MINE AND SMELTER SUPPLY CO

Flex Seal ends assure perfect seal. • Closing mechanisms... manual handwheel; handwheel with chain and sprocket ... 1114 West 13th St., Lorain, Ohio...
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Massco-Grigsby

PINCH VALVES RUBBER, NEOPRENE for Corrosion and Abrasion •

1 " to 14" inside diameter.



Pressures to 150 psi. Temperatures to 200° F.



Patented " h i n g e d " sleeve. Recesses serve as "hinges" during compression; reduce strain and permit tight closing.



Cannot leak or stick.



No working parts in contact with pulp or liquid; no packing glands.



Unobstructed flow eliminates high friction loss.



Remote control available.



Can be equipped for automatic regulation.



Split flanges and patented Flex Seal ends assure perfect seal.



Closing mechanisms... manual handwheel; handwheel with chain and sprocket reduction unit; electric worm gear motor reducer; chain operated torque arm reducer; hydraulic; air-hydraulic.

WRITE FOR NEW CATALOG . . . Manufacturing

Division

MINE AND SMELTER SUPPLY CO. 3800 RACE STREET · DENVER, COLORADO OFFICES AND AGENTS IN PRINCIPAL CITIES Circle No. 43 on Readers' Service Card 10 0 A

vessels for gases, liquids, and solids. Dept. IEC, Downingtown Iron Works, Inc., Downingtown, Pa. 58 Process Equipment. Equipment for the process industries is described in new 12-page, two-color bulletin, G-3C. Pumps, conveyors, coolers, heaters, and fans arc among the products described and illustrated. Dept. IEC, The Fuller Co., Catasaitqua, Pa. 59 Dry Processing Equipment. Brochure describes complete line of equipment for crushing, grinding, separating, mix­ ing, feeding, and conveying of dry chemical materials in plant or labora­ tory. Dept. IEC, Sturtevant Mill Co., Bolton 22. Mass. 60 Precision Liquid Feeder. Recently patented Model MV-854-F Syncro Liq­ uid Feeder is described in new bulletin. Feeder is adaptable to processes re­ quiring either continuous or intermit­ tent feed. Dept. IEC, Mader Machine Co.. 1114 West 13th St., Lorain, Ohio. 61 Pilot Plant Filters. Bulletin No. KB1-2-3/58 describes completely pack­ aged universal filter stations available for the process industries on monthly rental basis. Dept. IEC, KomlineSanderson Engineering Corp., Peapack, N. J. 62 Vacuum Filters. New bulletin features two vacuum filter styles for efficient filtration of industrial process water where a highly polished water is re­ quired. Flat leaf and concentric leaf filters are included in Bulletin Ref. No. 1860.20-2. Dept. IEC, B-I-F Indus­ tries, Inc., 345 Harris Ave., Providence 1, R. I. 63

Industrial Water Heater. The I n stantrol heater package, for accurately controlled hot water under varying loads, is described in new four-page il­ lustrated brochure, Folder No. SF-75S. Dept. IEC, Fulton Sylphon Division, Robertshaw-Fulton Controls Co., Box 400, Knoxville 1, Tenn. 67 Induction Heating. Techniques of producing ultra-high purity materials by induction heating in zone refining, zone leveling, and crystal growing are discussed in issue No. 6 of High Fre­ quency Heating Review. Dept. IEC, Lepel High Frequency Laboratories, Inc., 55th St., & 37th Ave., Woodside 77, Ν. Y. 68 Refractory Metals. Eight-page Bul­ letin No. 978 describes tantalum, ti­ tanium, and zirconium in terms of proc­ ess characteristics, applications, and types of standard and custom equip­ ment available. Dept. IEC, The Pjaudler Co., II04 West Ave., Roch­ ester, Ν. Υ. 69 Batch Mixing. Daffin Bulletin No. X-19R includes details of line of batch mixers for precision blending of dry, free-flowing materials in chemical, ce­ ramic, and plastic industries. Dept. IEC, Daffin Mfg. Co., Lancaster, Pa. 70 Controlled Volume Metering Pump. Bulletin 1153-C includes design fea­ tures, operation, and specifications for Mersematic controlled volume pumps for metering against pressures up to 1200 p.s.i. Dept. IEC, Milton Roy Co., 1300 Mermaid Lane, Philadelphia 18, Pa. 71

Jacketed Fittings. New catalog gives diagrams, charts of sizes, and other in­ formation for jacketed fittings, valves, plug cocks, expansion joints, and strain­ ers. Dept. IEC. J. P. Devine Mfg. Co., 40th St. cfc A.V.R.R., Pittsburgh, Pa. 64

Pumping Heat Transfer Fluids. Ap­ plication of sealless "canned" pumps in the handling of organic heat transfer fluids is discussed in 9-page Technical Bulletin No. 6 now available. Dept. IEC, Chempump Div., Fostoria Corp., P.O. Box 35-25, Huntingdon Valley, Pa. 72

Liquid Nitrogen Generator. Descrip­ tion of Norelco Nitrogen Generator is contained in four-page bulletin. Tech­ nical data, operation, and special fea­ tures of the equipment are included. Dept. IEC, Cryogenics Division, North American Philips Co., Inc., Mount Ver­ non, Ν. Υ. 65

Classifying Systems. Buell classify­ ing systems for efficient separation or dedusting of dry powered materials are covered in brochure now available. Performance data and industrial appli­ cations are included. Dept. IEC, En­ gineering Co., Inc., 123 William St., New York 38, Ν. Υ. 73

Acetylene Chemicals Handling. Handling of acetylene, acrylonitrile, and other acetylene intermediates is discussed in 5-page Technical Bulletin No. 3-1. Application of Chempump canned centrifugal pumps to problems of handling these chemicals is featured. Dept. IEC, Chempump Division, Fostoria Corp., P.O. Box 35-22, Hunting­ don Valley, Pa. 66

Filter Valve. Bulletin F-2039 de­ scribes Hy-flow Automatic Filter Valve

INDUSTRIAL AND ENGINEERING CHEMISTRY

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