Document KzDv90aj0395xVZ6Q2oVm65v6

Air System Equipment * m&Gma Air Dlffasetg CONNOR ENGINEERING CORP. Danbury, Conn. Representatives in O'draft* All Principal Cities adjustable dip diffusers Is Canada: Douglas Engineering Co., Ltd., Montreal, P. Q. CONTROLLED AIR DIFFUSION Kno-Draft Adjustable Air Diffusers are designed to give accurate control of air distribution, plus installation and opera tion economies. With air direction and air volume adjustments on each diffuser, "custom made" air patterns can be created after instaUalion which will in sure draftless diffusion and equalized temperatures for comfort conditioning or specific patterns for industrial proc esses. 7Vp KDA forsupplyair. Type SRD Jot combination Installation, balancing and inspection Aluminum, sizes 4 to $6 in. supply and return air. Sizes 6 to 84 in. supply neck neck dia. Capacities SO to Capacities SO to 8,500 cfm per unit, return neck are fast because of features like the Type HD quick-opening set-lock assembly, the self-contained inner unit and the sleeve- IS,000 cfm per uniL area 75% of supply. type damper. Kno-Draft Diffusers are geometrically proportional, size for size, insuring like re sistance at like neck velocity for any size--"a considerable advantage when selecting various size diffusers for a common system. Anti-Smudge Cone Where exceptionally sooty or dusty air conditions are expected or where roughtextured ceilings are employed, the use of this accessory cone is recommended. It furnishes the additional control needed to provide the precise air sepa ration which inhibits smudging. Square Diffusers Diffuser with anti-smudge Oifftiaer and Cans separated Kno-Draft Square and Panel-type Air Cone assembled Diffusers with built-in volume control and precision circular air patterns are engineered to give the utmost in air dis tribution efficiency. Designed for installation in modern acoustical ceilings their simple geometri cal lines complement the inherent beauty of the ceiling pattern, creating a uniform effect that is pleasing to the eye. Utmost flexibility of installation is an outstanding feature of the Panel-type diffuser. By use of special patented flex ible tubing the diffuser need not be lined Integrally stamped Panel Type diffusers shown in Type KP far instaactim in acoustical ceilings. 4 up with duct and may even be installed stalled in Acousti-Line ceil to 14 in. neck dia. *** in adjacent bays. Entire offices, partittions and floor areas may be relocated ing. Sizes available, 4 in. to 6 in. neck dia. with capac ities from 75 to 175 cfm. Capacities from 50 to 1 cfm. without moving ductwork. Kno-Draft Diffusers are covered by U.S. Patents Nos. 8,565,867; 8,569,119; 5,458,189 and others pending; Cano dian Patents Nos. 459J806; 443,855. 1422 Connor Engineering Corp. Registers Air System Equipment and Grilles Air Diffusers HIGH PRESSURE AIR DIFFUSION In 1949 Connor Engineering Corp. was among the first to supply units for large high pressure diffuser installations. Since that time, the company has been con tinuously active in the development and use of high pressure systems. High pressure techniques are now applicable to almost every type of proposed or existing structure. High pressure air transmission systems using Kno-Draft high pressure air diffusers are installed and operating satisfactorily in office buildings, hotels, hospitals and schools. The air outlets are of utmost importance to the successful operation of a high pressure system. located directly above the occupied areas, they must perform in a completely satisfactory manner if the system is to be a success and its potentialities fully realized. Various high pressure dif fusers are required to satisfy all job re- r .--;i.;.rrrr quirements. Different outlets are necessary for different systems; also, *.tm different installations require different methods of air distribution. The illustra tions show two of the many types of Kno-Draft high pressure diffusers. The HPC-J was the first high pressurexH_is_PerCf-oJr High Prssure Difexposed duct in Cutaway view of HPR-KA showing internal construc diffuser made by Connor Engineering staOaZion. tion. Corp. The one shown is the result of improvements that have been made over the years. This diffuser was specifically designed for use on exposed ducts in existing department stores and office buildings with particular emphasis on achieving a neat, unobtrusive appearance. The HPR-KA is one of the most silent high pressure diffusers made. The cutaway illustration shows internal construction including the damper mechanism and sound trap. The damper is a perforated cylindrical type patented by Connor Engineering Corp. It is used in all Kno-Draft high pressure diffusers. The inlet tube and per forated cylinder are fabricated from one piece of corrosion resistant, stainless steel. An adjustable felt-edge piston seals the cylinder. Changes of position increase or de crease the number of perforations exposed and thus vary the air delivery of the unit. This cylindrical perforated damper has many advantages: it is quiet, simple in construction, self-cleaning, and permits both a complete and positive shut-off together with a wide open position where unavoidable construction dirt can pass through the damper mechanism. The sinuous sound trap is another patented development. It absorbs both low and high frequency noises and the carefully de signed contours prevent turbulence and noise generation. Kno-Draft high pressure units are also available in dual-duct models which feature the same unique construction. Provision is made for operation of the dampening mechanism by pneumatic motors. Free Handbooks on Air Diffusers Complete information on Kno-Draft "tgh pressure diffusers is contained in the newly published Bulletin K-3S. This manual also answers many , of the Questions about high pressure air trans mission and contains complete detailed information for designing these systems Bulletin K-20A contains complete information on the standard line of vno-Draft low pressure diffusers. The Kno-Draft High Pres sure Bulletin K-33 gives complete technical data on high pressure systems and diffusers. Kno-Draft Adjustable Air Diffusers and their operating characteristics are fully described in Bul letin K-Oi-A. unique characteristics of these single-jet, high velocity diffusers makes them ideally applicable to low pressure installations. Either of these bulletins may be obtained y writing on your company letterhead to: Connor Engineering Corp., Dept, Y29, aobury, Connecticut. See pages 1316 and 1317 for data on Dcrrex Air Recovery and Air Purification Equipment. 1423