Document gEYBje3E3pOY4oqe1wnONNg8G

_ _ __ ___ , Fans 4 Blower* Air System Equipment Blower wheels The Lau Blower Company 2027 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 gives 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 flow. Air deliveries from 500 to 1500 cfm, static pressure from 0.5 to 1.25 in. (water gage), $4, and % hp motor, 9 in. and 10 in. wheels. Available in 115 and 230 volt a-c. Housing supports optional. Pre-punched holes in housing unit make any discharge angle possible. Trade-Mark 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 26percent re duction in warehouse space. Four 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; wheel, housing, bearings and shaft assembled. Exclusive Lau-Pak Bearings without oil cups require no lubrication. Adjustable Discharge, 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 gage steel, rigid. Discharge Outlet improved design, construction. Custom-built Belt special composition for blower operation. Shaft ing 2-stage centerless ground, bur nished. Bearing Bracket 3-point suspen sion ; same bracket used for all discharge angles. Lausteel Pulleys employed; .VB._ motor pulley allows speed variations up to 30 percent. Center SuspendedWheel. 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 DA Wel?.^ Wheels, a complete wheel line. Spj" Wheels center disc construction; basec enamel, Ruspruf, or hot-dip galvanise0;-'. 4-*V 206 Mr System Equipment The Lau Blower Company 2027 Home Avenue, Dept. J, Dayton 7, Ohio Other Plants in Kitchener, Ontario, Canada, and Aznsa, Calif. Large-Bore Wheel Lau Fans carry PFMA Certified Ratings and UL Approval; also regular manu facturer's warranty. LAU Large-Bore Wheels, made to tradi tional LAU rigid performance standards, are now available. Bores for 3 in.* 4 in. and 4J4 in. shafting, with other bore diameters up to'5 in., are offered on Spun wheel sizes 9 in. through 18 in. and on Riveted wheel sizes 22 in. through 30 in. Variety of finishes (contact factory for \ details). NO set screws--no need for flats or keyways. New design eliminates excess weight of hub. 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 ^6, L and lXe in. finish; standard steel or Power Lock hubs. Riveted Center Suspended Wheels* blades double-riveted to end rings, arc welded to center disc, diam eters 22 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; diameters in.-9 in.; widths 2^ 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: and h in. Diameter 3K 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 f 11 in. to 14 in. Variable Speed Palley Constant Speed Pulley LA U Blower Catalog 707 contains full information on Pillow Blocks and Pulleys. LAU Niteair* Exhaust Fans for residen tial, commercial, and industrial use. Niteair* Rancher, for homes with low- pitched roofs, pulls air up through ceilSi? Pening; four sizes: 24-30-36-42 in. witealr* Panel Unit in standard and neavy-duty models, with four blades properly pitched for efficient air move ment; five sizes: 24-30-36-^2-48 in. *r-U. s. Pat. Off. Niteair* Panel Unit LA U Fan Catalog gives you complete details. Writs for it. 207