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Heating Systems Specialty Armstrong Machine Works 851 Maple Street, Three Rivers, Mich. - Represeatatires in Principal (Steam Traps. Air and Air Relief Traps... . Centers ' Steam Humidifiers.. .. -R----e----f.r.iegve.rMauntt Pumrggeciras All Armstrong Products are Sold on a Basis of Satisfaction or Your Money Back Traps Stocked by 39 Factory Representatives and 135 Jobbers; Available Through Any Jobber. ARMSTRONG INVERTED BUCKET STEAM TRAPS APPLICAlTTTIOAWNOS. Aa r_mstrong manufac tures inverted bucket steam traps for any pressure from 0 to 2400 psig; for dis charging to high pressure, gravity or vacuum returns; for draining mains, risers, coils, heaters, radiators, unit heat ers and process equipment. FEATURES. High Quality Mechanisms in Armstrong traps for low and medium ^ from 500 to 1500 cu ft free air per hour when steam is-first turned on. High Capacity for Size. The patented free-floating lever mechanism makes pos sible wide opening of discharge orifices large for overall trap size and price. Arm strong capacity ratings, based on actual rteelsiatsblwe.ith hot condensate,1rare entirely pressures are identical in design, work manship and materials to those used in traps for 950 psi, 900F. Automatic Air Discharge. Standard traps discharge normal amounts of air along with condensate. "Blast" traps with thermic bucket vents discharge at rates No. SOOSH No. SS0-SS1 Bide inlet Traps Pipe Connections.. List Price (Regular)___ List Price (Blast Tran!.. . Telegraph Code (Regular)... Telegraph Code (Blast Trap).... Height............................. Diameter................. Number of Bolts__ Diameter of Bolts.. . . Weight................ Maximum Pressure, lbs. charge capacity in lb of water per hour at pressure indi cated. For more complete informa tion see the Capa city Chart in Arm strong Steam Trap Book. i t 3 Bottom Inlet Traps 5 10 15 20 30 50 70 100 125 150 200 250 List Price (Regular). List Price (Blast Tran) .. Telegraph Code (Regular) Telegraph Code (Blast Trap). Diameter................... Diameter of Bolts. . Number of Bolts___ Maximum Pressure, lb. .. No. 800 No. 811 No. 812 - H' or %' k'ork r 110.00 614.00 $12.00 616.00 Aloe Brown Aloette Brownettf* H'or X r X' or 1* 623.00 631.00 626.00 134.00' Cherry Dawn Cherette Dawnett<* 1'orlM 646.00 949 JO Ester Estette W 5' 6 6k' 5' 6 8k' 6M' 6 UK' 7K' 6 13k* 8* 8 k' 5 lbs. 150 X' 6 lbs. 250 X* 15 lbs. 250 k' 27 lbs. W 45 lbs. 450 830 1600 560 640 690 950 1060 880 1900 2100 1800 500 580 1000 840 ' 2050 1900 660 950 2200 640 860 1800 680 950 2000 570 810 1500 860 1600 760 1300 No. 211 No. 212 2900 3500 3900 3500 4000 4100 3800 3600 3900 3500 3200 3500 4800 5800 6500 6000 6800 6300 6000 6200 6700 5700 5300 5700 No. tu-sie 7600 9000 10000 8500 9800 9000 9200 10400 10900 6500 9200 7000 14500 17300 16200 18500 18000 18200 18300 18000 20000 18500 17500 19000 w 613.00 615.00 Aspen Aspette 6>4' 4k' %r 6 61b 250 k' or k' k'or 621.00 624.00 Birch Birette S' 629.00 632.00 Walnut Walette 10k' 5k' 6k' VW 8 12 lb 21 lb 250 |, 250 1' I' or lk' iH'orO0 641.00 655.00 678.00 644.50 660.00 685.00 Semlock Larch Tamarack Elemlette Larette Tamrette 12k' 14k' 17' 7k' 8k' 10k' H' k' k' 8 8 12 35 lb 47 lb 78 lb 250 250 250 1472 Armstrong Machine Works Heating Systems * Specialties Non-clogging. Swirling action of conden sate carries dirt through trap. The larger sizes seldom require the extra cost of strainer protection. Quick-Acting. Condensate and air are discharged as fast as they reach the trap, providing fast heatup and maximum temperatures. CHOICE OF BODY STYLES. In the most commonly used sizes, Armstrong traps are available in several body styles to simplify, and reduce the cost of, in stallation. Side Inlet Series. Traps number 800,8X1, 812, 813, 814 have horizontal and oppo site pipe connections. Capacities and mechanisms of 811, 812, 813, 814 are identical to bottom inlet traps 211, 212, 213, 214. Integral Strainer Models. No. 880 and 881 traps have strainers in the trap body; otherwise identical to 800 and 811 traps. No. 880 lists at $11.50, 881 at $16.00. Both cost less to buy and install than a trap plus separate strainer. Right Angle Trap. No. 801 capacity and price identical to No. 800 listed in table. For replacing old radiator traps or wher ever angle connections are simplest. Bottom Inlet Traps. No. 211 through 216 have bottom inlet top outlet connections. TECHNICAL LITERATURE. (Avail able free upon request) Catalog J. The Armstrong Steam Trap Book. 44 pages of data on trap selection, installation, maintenance and trouble shooting for all classes of equipment. How to Select Traps for Draining Unit Heaters--lists the Btu Output Ratings for all sizes and types of 30 makes of unit heaters in a convenient single source. ARMSTRONG STEAM HUMIDIFIERS For Stores, Offices, Hospitals, Factories, Laboratories Operation. These units provide auto matic, closely controlled humidification by introduction o! steam directly into the room. Installation is comparable to unit heaters. A solenoid discharge valve on the hu midifier is controlled by a sensitive humidistat. A fan or venturi nozzle aids steam dispersal. Where an electric spark is an explosion hazard, air operated models.are available. A large model for installation in air ducts and central heat ing systems is also made. Capacities range from 31 to 630 lbs/hr steam. Advantages. Installation cost is as much as 8Q per cent less than some types. The smallest unit, capable of humidifying up to 40,000 cu ft, lists at $182.25 complete with control. No extra load on the heat ing system. No dripping--any moisture in the steam is re-evaporated in the steam - jacketed separating chamber. Control is accurate within a few per cent R. H. Bulletin No. 1774 gives complete data on required relative humidities, selection and installation of Humidifiers. OTHER PRODUCTS (Bulletins free on Request) Bulletin 2062--Armstrong ball float traps for venting air from hot water systems. Bulletin 221--Armstrong Purgers for dis charging air, other non-condensable from refrigerating systems. Bulletin 241--Armstrong liquid seals for refrigerating systems. 1473