Document 377JpoGY1G8jgOEw42yk4RZZn

Specialties, Heating The McAlear Mfg. Co. 1901-1907 So. Western Avenue CHICAGO Power and Heating Specialties for Controlling Pressures and Flow of Steam, Water, Air or Gas No. 155 McAlear Reducing Valves are constructed in either the diaphragm weight and lever type, spring weighted diaphragm type or the pilot operated type. They are made with either single or double seats, and with expanded outlets when desired, depending on the type selected. They will reduce steam pressure from 5 to 250 lb. to any desired service pressure from a partial vacuum to 240 lb. Complete infor mation furnished on application. Sizes % to 20 in. McAlear traps are built in both Open Bucket and Ball Float types and are con structed in several different styles to meet any service condition. No. 717 (illustrated) is invaluable for low pressure drip connections but can be used on pressures up to 125 lb. It has large capacity, equipped with accessible valve construction, deep water seal, and thermostatic element when used for blast trap duty. Sizes yk to 3 in. c McAlear Direct-to-Boiler Water Feeders are made both Simplex and Du plex and are equipped with Mercoid Switches, when desired, for Oil Burner Control. Working parts of non-corrosive material, heavy seamless floats and they feed water direct to the boiler. Complete information in Bulletin "K-l." No. 15 Automatic Air Valve is used for relieving mains and rissrs of low pres sure, vapor and gravity heat ing systems, vento coils, and indirect radiators of air. It will operate at any pressure up to 15 lb., and is made in sizes %, % and 1 in. sizes. McAlear Radiator Traps are constructed in several different styles and sizes and patterns either plain or nickelplated. The thermostatic elements are made of the best quality bronze metal, and are suitable for withstanding any temperature or pressure from a partial vacuum to IS lb. The McAlear line of Power, Heating, Gas and Oil Specialties also includes: Radiator Hangers, Packless Radiator Valves, Return Traps, Grease Extractors, Dirt Strainers, 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 complete line, will be gladly furnished upon request. 774 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, Caup. Pittsburgh, Pa. Chicago, III. Representatives in all Principal Cities Newark, N.J. Seattle, Wash. Portland. Ore. Minneapolis, Minn. Detroit, Mich. Cleveland, Ohio Winnipeg. Canada Louisville, Kt. Cincinnati, Ohio Datton, Ohio Columbus. Ohio Denver, Colo. Sr. Louis, Mo. Indianapolis. Ind. Atlanta, Ga. Duluth. Minn. Kansas Citt. Mo. Baltimore, Md. Post Worth, Texas Omaha, Nebr. Toledo, Ohio Phoenix, Abo. San F&ancisco, Cali?. Richmond, Va. Boston. Mass. Dallas, Texas Philadelphia, Pa. Jackson, Miss. Packless Valves Note.--In addition to types _ illustrated. Dole-Milwaukee Packless Valves can be fur nished >n 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 Fig. 15-M Quick Opening A ngle All patterns made in sizes H to 2 in. inclusive. Thermostatic Trap Without an equal for Vacuum, Vapor and Modulating Heating Systems. Illustrated below is a sectional view showing construc tion of "Milvaco" Thermostatic Traps. Embodying every desirable feature of successful ''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. "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 M to M 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 M and % in. sizes. Send for Bulletin No. 26 "Milvaco" Boiler Return 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 radiation. Pipe connection 2 in. Steam and Vent connec tions M in, * Send for Bulletin No. 25 Trap Roughlng-ln Dimensions and Capacities AB Fig. Capacity Pipe Center Line Face of No. Sq. FL Rad. Conn. Outlet to End Outlet to Center of Spud of Spud 0 75 I 200 2 500 Zf ?/.' w V.V w V/.' 196' 2' 2>/.' Note.--The standard roughing-in dimension, "A" for Min. traps as adopted by the Heating and Piping Contractors' National Association, is 3M in. which standard we adhere to. We can, however, upon special request, supply traps with this dimension any length from 2% to 4 in. Send for Bulletins showing complete line of specialties. "Milvaco" Drip and Blast Traps "Milvaco" Drip and Blast Traps are a combination float and thermostatic trap which drip any main or riser on any heating system or apparatus where it is necessary to positively eliminate both air and water and close against steam. Not dependent upon tem perature for action. Guar anteed to eliminate drip troubles.. Made in ^ to 2 in. sizes, inclusive. Send for Bulletin No. 27. 775