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L. J. Wing Mfg. Co. Air Conditioning Unit Heaters WING FEATHERWEIGHT UNIT HEATERS The first light-weight, ceiling-suspended, unit heater. Eight different designs of outlets meet the requirements of every type, size and height of building or occupancy. Located near ceiling or roof, the accumulation of hot air in the upper spaces, with the accompanying costly waste of heat, is prevented. They project the air, comfortably warmed, downward to the working area. Bulletin H-9. Type "HC" Fixed Discharge Design No. 3 Design No. 4 VARIABLE TEMPERATURE SECTIONS Invaluable in supply ing fresh air for space heating or process work. Close control of the de livered air temperature is obtained without danger of freezing. Manual or automatic control. Bulletin HS-2. DOOR HEATERS GARAGE HEATERS FEATHERFIN HEATER SECTIONS For heating or cooling air for any purpose by steam, hot or cold water or refrigerant. The heating element is extremely light and, for equal heat transfer, offers little resistance to air flow. Available for any desired final air tem perature. Bulletin HS-2. WING originated the vertical conedischarge heater in 1921 and today it is still applicable for heating the inrush of cold air at large doorways and for garage heating. Often cuts heating costs in half. Bulletins D-l and G-l. FOR LOW CEILINGS In this type of WING Unit Heater the position of fan and motor are re versed to meet con ditions of ceiling or roof height, form and shape of building, coverage, Type "LC" etc. Bulletins HR-1 and H-9. WING UTILITY UNIT HEATERS A lightweight suspended unit heater for delivering heated air in one general direction. Has the same powerful fan and rugged heating element as WING Featherweight . Unit Heat ers. This is the latest re finement of the original horizontal light weight heater which was developed by WING. Bulletin US. WING INDUSTRIAL FOG ELIMINATORS Eliminate fog, odor and fumes in dyeing, bleaching and finish ing plants, creamer ies, pasteurizing, bot tling, canning and packing plants, chem ical works, paper mills, steel pickling plants, etc. No ducts are required. Bulletin FE-12. TURBINE-DRIVEN HEATERS Any WING Unit Heater can be furnish ed with steam turbine-driven fan for loca tions where high-pressure steam is avail able. Photo shows turbine-driven revolving unit heater. Can also be supplied for fixed discharge or utility type heater. Bulletin HR-1 and H-9. 926 L. J. Wing Mfg. Co. Air Conditioning Unit Heaters Fans and Blowers WING-SCRUPLEX SAFETY VENTILATING FANS A propeller type fan that will deliver air against static pressure, quietly and efficiently. Moves the air for ward in straight lines with minimum eddy. Capacities to 100,000 cfm. Bul letin F-8. WING FEATHERFIN PROCESS HEATING UNITS For man ufactur ing pro- cesses such as drying, aging, etc..re quiring the recirculation of the heated air. Motor or turbine located outside air cur rent. Bulletin P-2. WING-SCRUPLEX EXHAUSTERS For economically moving air wherever ducts are used. It combines the efficient WINGScruplex Propeller Fan with a housing which places the motor entirely outside the air duct. Motor and drive remain cool and clean and are easily accessible. The powerful WING-Scruplex Fan delivers high air volume with low power consumption against any pressures for which duct systems should be designed. V-belt or direct drive. Light, compact and easy to install. Bulletin 78-A. . WING SYSTEM OF CONTROLLED COMBUSTION For low pressure heating boilers and small power boilers. Increases capacity and permits use of lowest cost fuel. Includes Type EM Blower equipped with fully enclosed dustproof motor with speed regulating rheostat and automatic control. Eliminates necessity of frequent firing, allowing intervals as great as 24 hours even in zero weather. Bulletin M-96. ' WING TURBINE-DRIVEN BLOWERS Applied to hand, stoker, oil or pulverized fuel fired boilers, increase boiler capacity, maintain constant steam pressure and permit com plete combus tion of low-cost fuels. The ex haust steam, free from oil, can be used for heating or pro cesses. Bulletin T-98. WING DRAFT INDUCERS Installed in breeching or flue, or on chimney top; provide positive, exact draft regardless of weather conditions or inade quate chimney or breechingcon struction. Suit able for coal, oil, or gas-fired.boil ers; industrial furnaces and kilns. Bulletin Chimney-Top Inslollalion 1-10. , ^ Installation of Wing System of Controlled Combustion in a targe school' WING MOTOR-DRIVEN BLOWERS Type COM for static pres sures up to 10 in. W. G. and volumes up to 50,000 cfm. Type E M D for moderate static pres- Type COM sures up to 2 in. Both blowers have fully-enclosed dustproof constant speed motor and built-in adjustable control vanes. Type COM has double-staged axial flow fan; Type EMD, single stage fan. Extremely compact; dis charge can be vertical, horizontal or inclined. Bulletin CO-4 927