Document ro02Krjk8n50ra5LrRXXq0y7

Air Conditioning McQuay, Inc. 1600 Broadway, N.E., Minneapolis, Minn. MANUFACTURERS OF AIR CONDITIONING EQUIPMENT Unit Heaters. Full floating, all copper heating elements. Improved bond, between fin and tubes. 26 sizes Evaporator Coils. For all phases of commercial re frigeration. Tailor-made to fit specific requirements. Air-Conditioning Unit. Suspended Type. New line, low priced, combining high efficiency of centrifugal fans and air filters. Cold water or Freon cooling medi um. Attractive cabinets, adaptable for fresh air con nection. Comfort Coolers. For direct expansion or water as cooling medium; also as combination cooling and heating units. Capacities for any requirements. Concealed and Cabinet Copper Radiation (Con vectors). Enclosure types, exposed floor and wall hung, fully or partially recessed. Removable panels and con cealed. All copper heating elements. Unit Coolers. For truck refrigeration, storage rooms, etc. All refrigerants. Nine sizes. Cabinet Room Coolers. Floor type for home or office. Attractive, compact. Water or direct expansion refriger ants. Suspended Cooling Unit. Blower Type. Com panion to floor type. Com bi n a t i o n cooling and heating. Air-Conditioning Coils. For central fan heating and cooling systems. For cool ing and dehumidifying. Direct expansion refrig erants or water for cooling, steam or hot water for heat ing. Sizes for any air con ditioning application. Floor Type Cooling and Heating Units. Six sizes, 3 to 50 tons cooling capacities. NEW DESCRIPTIVE BULLETINS ARE READY on all McQuay Products. 876 Air Conditioning Jos. A. Martocello & Company 229-31 North 13th Street, Philadelphia, Pa. ATOMIZING SPRAY NOZZLES Martocello Atomizing Spray Nozzles contribute greatly to the general ef ficiency of air washing and air conditioning installations, and permit the complete anDaratus to function at its maximum rated capacity. Successful--efficient oper ation of air washing and air conditioning equipment de pends largely upon having the proper design of spray nozzles. Martocello Atomizing Spray Nozzles are used ex clusively by many manufac turers because they give a uniformly fine, wide spray having a spread of 95 to 115 deg. For obtaining maximum efficiency from our Standard Spray Nozzles, we recommend with orifices as indicated in the table below. Any reason able range of capacities at various pressures can be ob tained from the sizes shown. Types of Martoeello Spray Nozzles We appreciate all difficult Air Conditioning problems being submitted to us for proper recommendations and results. Sizes and Capacities . Pipe Size Inches Vt % '/ y. Vt Vi V* Part No. 1930 1910 1920 2300 2304 2308 Diam. Orifice Inches 7/64 13/64 5/32 17/64 7/32 5/16 M/32 5 lb .22 .54 .86 1.48 1.98 2.66 3.59 10 lb .29 .77 1.18 1.96 2.63 3.77 4.87 Capacity, Gallons per Minute 15 lb .34 .96 1.48 2.38 3.15 4.71 5.92 201b .39 1.13 1.76 2.75 3.62 5.52 6.83 25 lb .44 1.29 2.02 3.08 301b .49 1.44 2.24 3.36 4.05 6.24 7.62 4)44 6.87 8.33 35 lb .54 1.58 2.44: 3.60 4.80 7.47 8.98 401b .59 1.71 2.63 3.82 5.13 8.04 9.60 Brass Forged Nozzles illustrated and also Cast Red Brass Nozzles in 1 in. to 2 in. Pipe Size carried in stock for prompt shipment. Satisfaction Guaranteed 877