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Specialties, Healing The MeAlear Mfg. Co. 1901-1907 So. Western Avenue ' CHICAGO Power and Heating Specialties for Controlling Pressures and Flow of Steam, Water, Air or Gas Pressure Reducing Valves--used in Low Pressure, Vacuum or Vapor heating systems or any other service where close regulation and control are required. USE Fig. 155 for ini tial pressures up to 150 lb. and re ducing to service pressures 0-10 lb. Fig., 185 Single Seated Valves on dead end service where reduced pressure is below 10 lb. Fig. 235 Spring Weighted type for initial pressures up to 200 lb. arid reducing to service pressures above 10 lb. Fig. 255 Single Seated Valves for dead end service such as cooking tables, kitchen utensils, laundry mangles, etc. Steam Traps--For draining water of condensation from any steam apparatus or steam mains. Air Elimi- NATOR AND Return Traps-- De signed for automatical ly . returning water of condensation from low. pressure steam or vapor sys tems direct to boiler arid to exhaust the air to at mosphere. CAPACITIES Size Inlet Outlet Steam Vent Capacity No. In. In. In. In. Sq. Ft. 0 I'/. i'/. y. . 1000 1 \'h t'/z 1 y 2000 22 2 V* 4000 3 4 2'A 2'/z 22V'Az 1 V ; 6000 % 12,000 53 63 3 y/i i'/ y, \'A % 18,000 24,000 McAlear Direct-to-Boiler Water Feeders For maintaining constant water line in steam boilers. McAlear Automatic Water Feeders prevent boiler fractures from low water, decrease fuel consumption and reduce maintenance expense. r C Reversible Seat SPECIFY Fig. 685 for pressures up to 250 lb. Fig. 715 for special low pressures. D For oil burner installations--Feeders are equipped if desired, with LOW WATER ELECTRIC CUT-OUTS. The McAlear line of Power, Heating, Gas and Oil Specialties include: Thermo static Radiator Traps, Packless Radiator Valves, Air Vents, Grease Extractors, Dirt Strainers, Vacuum Pump Governors, Damper Regulators, Back Pressure Valves, Water Regulating Valves, Tank Controllers, Gas Regulating Valves, Liquid Level Controllers and many other devices. General Catalogue No. 28 illustrating our com plete line, will be gladly furnished upon request. 614 Specialties, Heating Milwaukee Valve Company "MILVACO" Heating Specialties Burrell and Chase Streets Milwaukee, Wis. New York, N.Y. Washington, D.C. Spokane, Wash. Reading, Pa. Los Angeles. Calif. Pittsburgh, Pa. Chicaqo, III. Representatives in all Principal Cities Newark, N.J. Seattle, Wash. Portland, Orb. . Minneapolis, Minn. Detroit, Mich. Cleveland, Ohio Winnipeg, Canada Louisville, Kt. Cincinnati, Ohio Datton, Ohio Columbus, Ohio Denver, Colo. St. Louis, Mo. Indianapolis. Ind. Helena, Ark. Duluth. Minn. Kansas City, Mo. Baltimore, Md. Fort Worth, Texas Omaha, Nebr. Toledo, Ohio San Francisco, Cauf. CoNNELLSVILLE, Pa. Richmond, Va. Boston. Mass. Dallas, Texas Philadelphia, Pa. Packless Valves Note.--In addition to types illustrated, Dole-Milwaukee Packless Valves can be fur nished in the following patterns: Lock and Shield Angle. Lock and Shield Graduate. Union Gate. Union Globe and Right and Left Hand Corner. Always specify steam or water. Send for Bulletin No. 24 Fig. 09-M Lever Handle Graduate "Milvaco''* Air Eliminator A heavy substantial float vent for use on heating systems or apparatus where rapid elimination of air is necessary, and where passage of both steam and water must be prevented. Made in H and % in. sizes. Send for Bulletin No. 26 "Milvaco" Quick Vent For use at high points on any installa tion where a large volume of air must be rapidly vented. A large substantial vent for heavy duty service. Vents completely at high or low pres sures. and the check valve prevents the return of air into the system.. Construction the same as Air Elimi nator, eliminating the float. Made in H and % in. sizes. Send for Bulletin No. 26 Thermostatic Trap Without an equal for Vacuum, : Vapor and Modulating "Milvaco" Boiler Return Heating Systems. Illustrated below is a sectional view showing construc tion of '`Milvaco'' Thermostatic Traps. Embodying every An ideal trap for use on vapor . systems for returning water ' of condensation to the boiler. Positive in action; noiseless in operation; and mechanism .not dependent upon action of springs. Capacity 4000 sq. ft. direct ""desirable feature of successful radiation. radiator return traps and incor porating features exclusive in "Milvaco," traps, this product is a most desirable asset to a heating system. Send for Bulletin No. 23. Pipe connection 2 in. Steam and Vent connec tions J^.in. Send for Bulletin No. 25 Trap Roughing-in Dimensions and Capacities' AB Fig. Capacity Pipe Center Line Face of No. Sq. Ft. Rad. Conn. Outlet to End Outlet to Center of Spud of Spud 0 75 200 2 500 'Zhinm 2y'//s.' VS y/s w 2* ivs Note.--The standard roughing-in dimension, "A" for in. traps as adopted by the Heating and Piping Contractors'. National Association, is 3J^ in. which standard we adhere to. We can, however, upon special request, supply traps with this dimension any length from 2$4 to 4 in. Send for Bulletins showing complete line of specialties. "Milvaco" Drip Trap "Milvaco" Drip Traps are a combination float and thermostatic trap which drip any main of riser on any heating sys tem or apparatus where it is necessary to posi tively eliminate both air and water and close against steam. Not dependent upon tem perature for action. Guaranteed to eliminate drip troubles. Made in 34. and 1 in. sizes! Send for Bulletin No. 27: 615