Dual Wall Round Volume Control Damper
Designed for insulated spiral duct.
Notable Features
Double Wall
Volume Control Damper
Minimum Diameter: 4"
Maximum Diameter: 36"
Frame Depth: 5½"
Frame Type: Dual Wall; Round
Frame Material:        20 Ga. - 16 Ga. Galvanized Steel
Blade Type: Single Blade
Blade Material:         20 Ga. - 16 Ga. Galvanized Steel
Blade Action: Single Blade
Blade Seal: None
Shaft: ½" & ¾" Diameter
Bearing: Swaged Holes
Operating Conditions: 3000 FPM
Controller: Q-37 Hand Quadrant
Finish: Factory Mill

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In order to facilitate the commercialization process, we can provide logistical assistance as required to manage the cargo while it is in transit from the factory to the job site.
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