Choosing industrial ductwork shouldn’t come down to the price per foot of straight pipe. While spiral pipe may offer a lower initial material cost, US Duct and US Tubing are designed as complete systems that provide advantages in installation speed, durability, adjustability, sealing, and long-term value. This article compares spiral pipe with US Duct and US Tubing, highlighting key differences in construction, connections, leakage performance, field installation, and lifecycle costs. US Duct offers a strong, modular, adjustable solution for dust collection, most fume applications, and industrial air movement, while US Tubing provides a guaranteed leak-free connection for applications where air or fluid cannot escape. With clamp-together installation that can reduce installation time by approximately 70%, plus components that can be disassembled, modified, and reused, US Duct and US Tubing can deliver value well beyond the initial material price. The right choice ultimately depends on the system’s specific requirements for strength, sealing, installation speed, adjustability, and long-term flexibility.
Full Cut-Offs
Details
Full Cut-Off Gates let you balance your system and direct airflow exactly where it's needed. The blade slides smoothly in and out of the air stream to fully cut off the air or partially throttle a duct, and a locking thumb screw holds it in any position from wide open to fully closed. It's the simple way to fine-tune suction across individual drops.
Durable cast-aluminum body with rolled-lip ends that connect to Quick Clamp Clamp-Together Duct (CTD) using quick-fit clamps and O-rings.
Features
- Rolled-lip ends connect to Quick Clamp Clamp-Together Duct (CTD)
- Tool-free connection for fast install and removal
- Cast-aluminum body. Galvanzied steel blade.
- Locking thumb screw holds the gate in any position
- Blade smoothly slides to open, throttle, or fully close airflow
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 bag houses for even more ways to optimize your workspace.


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