Document 4vXoJJj35qpOyJ3RQYQoxvD9a

/. Air System Equipment j*bKJJi#w*" The Torrington Manufacturing Co. 50 Franklin Street, Torrington, Conn. Western Division: Van Noys, Calieohnia. In Canada: TMCo., Ltd., Oakville, Ontario Manufacturers of Blower Wheels and Propeller Type Fan Blades. t-Blade Airistocrat Fan "E" Series "E" Series AIRISTOCRAT Fan Blades--Outstandingly high efficiency is the chief characteristic of this truly nets fan blade. It delivers more air for any given horsepower. Size for size it looks bigger, more powerful. In impartial tests, ten competitive fan blades were recently compared with "E" Series blades of the proper diameter and pitch. In every case, air delivery was sharply increased. Within the same space limitations and with the same power, the "E" blade delivered as'much as 28 per cent more air. This high efficiency is the result of four years of research and development which from the beginning was devoted to bringing out a superior fan blade. Convincing proof of the superior per formance of this new fan may be found in the NEMA and NAFM tables prepared as a guide to selection. The catalog con taining these tables and specifications will be mailed upon request. i-Blade Airistocrat Attic Fan "Af" Series Specifications: Three-blade models in 10 in., 12, 14, 16, 18 and 20 in. diameters; four-blade models 8 in., 10,12,14,16,18, 20,22 and 24 in. diameters. Five pitches in most sizes. Aluminum blades, steel spider and hub. Standard finishes. **Stinger Rings" for Assembled Fans AIRISTOCRAT "M" Series Attic Fan Blades--Three outstanding features of this new design are: (1) Extremely high efficiency, which gives maximum cfm per horsepower; (2) knockdown construction which drastically lowers shipping costs; (3) quiet operation--a point of major interest to the consumer. This all steel four-blade fan is manu factured for attic use exclusively, in 24, 30,36,42 and 48 in. diameters, in 40 deg pitch only. 1298 The Torrington Mfg. Co. Air System Equipment Fans and Blower* ' Blower Wheels "Slinger Rings" for Assembled Fans-- A rolled ring, L-shaped in cross:section, with solidly welded joint. Designed to adapt all' popular sizes of assembled Airistocrat fan blades for Application as condenser fans on room air conditioners. Design allows considerable flexibility as to diameter, location of ring on periphery of blade, etc., without expensive tooling. New "LIT" Series One-Piece Aibisto- cbat Fan Blades--An extremely quiet and very efficient one-piece fan designed especially for refrigeration and air con ditioning applications. This quality product is hand-set to assure accurate forming and alignment. Made of alumi num, pierced for all unit-bearing motors. Sizes: 7%, and 10 in. diameters. "One-Piece" Airistocrat Fan Blades-- Exceptionally rigid models blanked from one piece of metal. Made in both steel and aluminum. Sizes 3 in., 4, 4)4, 5, 5'A, 6, 6)4, 8, 9, 10, 12 and 16 in. diam eters, all four blades; also 5)4, 7, 8, 9, 10 in. 6-blade. Available in the follow ing finishes: 1. Plain. 2. Lacquered. 3. Zinc plated (steel only). Torrington Airotor Blower Wheels are. light, sturdy and inexpensive--incor porate new principles of design and con struction, which insure rigidity and con centricity. Single Width--Single Inlet wheel is of simple four-piece construc tion. No rivets or welds are used; concentric rib serving as backing for blade strip is formed at same time as hub socket, insuring trueness of wheel. Rigid radial ribs prevent deflection by thrust. Three thicknesses of metal in rims make for maximum strength. Excellent for many heating and venti lating uses. Manufactured in both aluminum and steel in 1)4 in., 2,3,3%, 4, 4)4,5,6, 7, 7)4, 8}4, 9 and 10)4 in. diame ters. Clockwise or counterclockwise rota tion. Same sizes available in DA type double width, double inlet wheels. "One Piece" Airistocrat Fan Airotor Blower Wheel--Stnplf Width--Single Inlet Patents t^tSt,06l; Dee. 08,0+3 Torrington Airotor Blower Wheel-- Double Inlet--Spider End Plates. Has blades punched and formed in a single strip, rigidly held by flanged single piece end rings. Hubs are rigidly mounted by peening. Wheels of 2H in., 3% in., 7J^ and 10H in. diameter are available at present. Additional sizes now being developed. A irotor Blower Wheel Double Inlet--Spider End Plates 1299