ManualDesigned to regulate airflow, but not intended for use where positive shut-off or automatic control is needed. Features manual hand quadrant that can be locked in place.Balancing Dampers Galvanized Steel Velocity rating: 2000 fpm Pressure rating: 1.0" wg Max. temp.: 180°F

Item: Round Balancing Damper
Type: Manual Single Blade
Damper Dia. (In.): 13-7/8
Frame Depth (In.): 6-3/8
Duct Dia. (In.): 14
Frame Material: Galvanized Steel
Blade (Gauge): 20
Frame (Gauge): 20
Max. Velocity (FPM): 2000
Max. Temp. (F): 180
Bearings: Synthetic (Acetal) Sleeve Type
Actuator: 3/8" Square Manual Locking Quadrant
Pressure Differential Max.: 1.0" WC
For Use In: Low Velocity and Low Differential Pressure Systems
Includes: Locking Manual Quadrant