The ELBD375I Automatic Intake Dual Combination aluminum louver combines a drainable blade louver and an intake backdraft damper in a nominal 9" frame depth. Louver blades are .081" thick extruded aluminum at approximately 4" c-c spacing. Backdraft blades are .025" thick formed aluminum with concealed blade linkage, synthetic bearings and non-metallic blade seals. It features:
Approximately 40% Free Area.
All aluminum construction for low maintenance and high resistance to corrosion.
Operable blades that begin to open at approximately .03" w.g. pressure and are fully open at approximately .10" w.g. pressure.
Maximum recommended intake free area velocity through louver: 550 fpm (168 m/min).
Specifikime teknike
Referencë unikeruskin-008
Familja e produkteveFixed Exterior Louvers and Grilles