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ADDITIONAL INFORMATION <br /> Typical Applications Alternative Selections <br /> The NC Series tower is an excellent choice for normal In addition to the NC Series, Marley offers a full scope of <br /> applications requiring cold water for the dissipation of heat. products in various designs and capacities to meet the <br /> This includes condenser water cooling for air conditioning, special demands of specific applications. <br /> refrigeration, and thermal storage systems, as well as their <br /> utilization for free - cooling in all of those systems. The NC Corrosion Resistance <br /> Series can also used in the cooling of jacket water for o QuadraFlow fiberglass and stainless steel con - <br /> engines and air compressors, and are widely applied to struction assures long; service life in virtually any <br /> dissipate waste heat in a variety of industrial and manufac- environment. Five -year full product warranty. Efficient <br /> turing processes. PVC film fill. Uniquely different and architecturally attrac- <br /> Being constructed of stainless steel and other inert tive. Similar capacities to the NC Series. <br /> materials, the NC Diamond Series can be confidently ° Sigma' Series — available in wood, fiberglass, HDG <br /> applied in unusually corrosive processes and operating steel or stainless steel structure. Field- erected for medi- <br /> environments. However, no single product line can answer um to large projects. Available in a wide range of sizes. <br /> all problems, and selective judgement should be exercised Efficient PVC film fill. <br /> in the following situations Splash -Fill Towers <br /> Applications Requiring Alternative o Series 10 / Series 15 —wood structure, fiberglass <br /> Cooling Tower Selections casing, with splash- typeifill. Similar capacities to Sigma <br /> Certain types of applications are incompatible with any series towers. Proven in hundreds of installations. Ex <br /> cooling tower with PVC film fill — whether NC Series or a cellent in "dirty water" situations. <br /> competitive tower of similar manufacture. PVC is subject to World Wide Web <br /> distortion in high water temperatures, and the narrow <br /> passages typical of film -type fill are easily clogged by turbid 0 www.marleyct.com — visit Marley on the web for a <br /> or debris -laden water. Some of the applications, which call complete list of products, services and to find your <br /> for alternative tower designs are: nearest sales representative. <br /> o Water temperatures exceeding 125 °F — adversely <br /> affect the service life and performance of normal PVC fill. <br /> o Ethylene glycol content — can plug fill passages as <br /> slime and algae accumulate to feed on the available <br /> organic materials. <br /> • Fatty acid content — found in processes such as <br /> soap and detergent manufacturing and some food pro- <br /> cessing —fatty acids pose a serious threat for plugging <br /> fill passages. <br /> o Particulate carry over —often found in steel mills <br /> and cement plants —can both cause fill plugging, and <br /> can build up to potentially damaging levels on tower <br /> structure. <br /> • Pulp carry over — typical of the paper industry and <br /> food processing where vacuum pumps or barometric <br /> condensers are used. Causes fill plugging which may be <br /> intensified by algae. <br /> aj Marley Cooling Tower <br /> A United Dominion Company <br /> The Marley Cooling Tower Company <br /> 7401 W 129 Street • Overland Park, KS 66213 • 913.654.7400 <br /> email: info@marleyct.com • www.marleyct.com <br /> In the interest of technological progress, all products are <br /> subject to design and /or material change without notice. <br /> ©2000 Marley Cooling Tower Printed in USA <br /> TECH NC 00 <br />