Our “L” Frame Backdraft Gravity Dampers were developed by combining precision design features and hardware from our existing louver and standard damper product lines which ensures each unit off the production floor maintains our high standards for quality and performance.
Product Construction Details:
BLADE
Extruded aluminum, 3 in. or 4in. nominal dimension
Material: Aluminum 6063 Treatment: TS
Finish: Mill
FRAME
L-shaped extruded aluminum, 4 in. nominal dimension (3.5in recess)
Material: Aluminum 6063 Treatment: TS
Finish: Mill
BLADE BLOCKS
Polyammide and fiberglass Material: PA6 + GF 20%
Color: Black
WORKING TEMPERATURE
Minimum: -15 °C / 5 °F
Maximum: 70 °C / 158 °F
MAXIMUM WIDTH
54 in. internal opening (IDW)
AIRFLOW DIRECTION: REVERSIBLE
Blade orientation is reversible for desired airflow direction
