ELBD375E Automatic Exhaust Dual Combination Aluminum Louver

The ELBD375E Automatic Exhaust Dual Combination aluminum louver combines a drainable blade louver and an exhaust backdraft damper in a nominal 6” 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 45% 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 exhaust free area velocity through louver: 1,500 fpm (457 m/min).

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