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EQUIPMENT NEWS PS Gas-fired unit solves makeup air problems Hermetic compressors need no outer cooling Push-button start-stop 49 Direct gas-fired units capable of handling air volumes from 3800 to 51,000 cfm, with heating capacities from 375,000 to 5,250,000 Btu per hr are now available. Heavy gauge braced steel plate pan foundation pro vides a rigid, vibration free support for fan housings, bearings and rotat ing assembly.--Clarage Fan Company Just circle numbers on the Reader Service card, page 169, to get complete product story 10 High-speed, two-pole hermetic compressors requiring no external cooling devices range in size from 1/5 to 1/3 hp. All moving parts are' balanced to assure minimum noise. Fluctuations up to 15% from the rated voltage can be tolerated. They are available in 115 and 220 v. -- ! Danfoss Inc ,,j Dissimilar metals can be welded We've been called an in an open floe trap. We wei If the man know what t) decided, aftc it's probably buyers don't cither. So w basics and i simply as w spray gun uses gas 48 Spray gun uses acetylene, propane, hydrogen, natural or manu factured gas to spray anti-corrosion coatings of zinc, aluminum, lead or tin. A push-button automatically starts and stops wire feed and a snubber device prevents wire from accidentally pulling out of the gun. --Metco Inc Rotary water cooling towers 16 With the tip speed of the rotor maintained at 1200 fpm and the high velocity turbulent air at up to 2000 fpm, this rotary water cooling sys tem features small space, low sil houette. It is fireproof, light weight, corrosion resistant and easily main tained.--Vol-Air, Inc 26 By using this friction welder which spins one piece of metal, at up to 5400 rpm, against a stationary piece, you can join a wide variety of metals. When the surfaces become plastic due to friction, the revolving piece is stopped immediately and pressure is applied to form a perfect, clean weld. -- American Machine & Foundry Co tv continued he wants ce. teristics. Thr are, and alw to be as fol sate dischar. discharge a: -. high air This gene static" impj float trap. ) float and th aware that verted buck ebaracterisi tap, not tl tatic trap. LEATHER PACKINGS MECHAN1PAK* MECHANICAL SEALS CHEVRON* PACKINGS LATTICE BRAID' PACKINGS THESE REGISTERED the se/ *od-thermo TRADEMARKS ARE YOUR *he conden a balanced ASSURANCE OF QUALITY >1 vent, whic. charge por: .^pn-condcr Charges They cover a variety of products, but these respected trademarks have one thing in common. The products they represent are all designed, engineered and manufactured by Garlock to the highest standards of quality. Seventyfive years of know-how, seventy-five years of progressive manufacturing capability are behind them. Each carries temperatur .'`Sardless < r Now! St densate co direc [j-tasumpti. the Garlock Warranty . . . your positive assurance they will satisfactorily perform the service for which they are designed. Because of the product integrity each of these Garlock trademarks represents, we ask that they be used properly at atf times ... and never merely as descriptive or generic terms for related products. Remember, when you see products with these trademarks, they are made by Gar lock , . . and only Garlock. possi' Unit hv *8 coils, ; the lened-buc 'is float it op |Conden$at GUARDIAN' GASKETS KLOZURE OIL SEALS Registered in the United States Patent Office and the Canadian Trade Mark Office. Garlock lnc,, Palmyra, N. Y. In Canada: Garlock of Canada Ud., Toronto, Ont. Order from the complete line of quality Garlock products . . . Packings, Gaskets, Seals, Molded and Extruded Rubber, Plastic Stock and Parts. This is A separ and Inr niediat' sible. f Perati sate h feachi, 200 ps '6R 114 For more facts circle 283 on Reader Service card, p 169 POWER JULY 19* i