COMBINATION LOUVERS
EBE and EBI louvers feature stationary louver blades and an integral gravity operated backdraft damper to protect openings in exterior walls. The EXA and EXD models feature stationary drainable blades and an integral control damper.
■ AMCA Certified ■ Concealed Motor Models Available
CONCEALED MOTOR OPTION
COMBINATION EXTRUDED ALUMINUM
OPERABLE
COMBINATION
EBE-445
EXA-645
EBI-445
EOD-445-CM EOD-637-CM EOJ-445-CM EOJ-637-CM
EXA-645-CM EXD-437-CM EXD-645-CM
POTTORFF’S CONCEALED MOTOR LOUVERS ARE DESIGNED TO BE USED WHERE ACCESS TO THE ACTUATOR AND HARDWARE NEEDS TO BE CONTROLLED OR RESTRICTED. THE ACTUATOR IS CONCEALED IN THE SILL OF THE LOUVER.
EXD-437 EXD-637 EXTRUDED ALUMINUM EXTRUDED ALUMINUM EXTRUDED ALUMINUM EXTRUDED ALUMINUM EXTRUDED ALUMINUM GALVANNEALED STEEL
EXV-640
EXD-645
THE EXD-637 FEATURES BEST-IN-CLASS FREE-AREA AT 51.3%
BEGINNING POINT OF WATER PENETRATION RATINGS
AMCA CERT.*
BLADE ANGLE
49.4% 7.9 49.4% 7.9 50.4% 8.1 43.0% 6.9 51.3% 8.2 44.4% 7.1 42.7% 6.8 FREE AREA (%) ( sq.ft. )
EBE-445 EBI-445 EXA-645 EXD-437 EXD-637 EXD-645 EXV-640 MODEL
DEPTH
45° 45° 37.5°– 45° 37.5° 37.5° 37.5°– 45° 40°– 45°
J-BD-EXHAUST J-BD-INTAKE COMBINATION COMBINATION COMBINATION COMBINATION COMBINATION
689 689
5,396 5,396 8,756 8,134 10,134
0.10 0.10 0.11 0.17 0.16 0.1 0.30
4" 4" 6" 4" 6" 6" 6"
– – WP/AP/AL WP/AP WP/AP – WP/AP/W
1,085 1,172 1,231 1,050 1,250
7,455 8,563
12
AL Air Leakage
AP Air Performance
WP Water Penetration
*AMCA CERT LEGEND:
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