Document gb5YaNMwQnq0qodMb1Zwg7EmG

292 JENKINS BROS. 100 Park Avenue, New York 17, N. Y. Bridgeport, Conn.; Boston, Philadelphia, Chicago, San Francisco, Atlanta DO YOU HAVE THIS HELPER? For dear, complete, essy-to-find data on valves and how to select and reach for this latest Jenkins Catalog. FOUR TYPES OF INDEXES HAD QMCKir TO DATA NEEDED Four-way indexing--General, Alphabetical, Fig. No., and Sec tional--leads the reader instantly to the information desired, from any point of reference... pattern, metal, number, or function. VALVE SPECIFICATIONS UST ADVANTAGES AND MAJOR USES Every Jenkins Valve in every group,--Bronze, Iron, Cast Steel, and Stainless Steel--is fully illus trated and described in detail, with an explanation of its prin cipal advantages and uses. HRPFUl INSTRUCTIONS FOR CH00SIN6 AND USING VALVES Thirteen pages of basic informa tion,--"Fundamentals of Valve Design and Application"'--serve as a guide in selecting the correct type of valve, and provide instruc tions for their proper installation and maintenance to assure maxi mum service life. MEFUl REFERENCE DATA In the 23 pages of the "Engineer ing Data" section. Catalog No. 56 provides a compilation of useful required tables, charts, and codes --the information wanted by the men who plan piping layouts .. and specify valves. From cover to cover this 296 page general catalog of Jenkins Valves was designed to give specifiers and buyers all the data they want ... and FAST. It's the book to reach for FIRST when yon need valves or valve information. Write for yonr copy. Heating Systems 293 Johnston Brothers, Inc, Pioneers of toaterback boiler design Ferrysburg, Michigan ttCMSEB (e-Uf.fw.oC Johnston pioneered the waterback, three pass design for pack aged boilers. With the submerged rear combustion chamber, rear end refractory and tile baffles are eliminated. Hie water cooled surfaces prevent overheating of the rear tube sheet and cracking of ligaments between tubes. 509 SERIES ABMA RATED 12 Sizes--75 through 750 b.p. Pressures, 15 lb. to 250 lb. Quiet gas burners, low pressure air atomizing or horizontal rotary oil 1 burner, or combination gas-oil- Three pass boiler design. Ask for Bulletin 509B. All Johnston Packaged Boilers have full 5 sq. ft of heat- mg surface per boiler h-p., ASME measured for long- lived dependability. < Forced draft design requires only a simple exhaust vent No costly stacks or foundations. For fast, easy installation and undivided responsibility, Johnston Packaged Boilers are completely factory assem bled and fire tested before shipment To assure lasting satisfaction, factory trained technicians inspect and start each new installation and train your operator. For complete fuel flexibility there are fuel-saving burnen for heavy oil, light oil, gas or combination with fast, easy changeover. Complete unit listed by Underwriter's Laboratories, meets Factory Mutual Requirements, built to ASME Code, Na. tianal Board Rules for high pressure and State or Special Codes.. 80% efficiency guaranteed through full modulating range. 4 200 SERIES ABMA RATED 14 Sizes--20 through 250 h.p. Pressures, 15 lb. to 250 lb. Quiet gas burners, low pressure air atomizing oil burners, or combination gas-oil. Available in three or four pass boiler design. Ask for Bulletin 200B. 9600 SERIES ABMA RATED 19 Sizes--43 through 717 h.p. Pressures, 15 lb. steam, 30 lb. water. Quiet gas burners, horizontal rotary oil burners, or combination gas-oiL Two pass boiler design. Ask for Bulletin 9600- STEEL HEATING BOILERS Low pressure--For oil, gas or stoker firing. Built to the ASME Code and rated in accordance with the S.B.1. Rating Code--S-B.1. gross outputs from 648 MBh to 18,000 MBL Firebox Boilers Ask for Bulletin 1S00A 4 Scotch Type Boilers Ask for Bulletin 9500 For complete details, write direct or-contact your JOHNSTON representative.