Document vGB7vOZayB4mngwD4LerX0wZ

Air Conditioning Central Systems Niagara Blower Company General Sales Office: 6 East 45th Street, New York-17, N. Y. Chicago-5: 37 W. Van Buren St. Buffalo-7: 673 Ontario St. Seattle-4: Fourth and Cherry Bldg. District Engineers in Principal Cities Over 25 Years' Experience in Industrial Air Conditioning, Liquid Cooling and Air Drying NIAGARA AERO HEAT EXCHANGER For cooling industrial liquids, water, oils, solutions, chemicals, compressed air and gases, with accurate temperature control to improve efficiency and obtain precise results. Patented (U. S. Nos. 2,296,946 and 2,321,933). Ask for Bulletin 96. NIAGARA AIR CONDITIONING SYSTEMS For human comfort and for all industrial applications requiring controlled conditions of temperature, relative humidity, air purity and air movement. NIAGARA AIR CONDITIONER, TYPE A High precision apparatus using saturation to obtain control of R. H. to I per cent for laboratory work and control of hygroscopic materials. Ask for Bulletin 58. NIAGARA AIR CONDITIONER, TYPE C A year around air conditioning unit providing heating and humidifying or dehumidifying. Ask for Bulletin 80. NIAGARA FAN COOLER AND DISK FAN COOLER For comfort cooling, process cooling, low temperature storage for dairies, fruits, meats, food products, fur storage vaults, etc. Bulletins 72 and 78 NIAGARA SPRAY COOLER For all cooling applications requiring high humidity or high capacity in small space. Ask for Bulletins 72 and 78. NIAGARA "NO FROST" SYSTEM Using Niagara ``No Frost" Liquid in spray coolers, prevents frosting of cooling coils, automatically keeps spray solution at proper concen tration, gives freedom from brine troubles, corrosion.' Constant, efficient operation. Temperature to -100 F. Ask for Bulletins 83 and 95. Niagara Spray. Cooler NIAGARA EXTENDED SURFACE COILS Encased for use with heating, cooling or air conditioning systems. Full range of sizes. Ask for Bulletin 92. NIAGARA DUO-PASS AERO CONDENSER (Illustrated) Saves power and water cost utilizing atmospheric air to remove heat of condensation. Patented Duo Pass prevents scaling, saves power. Ask for Bulletins 91 and 93. NIAGARA "DUAL" COOL.ERS Simultaneously cools a room and furnishes chilled water as a refrigerant. Saves equipment cost, operating expense. Patented. Ask for Bulletin 70. Concentrator /<" use with .'jvofFr<V' System Niagara Aero Condenser with Duo Pass NIAGARA FAN HEATERS AND DISK FAN HEATERS For heating and ventilating large areas. Units of the highest' quality in engineering, material and workmanship. Ask for Bulletin 97. NIAGARA AIR SUPPLY HEATER Balances exhausted air in factories when exhaust systems are operating, saves steam and power, gives more effective heating. Patent pending. Ask for Bulletin 74. NIAGARA MOTOR BLOWERS One, two and three-fan units. High and low static pressure models. Ask for Bulletin 89. 894 Air Conditioning Central Systems Parks-Cramer Company Fitchburg, Mass. Charlotte, N. C. CERTIFIED CLIMATE Complete Air Conditioning Systems including Heating, Cooling, Humidifying or De-humidifying, Air Changing, Refrigeration, Air Filtering, Air Washing AUTOMATIC REGULATION Merrill Process System of Hot Oil Circulation for Heating Industrial Materials Central Station Central Station Air Conditioning Centrally located AIR WASHER. - Proper moisture. Positive, pre-determined air removal or re-circulation. Heating coils and refrigeration optional. Helps such industries as Celluloid; Cement; Ceramics; Cereals; Cigars, Cigarettes and Tobacco; Clothing; Confection ery; Glassine; Leather; Paper and Envelopes; Printing and Lithographing; Shoes; Starch and Dextrine; Storage of Perishables; Textiles; Wood Products. Similar installations effective in Hospitals, Art Gal leries, Auditoriums, Restaurants. Air Washer or Central Station Units. Nozzles for Central Station Air Washers. High Duty Humidifier High Duty Humidifier Water under pressure generates spray. Excess water returns to filter tank and re-circulates. Evaporation per unit high; two sizes of heads each with three sizes of nozzles give flexible capacity for varying conditions. Circulation increased by individual motor-driven fan. Spray thoroughly diffused and distributed over wide area. Turbomatic Humidifier (not illustrated) Efficient humidifier of the atomizer type. For direct humidification, as humidity boosters for Central Station systems of all makes. Self-cleaning. Parks Automatic Airchanger For use with High Duty or Turbomatic Humidifiers. In sures fixed humidity and maximum evaporative cooling. Psychrostat Pettifogger Automatic Regulation The Psychrostat for accuracy, durability, sensitivity. Employs the principle of the Sling Psychrometer, used in all U. S. Weather Bureau Stations. Hygrostat (not illustrated) where requirements are not so exacting. An Air Conditioning System is no better than its Regulation. The Pettifogger A compact humidifier for offices, stores, storerooms, laboratories, or other isolated departments. Self-con tained in lacquered copper casing. Permanently though flexibly connected to water and electrical supplies. Automatic control. Adjustable capacity. Reduces dust. Neutralizes drying effect of heating. 895