Ductwork Exhaust and Roof Penetration Components
different kinds of gates
different kinds of BUTTERFLY gates
Benefits
Leak Free?
Available in Auto
Fully Fabricated
Half Cut Off Option
Available fully in SS
Limit Switch Option
Sizes Available
3"-24"
Mini Leak Gate
*across the blade
3"-8"
*to the atmosphere
3"-24"
3"-38"
3”-32”
Available fully in SS
Great for use high up in the air
Available w/ half moon stops and gaskets & Oil Light Bushings (adder)
Safe for systems with particles going through the duct
Locking Quadrant
Limit Switch available (adder)
Reed Switch Available (adder)
Sizes Available
3"-54"
AUTO BUTTERFLY
3"-54"
WEIGHTED BUTTERFLY
3"-54"
CHAIN OPERATED BUTTERFLY
3"-54"
Wondering which gate/butterfly gates fits best for your needs? Talk to your Duct guy at (336)-904-0112
RECLAIM YOUR TIME
Woodworkers and shop employees can spend 30 min/day, 2.5 hours/week, 180 hours/year JUST on changing out bags from your open baghouse waste collector. Why spend all that time and money changing out bags when you can be making more money? That's where our baghouse comes in.
WASTE MANAGEMENT Solutions Tailored for Small TO LARGE Shops
At US Duct, we understand ALL owner's time constraints in managing a shop. Whether you run a woodshop, metal fabrication shop, or manufacturing facility, we offer high-quality, cost-effective solutions designed to fit your space, improve your workflow, and grow your business.


Why Small Shops Choose US Duct
We’re not just a supplier, but your trusted partner for ductwork solutions that grow with your shop. Small shop owners choose US Duct because we deliver:
Personalized Solutions: Every duct system is tailored to your needs.
Fast Turnaround Times: Get your system quickly and reduce downtime.
Expert Advice: Our team is here to guide you every step of the way.
Products in this collection
No Loss StackHead
No-Loss Stackheads reduce fan resistance, save energy, and protect exhaust fans from rain. Designed for efficient drainage, they ensure optimal airflow and durability.
Rain Caps
Prevent the intrusion of rain into the exhaust of your ductwork system with a rain cap. Our rain caps will stop the negative effects of water on your system. Water can contribute to the corrosion of components, especially fan and electrical elements. Learn more here!
Flap Exhaust Valves (Flap Stacks)
Flap Exhaust Valves (butterfly or gate), or Winged Stacks, open with airflow and close when idle, minimizing resistance and protecting ducts from rain. Available in 4"-32" diameters.
Vibration Dampener
Vibration dampeners reduce vibration transfer in duct systems, protecting machinery and minimizing noise. Features EDPM membrane and gauges for any application.
Silencers
Air Duct Noise Silencers reduce turbulence noise in ductwork, improving workplace comfort and minimizing disturbances. Also known as duct mufflers or sound attenuators.
Legend Standing Fume Arm
Quickly remove fumes from any sized space with our standing, articulated fume arm. The continuous 360-degree rotating arm is ideal for capturing fumes from welding and other fume-emitting processes.
Our Promise
To you
Our commitment is to your success. We believe in building lasting partnerships where your growth fuels ours. We're here to support your business with the best in ductwork solutions,helping you achieve more every step of the way.

Talk to a Duct Guy or Gal
Get started on a solution tailored to your needs, or explore our range of inline separators, self-dumping hoppers, and baghouses for even more ways to optimize your workspace.