patio umbrellas
dayton 5nkk7 volumn control motorized damper 100 240v
volume control motorized damper for fan dia . n a voltage 100 to 240 50 60 hz overall square 41 3 4 in . sq. opening required 42 in . frame less flange 39 3 4 sq. in . free area 10.490 sq. ft. motor bracket extension 11 1 2 in . flange width 1 2 in . extruded aluminum mounting position horizontal or vertical number of panels 1 power open spring return for use with duct work in volume control intake or exhaust applications br b features b ul li flange width in . 1 2 li li for use with duct work in volume control intake or exhaust applications li li frame less flange sq. in . 39 3 4 li li free area square ft. 10.49 li li item volume control motorized damper li li material extruded aluminum li li motor bracket extension in . 11 1 2 li li overall square in . 41 3 4 li li phase 1 li li sq. opening required in . 42 li li type single panel power open spring return li li hz 50 60 li li mounting position horizontal or vertical li li operation power open spring return li li voltage 100 to 240 li li construction material extruded aluminum frame and blades li li max . velocity fpm 3500 li li number of panels 1 li li flange width 1 2 li li free area 10.490 sq. ft. li li overall square 41 3 4 li li for fan dia . n a li li frame less flange 39 3 4 sq. in . li li motor bracket extension 11 1 2 li li sq. opening required 42 li ul