Illinois Society of Architects · Chicago · leaf 555
. ft. 5600 sq. ft. pipe,pipe,pipe,pipe,pipe,pipe,pipe,pipe,pipe,6 pipe, Sizes of Risers. % pipe, 0 sq. ft. to 70 sq. ft. I pipe, 71 sq. ft. to 120 sq. ft. 114 pipe, 121 sq. ft. to 180 sq. ft. iy2 pipe, 181 sq. ft. to 250 sq. ft. Sizes of Valves. % valve, 0 sq. ft. to 60 sq. ft. % valve, 61 sq. ft.… … A Twinfan industrial installation showing how Unit may be bracketed on the wall. i fed Twinfan of Boor stand type for large industrialinstallations. NOW AVAILABLE for EVERY TYPE and SIZEof BUILDING Made in sizes varying from 200 to 3800 squarefeet of equivalent direct radiation. TWINFAN UNIT HEATERS
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
