Dampers & Blastgates
Round Volume Damper
ATS Part Type #61 & #62

Round Multi-Blade Damper
ATS Part Type #64

Round Blastgate in 1’ [300mm] Duct
For 2” to 44” [50mm-1100mm] Ø
ATS Part Type #66
![Round Dampers_Blastgates - Round Blastgate in 1’ [300mm] Duct Round Blastgate in 1’ [300mm] Duct](https://atsduct.com/wp-content/uploads/2026/04/Round-Dampers_Blastgates-Round-Blastgate-in-1-300mm-Duct-1024x727.jpg)
Round Blastgate, Crank Style
For >=48” [>=1200mm] Ø
ATS Part Type #67

Round Isolation (Close-off) Damper
ATS Part Type #69

