types of fittings. It explains the process of making a duct fitting from a raw piece of 24 gauge sheet metal. Toggle menu 707 999 7710 gift certificate. State the safety regulations associated with sheet metal and fiberglass duct.

Place a 4 foot by 8 foot piece of sheet metal on the work table. Identify the different types of fiberglass duct systems. Lay the steel ruler on the metal parallel to the edge of the long side.

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