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Air System Equipment Air Filters and Cleaners The Air-Maze Corporation 5200 Harvard Avenue, Cleveland 5, .Ohio AM-MAZC ENGINEERS AND MANUFACTURERS OF AIR FILTERS Direct Factory Representatives in All Industrial Are-as Distributors in principal cities throughout the United States Sound Engineering--As specialists in air filtration, Air-Maze has spent over 20 years of constant research in engineering over 3000 types of filters. The enviable repu tation enjoyed by Air-Maze--the result of long experience in the air filtration field with varied dirt and dust problems--assures soundly engineered filtration. Viscous Impingement Type--Air-Maze viscous impingement, cleanable type air filters are permanently efficient in industrial, commercial and residential air conditioning systems. The filter media consists of alternate layers of crimped, galvanized screen cloth of various mesh, arranged to break up the air stream into minute, swirling currents. Dirt is impinged on the wire baffles, previously coated with an adhesive. Dirt Arrestance--Efficiency of dirt arrestance varies, depending on filter de sign, type of dust, dust feed, etc. In regular service, practically all so-called "nuisance" or "abrasive" type Sdust is eliminated. Resistances -- Filters available with initial resistances as low as 0.045 in. water at 300 fpm. (Graphs showing resistance at various velocities are available for each type of filter.) Face Velocities--Various Air-Maze filters are designed to operate efficiently at any velocity, including 106, 300, 500,1500, and up to 2000 fpm, depending upon appli cation; pressure drop available, etc. Sizes--Air-Maze filter panels are rec tangular in shape and can be made in any reasonable size and thickness. 1 in., 2 in. and 4 in. thicknesses are standard. Spe cially shaped filters are built to your speci fications. Photo at extreme right shows crosssection of selective filtration principle and large dirt holding capacity in typical AirMaze filter panel. In the left-hand photo, a magnifying glass shows the smooth round wire baffles collecting dirt in "streamlines", thus pre senting low resistance to air flow despite heavy collection. Holding Frames--Holding frames, complete with felt seal and choice of lock ing-devices, are supplied when requested. For filter banks, Air-Maze furnishes either assembled frames dr will drill frames for assembly on the job. Cleaning Data--Air-Maze filters are easily cleaned with hot water, steam or any commercial solvent. They are charged by immersing in recommended adhesive or S.A.E. 30-50 oil. Write for Details--Write for complete information and let Air-Maze engineers work with you on your air filtration prob lem. See your classified telephone direct ory for Air-Maze factory representatives or distributors. 1004 Air System Equipment Air Filters and Cleaners The Air-Maze Corporation 5202 Harvard Avenue, Cleveland, Ohio TYPE "A" with holding frame Type "A"--Built for heavy-duty service. Scientific fabrication of media results in open construction, large dirt-holding capacity, without undue increase-in restriction. Type "BM--Recommended for average dirt conditions, or where shorter servicing intervals are acceptable. Kleenflo*--For home unit conditioners and recirculated air systems. Greastop*--Prevents grease nuisance and fire hazards in kitchen ventilating ducts, and reduces blower and motor maintenance by collecting entrained grease in exhaust cooking vapors. Greastops eliminate duct cleaning expense. Trade Mark Registered SPECIAL FILTERS FOR SPECIAL APPLICATIONS Humidifier--Increases humidity for many industrial processes where dry at mosphere may be harmful or present a fire hazard. Effective for evaporative cooling installations. Panels also available for separation of liquids from air stream. Bronze construction. Flame Arrester--Panel open enough to permit air to pass freely, yet will prevent explosion on one side from igniting airgasoline mixture on other side. Excellent for mines, grain elevators, liquid storage installations, etc. Oil Separator--Removes entrained oil, kerosene and other liquids from air. Oil collecting media is removable. Filters . can be applied to exhaust systems in con nection with coolants, cutting oils, degreasers, etc. TYPICAL APPLICATIONS Air-Maze panelfilters . arranged to save space with a maximum amount of air flow. Kleenflo Greastop Flame Arrester A "doghouse*' installation for compressors and enginesusing Air-Maze panel filters. Furnished with or with out weather louvres. One louvre is shown open. 1005