Document 6woqxDo18egk1qmp69KrM2qJR

, 144 Air System AMERICAN COOLAIR CORPORATION P. O. BOX 2300 - 3604 MAYFLOWER STREET JACKSONVILLE 3, FLORIDA Manufacturers of Quality Ventilating Equipment since 1928 Charter Member Air Moving and Conditioning Association, Inc. Propeller Fans from 10" to 108* Wall Shutters, Power Roof Ventilators, Attic Fans Equipment 145 AMERICAN - wAY WARMING & VENTILATING, INC. 1017 SUMMIT STREET TOLEDO, OHIO Area Code 4)9-343-7151 TYPE UH INDUSTRIAL FAN 16* to 86* Diameters 2,400 CFM--23,300 CFM Up to SJP. A heavy-duty, belt drive industrial fan designed for efficient operation against moderate static pressure. Welded steel frame with heavy-duty ball bearings in cast fan wheel permits all position mounting. Non-ferrous construction available for use with explosion-proof motors. Certified performance ratings au thorized by AMCA. Companion wall shutters for all sizes are auto matic, manual or motor operated. Reguest Bulletin 464. TYPE CQ GENERAL PURPOSE EXHAUST FAN 24* to 48' Diameters 4,900 CFM--22,400 CFM Up to *4' S.P. A top.quality exhaust fan for wall or penthouse usage with maxi mum quietness, efficiency and economy. Two-speed models avail able. Accessories include fan guards, time switch, and fire switch. Companion wall shutters are automatic, manual or motor operated. Certified performance ratings authorized by AMCA. Request Bul letin 463. A rugged, direct connected, exhaust fan for general vemilaiioa and removal of heat, smoke and fumes- Standard units ate welded steel construction. Non-ferrous units are available for use will '' explosion-proof motors. Companion wall shutters are automatic,' > manual or electrically operated. Request Bulletin 467. TYPE U WALL EXHAUST OR UTILITY FAN LOUVER < Architectural type louvers having an '4 . unbroken line regardless of the length ? of. the run compliments today's con temporary design. A new principle of VbUde supports make the unit possible. 's- 10* to 24* Diameters 560 CFM--6,500 CFM Up to *4* S.P. AIR CONTROL DAMPER A new development, center pivot balanced linkage takes unnecessary torque from the operation of air con trol dampers. This new linkage is lo cated out of the air stream thereby eliminating unnecessary turbulence. FIRE DAMPER A new key slot locking device now in sures tight and positive closing of fire dampers. A heavy-duty, direct drive exhaust fan for ventilation of small areas. Also available as air circulator, Man Cooler or "By fan.* Made with welded steel frame and heavy-duty type aluminun blades. Two-speed and explosion-proof motors available. Com panion wall shutters are automatic, manual or electrically operated. Request Bulletin 466. COOLAIR \ DRIVE ASSEMBLY TYPE L POWER ROOF VENTILATORS The heart of each Coolair belt-drive fan is the drive assembly. The efficiency, quietness and durability of the* unit depend on the strength and precision built into the hub and drive wheel. The illustration shows bow the stationary shaft locks into the bub and frame of the fan. Power is applied through the V belt (s) located directly over the bearings. The blade load is concentrated at this same point to achieve a very short, compact assembly which eliminates shaft weave and premature bearing failure. Its time-tested superiority assures quiet, economical service and trouble-free performance. 24* to 60* Sizes M50 CFM--38,600 CFM Up to H* SJ\ A low-silhouette, belt-drive PRV enclosed by a rags*1 steel housing. Thirty-three mo els offer a wide range of cap*^ for both exhaust and supply ui .ge. Back draft damper, bird screca and other accessories available Request Bulletin 468. Coolair Publications on Special Ventilation and Cooling Applications Include: Handbook on yentilation and Cooling Commercial and Industrial Buildings (Bulletin 349) ; Ventilating the Air Cooled in Food Stores (Bulletin 156); Giant !Vall Fans for Industrial Breexe Conditioning (Bulletin 465); and Brochure on Residential Coou** (Bulletin 113). Above publications available at no cosL Write Factory.or contact nearest Coolair sales representative. DOOR LOUVER An entirely new engineering develop"fcot makes possible door louvers of ttceptional strength and blade align- yet keeping cost to a minimum. A recently perfected rotary leverage principle, for motor and manual op erated, shutters makes possible free and easy opening yet when closed the shutter blades seal tightly against one another to repel weather. LP SERIES ROOF VENTILATOR This new quality roof ventilator elimi nates the necessity of many types, for its design encompasses universal appli cation and functions either for air ex haust by gravity or power, air intake' by power. Available for curb-ridgevarying pitch installation. One style, unit now does every job. 1 i.; ' !. ! *t