US Duct Clamp Together Manual Blast Gate, 4" Diameter, 304 Stianless Steel

Machine adapters are made to adapt the duct to a machine. This adapter typically slides over the machine outlet and is affixed to the machine with tech screws or welding.

MADE IN THE USA Nordfab Automatic Blast Gates are operated by compressed air cylinders, controlled by electrically connected solenoid. 120V control circuit and 75psi minimum air pressure. Optional 24V DC or AC control circuits available. Single cylinder: 3? to 8?. Two cylinders: 9? to 22?. Many Benefits of Nordfab's Quick-Fit Ductwork You Can Just Clamp It Together: Nordfab's Quick-Fit ductwork components have a rolled edge on the ends which provides easy connection to other components with use of a barrel-type clamp. A specially designed gasket inside the clamp seals the joint tightly. ...

Hose adapters are used to connect the duct to flex hose. One end of the adapter is typically roll-lip and the other end is a raw endwith an expanded bead knurled onto the adapter end. A worm gear clamp is used to tighten the hose to the adapter and the expanded bead keeps it from sliding off.

Flange adapters are used to switch from flanged duct to clamp together duct. They have flange on one end and a rolled lip on the other end

US Duct's Laser-Welded Clamp Together Ducting (CTD) uses a gasketed, over-center clamp that seals the rolled lip on the end of ALL clamp-fitting ductworkcomponents.It installs in seconds without screws or welding cutting your installation time down by 70% or more. Available in 3" to 24" diameter and ranging from 22 gauge to 10 gauge metal to handle the toughest applications.