The Marley Difference – Geareducer Sound Levels
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SPX Cooling Technologies is the only major manufacturer whose speed reducer is designed uniquely for cooling tower duty.
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The Marley Difference – Redwood Lumber Grades
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While both appearance and structural grades of redwood lumber are defined by appearance or visual characteristics, they have very different applications. For cooling towers and other structural applications, grading rules for structural grades of redwood establish requirements for strength characteristics such as slope of grain, knot size and frequency, and rate of growth.
The Marley Difference – Pressure Treatment
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Lumber used in cooling tower construction must be treated with a reliable preservative compound to prevent decay. The industry's current preferred treating chemical is Chromated Copper Arsenate (CCA), a waterborne formulation which prevents biological attack by fungi or other microbes. Other preservatives are also available.
The Marley Difference – Fan Cylinders
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The fan cylinder does far more than protect operating personnel from a rotating fan. It is a vital link in the chain of critical components that contribute to the overall efficiency of the cooling tower. When correctly designed, manufactured and applied, it assures that the fan will be capable of moving the maximum amount of air through the tower at the minimum required horsepower.
The Marley Difference – Geareducer Drive
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Marley Geareducers have been manufactured in a variety of sizes and load ratings appropriate for cooling tower applications since the 1930s. We began doing so because geared speed reducers suitable for cooling tower service were not commercially available. Since that time, we have produced well over 100,000 units, and have established an unparalleled record of performance reliability.
Corrosion Protection for Cooling Towers
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The forces of corrosion (as the term is being used in this paper) are those elements or compounds whose natural tendency is to chemically or electrolytically react with a metal, given the opportunity and a proper set of circumstances.
International Glossary of Cooling Tower Terms
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International glossary and cross section of cooling tower terms in five languages. English, Chinese, French, German, and Spanish
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For cooling tower service, any circulating water with more than 750 parts per million chloride expressed as NaCl is generally considered as salt water. However, the effects of chlorides will be much less severe at 750 ppm than they will at higher concentrations.
Cooling Tower Energy and Its Management
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Because of the fuel shortages which began to manifest themselves in the early 1970s, the cost of energy began an asymptotic rise. The level of attention to energy savings has risen as a part of a broader green approach to design, including carbon footprint.
