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278 ASHRAE Guide And Data Book S. T. JOHNSON CO. 940 Arlington Ave., Oakland 8, Calif. Iohnicti tumCAA. Church Road, Bridgeport, Pennsylvania Catalog Data Section S. T. JOHNSON CO. 279 940 Arlington Ave., Oakland 8, Calif. Ioh/ium BM UAtWii Church Road, Bridgeport, Pennsylvania BANKHEAT BURNERS Pressure-atomizing type. Fully automatic. Pump-driven oil is pressure atomized and mixed with whirling jet of fan-driven air to burn with a soft, clean flame while suspended in air. Bankheata are available in units that bum Oil, Gas or Combination Oil and Gas. These tested, high efficiency burners are used all over the world lor "conversions" and for every type of domestic and commercial beating need; Hot Water, Steam or Hot Air. Literature on Bankheat Burners and on many Johnson-built complete "package-units" powered with Bankheats is available on request. SIZE 0 QA 1A 2A 3A Sizes and Capacities. Bankheat Burners MAX FIRING RATE . MAX BOILER OUTPUT ongph GaaCFH 1000 Bta Steaua Sq Ft Water Sq Ft HP 2H 3 SH 7M 10 IS 18 315 420 770 1050 1400 2100 -2520 900 1300 2300 3100 4150 6200 7500 1450 2100 3650 4950 6650 9900 12000 6K 9 16 22 30 45 54 FORCED DRAFT BANKHEAT BURNERS For firing on Oil, Gas or Combination Oil A Gas. Built to give you maximum-efficiency combustion without the aid of an Induced-Draft Fan or a tall chimney. These fuel-saving units minimise pulsation problems on "hard to fire" installations involving either positive or negative firebox pressures. Five sizes: 30, 40, 60, 80 and 100 hp. (Ratings based on positive firebox pressures up to 0.75 in. wc.) Easy to wire, install and service. Flange mounts furnished. StraightElectric or Gas-Electric Ignition (according to type & size) with Electronic Controls to suit. JOHNSON "HEAT SERVANT" BOILER WATER HEATER PACKAGE-UNITS A size and type for any Domestic or Commercial Water Heating requirements Model W t Vertical Boiler-Burner Units This new line of Johnson engineered and Johnson built "Heat Servant" Boiler-Burner Units is now available in several types of vertical and horizontal models which offer you a wide choice of sizes and capacities. All are powered by Bankheat Burners. MODEL W UNITS are Vertical Fixetube Boilers, water-backed to the bottom of the combustion chamber. Available for Hot Water Heating in 12 sizes from 140 to 1093 MBH, and for Steam Healing in 12 sizes from 110 to 850 MBH. They are A$ME constructed and tamped. Available if desired, with instantaneous type submerged domestic-water coiL Flue outlets are located top center, but boiler tubes can be cleaned without disturbing flue, water or wiring con nections. Galvanized units are available for direct Hot Water Supply. - MODEL VM "AQULUX" Vertical Hot Water Supply Units are similar in appearance to Model VY shown above. They are built with galvanized shell and with Initiated combustion be low the lower tube-sheet. They are furnished as Standard NonCode, but are also available with ASME Code Stamp. Built in 7 sizes from 99 to S45 MBH, and with storage capacities from 22 to 123 gaL MODEL HZ "AQULUX" Horizontal Hot Water Supply Units are built in 3 sizes; 196, 243 and 303 MBH, with storage capacities of 50, 75 and 100 gaL respectively. They are 3-pass Scotch Boiler de sign with galvanized shell and are furnished Standard Non-Code with shell and Yi" head. They can be had, if so desired, with ASM Code Stamp MODEL HS Boiler Units of 3-pass Scotch Marine type, similar in appearance to Model HZ shown above. They are available in 6 sizes from 325 to 2000 MBH. ASME Code Constructed with stamp. Avail able for Steam Heating or Hot Water Heating with submerged domestic water coil if so desired. Galvanized shells can be famished for direct Hot Water Supply units. Model 53 Burner Model 53 Burner with Belt Drive Model 53 Combination Oil-uid-Cas Burner JOHNSON MODEL 53 METERING PUMP BURNERS Fast Positive Starting. Smooth Operation. Greater Fuel Economy. These rotary-type burners were designed to produce sure, automatic "starts" even when the oil in storage tank and lines is cold and hard to pomp. This important performance feature was accom plished by using a positive-displacement Metering Pump, . . . a 3-Way Magnetic Oil Valve,.. and a high efficiency Suction Pump, which enable Model 53 Burners to maintain, automatically, a fixed air-fuel-ratio regardless of variations In oil temperature and vis cosity. SIZES AMD CAPACITIES, MODEX U They are easy to set and to contxoL Firing-Rate can be determined by reading the setting of the Metering Pump Quadrant. All work ing parts are quickly accessible for servicing or repair. The fuel'' economy and reliability of these burners has been thoroughly es tablished in every type of heavy duty service throughout America and numerous foreign countries. Model 53 Burners are available ''with either conventional Direct Drive or with Bell Drive for use in inmllatinnv nsing SO cycle current to mnftw 00 cycle speed,. . . and on installations where additional capacity is required. They are available for firing on Oil Only, Gas Only, or as Combina tion Oil-and-Gas Burners. There are 9 sizes ranging from 28 to 560 hp and from 3980 to 78600 sq ft Steam Radiation. COMPACT FORCED DRAFT Package Unit BURNERS Built for firiug ou Oil Only, Gas Only or as Combination Oil-aod- Gas Burners. Two types are available for use on Scotch Type or Firebox Type boilers. They are engineered to provide all the sir needed for proper combustion regardless of stack conditions and firebox pressure variations. All these Forced Draft Package Units are factory-assembled, wired and tested, complete with all the controls mounted in dust type cabinet, ready for fast, inexpensive installation on any standard size and type of boiler. they are available in the sizes and capacities listed above for Johnson 53 Buroere. SHEETS crviwc CATALOG DATA AND SAMPLE SPECIFICATIONS ABB AVAILABLE OW REQUEST