Galvanized Spiral Duct Flange Hole Punching Machine Flanged Ductwork
Pittsburgh on longitudinal Website: Instagram: LinkedIn: #durodyne #quadcleatplus #tdc #ductwork #jobsite #miami #florida TDC Flange Air duct production process#hvac #lock #ductmachine #airduct #formingmachine #processing I also want to add that you want to clamp the duct absolutely flush to the flange and make tacks about 1” apart all the way around. Then weld 6” Ductmate J Flange is made into a frame and two legs hammered over the duct wall We manufacture flanged ductwork from 3" to 40" and beyond. We also provide duct with flanges (also called angle rings or angle flanges) in black iron, ...