Document n9emJJVxrnQBYMpko8B6VJZ21

Air Conditioning York Ice Machinery Corporation General Offices: York, Pennsylvania Direct Factory Branches in 71 U. S. Cities Complete Air Conditioning and Refrigerating Systems for maintaining proper atmospheric conditions for industrial pro cesses and human comfort. Available in central and unit sys tems . . . from fractional tonnage up to any capacity required. Coil Type Air Conditioner Floor Type Unit Air Conditioner Freon (F-lt) Refrigerating Unit Vertical Single Acting Freon (F-1S) Compressor - Coil Type Air Conditioner: A self-contained air cooling unit provided with coils for direct expansion of the refrigerant or for circulation of water or brine. Also furnished for ceiling mounting. Coil design insures maximum efficiency. Low speed fans designed for quiet operation. Adapted to thermostatic control with defrosting feature. Spray Type Air Conditioner: Complete self-contained air conditioning unit requiring minimum space and including air washer with refriger ating coil, air heating coils, water heating coils, fan and motor, pump and motor, temperature and humidity con trols, all assembled as a single unit. 1 Floor Type Unit Air Conditioner: A compact, year 'round, unit air conditioner for office, home, restaurant, store .... wherever capacity or building requirements dictate its use. Provides summer cooling and dehumidifying; winter heating and humidi fying. Attractive lines and finish permit it to harmonize with any type of furniture or decorations. Air Washer: .. . Galvanized iron and copper air washers of extra heavy" construction, designed for air conditioning or ventilating duty with water or brine. Washers furnished with or without cooling coils. Adjustable self-cleaning mist nozzles insure maximum humidifying efficiency. Refrigerating Systems for Air Conditioning: Complete refrigerating systems for use with Freon (F-12), Ammonia and Carbon Dioxide. Because refrigeration for air conditioning is essentially a water cooling problem, York has developed properly balanced, standard water cooling systems for this duty. Designed especially for human comfort applications, Freon was selected as the most suitable refrigerant because of its outstanding characteristics.... odorless, non-toxic and non-poisOnous, non-inflammable and non-explosive, non-irritant and non-, corrosive. Freon's thermal properties make it ideally suited for use in vertical single acting reciprocating com- pressors, the standard of sim plicity and efficiency. York Engineering Service: Because of York's vast fund of technical information and operating data in the field of air conditioning and refrigeration, York engineers can offer many helpful suggestions in the solu tion of your problem. Archi tects, Engineers, Contractors and others are invited to avail themselves of this service. 638 Air Washer Air Diffusers and Dampers Knowles Mushroom Ventilator Co. 41 North Moore Street, New York Knowles Air Diffusers for Auditoriums of Theatres, Churches, Schools ORIGINAL----------- RELIABLE----------STANDARD Giving Satisfactory Service in Over 4,000 Installations PRODUCTS:--Cast-Iron and All-Steel Adjustable Mushroom Ventilators; Aisle Hood, Tu-Way Air Deflectors; Round and Oblong Gallery Riser Vents A ero Valve--The Improved Mushroom Air Diffuser The newest Knowles product. An up-to-date mechanically correct .air unit of fixed height made of HEAVY,steel, with strong supports bearing across 1-in. flange. Easy to regulate and install and low in price. Combines high efficiency with convenient adjustment afford ing finest control of air by simply turning screw on TOP of CAP. Can be positively locked at desired adjustment by side screw--is noiseless and made so that it cannot be taken apart before or after installation--an exclusive feature. Quick Anchorage to Wood or Concrete floors in one piece--Made in 6-in. and 8-in. diameter sizes--Same capacities as Nu-Notch type (see table below). Knowles Tkiffffpich Mushroom Ventilator or Air Diffuser The idea! cast-iron mushroom. Head has three outer bearings and is absolutely rigid. Ten recessed notches give close regulation of air. Locked into positive adjustment by tightening head screw with key--a new feature to prevent tampering by unauthorized person. Supplied with dome or flat tops. Three screw holes in floor flange for fastening to wood, or three angle L lugs for setting in concrete, or three tapped holes in floor collar for fastening with set-screws to sleeve. Size y diam. 6' ' V0, ".. 10* " Cu. Ft. per Min. at 300 ft. Vei. 42 60 81 105 165 Area, Sq. Ft. 0.1364 0.1964 0.2673 0.3491 0.5454 Weight Lbs. 3.50 4.25 5.75 8.00 11.75 Specifications--Furnish and install where in dicated on drawings or as hereinafter specified (5-in.), (6-in.), (7-m.), (6-in.).- (10-in.), (Dome Top), (Flat Top), Nu-Notch Cast-Iron Mushroom Air Diffusers with recessed notches for the per manent adjustment of mushroom caps at any desired opening together with center locking screw feature as manufactured by Knowles Mushroom Ventilator Co., New York, N. Y. jOisc~LocKnowles Gallery Riser Ventilators are designed to insure better control of air. Round holes in the gallery risers do not weaken the construction but, on the contrary, with the cast-iron rings it is actually strengthened. The cast-iron grille is quickly inserted and locked -by a simple twist motion--no bolts, screws or springs. Furnished with or without damper to fit same rings. Made in Four Sizes (See Booklet). Tu-Way Air Deflectors are designed to deliver maximum area with minimum fixed height. The air is discharged at both sides along the row of seats. Heavy CastIron-- Ornamental design -- Adjustable double-wing curved damper deflects air down ward. Fine, positive adjust ment--Rattleproof, noiseless. A DEVICE THAT DELIVERS THE FULL AREA OF FLOOR OPENING. Floor opening 6)4 patented by 8)4 inches--Area )4 Sq. Ft. --100 CFM at 300 Velocity. Standard Aisle Hood (Cast-Iron) Air Deflectors are used to throw the fresh air. out into the aisles in one direction. A curved damper reduces friction loss. Large size: 8 in. long, 6 in. wide, 6 in. high; area J4 sq. ft.; Small size: 8 in. long, 4)4 in. wide, 4)4 in. high; area M sq. ft. Send for New Booklet of Complete Engineering Data or Samples 639