The motor makes the fan
G.E.C.
MAKE BOTH!
SEC. have devoted 50 years plus, to design, research, development and production of fans and motors. Standard equipment, for example, operates under such widely separated temperatures as -60°F. up to 300°F., and, on application even higher.
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You can ensure better answers to ventilation problems with reliability, good power factor, low power consumption and quiet running if you coll
SEC
AEROFOIL FANS Featuring adjustable pitch impellers contra-rotation staging-high aero- dynamic efficiency-straight through air flow--fits directly into straight ducting takes less space- cheaper to install-available in sizes 21⁄4" to 48′′ dia.
PROPELLER FANS-The most widely used propel- ler fan in the world. Patented silent suspension ensures quiet running-suitable for speed regulation -sizes 71⁄2" to 60" dia.
XPELAIR FANS-Simple to install in window or wall. Exclusive built-in iris shutter eliminates back- draught; extremely compact totally enclosed, long-life motor-attractive_moulded plastic design in cream or black-sizes 6”—71⁄2 "--9".
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ROOF VENTILATORS—Rugged all-welded con- struction high aero-dynamic efficiency guaranteed rated performance-easy access to motor for inspection and maintenance-sizes 9′′ to 60".
AEROFOIL FANS
PROPELLER FANS
XPELAIR FANS
G.E.C.
THE BRITISH GENERAL
ELECTRIC CO., LTD.
2. QUEEN'S BLDG, TEL. 31131
THE HONG KONG & FAR EAST BUILDER
J
VOLUME 14, NUMBER 2
ROOF EXTRACT UNIT
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