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______________________Air System Equipment Fans & Blowers Blower Wheel* The Lau Blower Company 2007 Home Avenue, Dept. J, Dayton 7, Ohio Other Plants in Kitchener, Ontario, Canada, and Azusa, Calif. LAU all new `ELECTRO-WHEEL BLOWER: Two unobstructed air inlets on wheel sides plus compact motor design rives more air delivery with less power load. Stationary shaft with rubber mountings reduces vibration to a mini mum. Rugged tripod mountings give extreme shipping strength without im peding air now. Air deliveries from 500 to 1500 cfm, static pressure from .5 to 1.25 in. (water gage), l/i hp motor. Available in 115 and 230 volt a-c. Housing supports optional. Pre-punched holes in housing unit make any discharge angle possible. LAU Econo-Pak Blowers cover most applications for residential air-moving equipment; effect savings up to 10 per cent by eliminating special blowers for each application; reduce blower inven tories by simplified order procedures, quick handling of model changes, lower handling costs, up to 26} percent re duction in warehouse space. Three Basic Sizes each in 2 widths, with all features of Standard Series A Blowers. Package includes blower wheel, housing with cut-off, housing supports, motor mount (not attached), all hardware. Exclusive Lau-Pak Bearings without oil cups require no lubrication. Adjustable Dis charge, any one of 5 positions. LAU Standard Blower Assemblies (Series A), heavy-gage steel housing assemblies, entire unit die-formed. Capacity range 350-22,000 cfm. Motor *' Mounting adjustable for any motor location. Housing Base heavy 16-gage steel, rigid. Discharge Outlet improved design, construction. Belt special com position for blower operation. Shafting 2-stage centerless ground, burnished. Bearing Bracket 3-point suspension; same bracket used for all discharge angles. Lausteel Pulleys employed; V.S. motor pulley allows speed variations up to 30 percent. Center Suspended Wheel. Embossing of Scroll Sides reinforces venturi inlet and discharge. Bearings highest grade self-aligning porous bronze sleeve type. Plastic Thrust Washer absorbs shocks. LAU Spun Wheels, Center Suspended Riveted Wheels, S.I. and D.I. Weld Wheels, a complete wheel line. Spun Wheels center disc construction; baked enamel, Ruspruf, or hot-dip galvanized * Trade-Mark 218 Air System Equipment pSJw'bI<SS^Ls The Lau Blower Company 2007 Home Avenue, Dept. J, Dayton 7, Ohio Other Plants in Kitchener, Ontario, Canada, and Azusa, Calif. All Lau Fans carry PFMA Certified Ratings and UL Approval; also regular manufacturer's warranty. ton Series A Bearing Lau-Pak Gold Seal Bearing LAU Series A and Lau-Pak Gold Seal Bearings are noted for their high per formance and longer life. Series A is a self-aligning, self-oiling bronze bearing held in housing under uniform spring pressure; bore sizes Jjj, 1 and 19is in. Lau-Pak Gold Seal Bearings require no additional lubrication; ample supply of lastic petroleum is sealed in housing; ore sizes H, H, 1, and 1^6 in. LAU Self-Aligning Pillow Blocks are low-cost, light-weight, oil-tight steel housings with porous bronze bearings. Hold much more oil than cast iron types. Durex bushing feeds oil to shaft by capillary action. Spring keeps spheri cal surface of bearing and ring in close contact. Long bolt slots permit inter changing with other makes of pillow blocks. Bore sizes available are %, 1ke, 1, and IMe in. finish; standard steel or Power Lock hubs. Center Suspended Wheels, blades double-riveted to end rings, arc welded to center disc, diameters 18 in.-30 in.; standard steel or Power Lock_ hubs. S.I. and D.I. Weld Wheels, individual blades of correct length, width, pitch; baked enamel, Ruspruf, or plated; diam- etere i'A in.-9 in.; widths 2J4 in.-9 in. Lausteel Variable and Constant Speed. Pulleys are in balance and true-running. Lausteel Variable Speed Pulleys avail able in three standard bores: A, A, and" H in. Diameter 3H in. OD. Allow speed variations up to 30 percent for many drive combinations. Lausteel Constant Speed Pulleys available in diameters of 6 in. to* 10 in., inclusive. Suitable for both "A" and "O" section belts. Lau also offers cast iron pulleys in diameters of 11 in. to 14 in. Variable Speed PnUcg Constant Speed Palleg LAV Blower Catalog 707 contains full information on Pillow Blocks and PuOsge. LAU Nitealr* Exhaust Fans for residen tial, commercial, and industrial use. Nitealr* Rancher, for homes, with lowpitched roofs, pulls air up through eeil: mg opening; four sizes: 24-30-36-42 in. Nitealr* Panel Unit in standard and heavy-duty models, with four blades properly pitched for efficient air move ment; five sizes: 24-30-36-42-48 in. Niteair* PaneI Unit LAU Pan Catalog gipes.jou complete details. * T. M. Reg. U. S. Pal. OB. Write for it. 219