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Closed Loop Cooling Towers

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Because the processed material and the coolant are moved through separate circuits in a closed loop cooling tower system, it is not necessary for the two substances to be compatible as is the case in open systems. Additionally, this isolation eliminates room for contamination which can be harmful to human health and reduce operational efficiency. Although the initial cost of closed loop cooling towers can be greater than other cooling tower systems, the lower maintenance costs make indirect cooling a long-term cost effective option. Read More…

Closed Loop Cooling Towers Closed loop cooling towers utilize a functional design in which the coolant and the process substance are kept completely isolated throughout the cooling process, allowing recirculation without additional filtration. Also referred to as indirect or closed circuit cooling towers, this compact design is very versatile and one of the safest methods of process cooling.
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Leading Manufacturers

Macon, GA  |  800-752-1905

Our cooling towers are heat-transfer units, used to remove heat from any water cooled system. They aid in industries such as plastics, dry cleaning, and more, rely on cooling towers to remove heat from environment or equipment.

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Cooling Tower Systems, Inc. $$$

Rancho Cordova, CA  |  800-916-2445

At American Chiller Service, we are known as “large tonnage air conditioning specialists.” It is part of our business here at American Chiller Service to restore or upgrade your existing cooling towers and evaporative cooling equipment to better meet your needs. We also stock used cooling tower parts from major-brand manufacturers and our technicians can service chiller and cooling tower equipment from brands such as SMARDT, TURBOCOR, YORK, MCQUAY and others. Otherwise, if you prefer to do it yourself, we can help you find the parts.

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American Chiller Service, Inc. $$$

Olathe, KS  |  913-269-5503

Leaders in all-fiberglass cooling towers since 1969, REYMSA offers the most advanced technology on the market for the best value. Our non-corrosive cooling towers are CTI certified, factory tested, easy & economical to assemble & install, low maintenance, durable & lightweight. Induced draft, counter-flow design means a reduced footprint. We exceed expectations with great service & local support.

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REYMSA Cooling Towers, Inc. $$$

Germantown, WI  |  262-255-5611

FURLONG INDUSTRIAL SYSTEMS, INC started out 21 years ago as a service provider of commercial cooling towers, evaporative cooling equipment, heat exchangers and filtration systems. We have evolved over the years to become a one stop shop for all of your cooling needs. And we love what we do!

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Furlong Industrial Systems, Inc. $$$

Houston, TX  |  800-473-9178

At Cold Shot Chillers, we create a number of chilling systems, including cooling towers. Our products are designed for durability and cost effectiveness. Our engineers can easily custom build any machine to fit the needs of a particular application.

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Cold Shot Chillers $$$
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As 100% of fluids are returned to circulation rather than being evaporated, water costs are lowered. Similarly, levels of thermal pollution are lower as there are no exhaust fumes into the atmosphere. The many benefits of closed loop cooling towers allow their use in several commercial and industrial settings such as air conditioner cooling or HVAC cooling towers, water treatment, power generation, plastic and paper manufacturing.

While specific models may vary, the closed loop system works in a manner similar to refrigeration units. An external circuit houses a second circuit which is composed of coils, or tube like bundles. These coils or bundles contain the coolant and are curved or wound to increase the surface space allowing more productive cooling. As the cooled agent is moved through the interior circuit, the hot processed materials flow around it.

The surface between the two is made of conductive materials and acts as a heat exchanger. Heat moves from the process substance to the coolant, thereby lowering its temperature and allowing it to be returned to circulation. After the temperature of the coolant drops back down, it too may be reused. In some systems the placement is reversed and the coolant runs through the exterior channel surrounding the hot fluid, but the general heat exchange process remains the same.

Materials used in the development of industrial cooling towers vary as they need to suit a variety of needs. In general, carbon, stainless steel, copper and ceramics are used because of their conductive qualities and durability. Forced or induced draft techniques may be used to move air or fluids through closed loop cooling towers to increase performance and process efficiency.







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