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Should I Choose an Air-Cooled Chiller or Water-Cooled Chiller?
Our Chiller Essentials article explained that chillers circulate cooling water through process equipment to remove heat. When that cooling water returns to the chiller, it transfers the heat away from the chiller to the environment using a refrigerant loop and either an air- or water-cooled condenser. Air-Cooled Condensers Air-cooled condensers...
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The “mismatch” that causes medical tube extrusion problems
Occasionally, I hear from tubing extruders who are having trouble getting the level of precision and quality they want. Some ask if it might be a problem with Conair downstream equipment – like our MedVac® cooling/sizing tanks – or how they are using them. Usually, however, their troubles relate to...
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Portable Chillers Versus Central Chillers: Which is Best?
There are two types of chillers: portable chillers and central chillers. Portable chillers are typically smaller in capacity (30-40 tons or less), simpler in overall design, and lower in installed cost. Equipped with caster wheels, they are easy to move, easy to connect (using flexible hoses), and easy to power...
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Chiller Essentials for Plastics Processors
What is a chiller? A chiller is a heat-transfer device that uses mechanical refrigeration to remove heat from a process load and transfers the heat to the environment. Chillers are used by plastics processors when they need a lower process fluid temperature than a simpler system, such as a cooling...
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The Advantages of Plastics Granulators and Plastics Shredders
Just because plastics granulators and plastics shredders operate differently, and each has different advantages, does not mean that processors have to choose between them. Often, these two size-reduction methods complement each other: shredders perform coarse size-reduction, with scrap subsequently channeled into a granulator for final sizing into consistent, uniform feed...
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The Characteristics of Plastics Granulators and Plastics Shredders
Nearly all of the different kinds of scrap generated in a plastics plant – bottles, sprues, runners, small and large molded parts, film, sheet, pipe, profiles, fibers, purgings – can be processed using either a plastics granulator or a plastics shredder. So, how in a particular application, can you determine...
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The Basic Differences Between Plastics Granulators and Shredders
Granulation, grinding, chopping and shredding are all common ways to describe the specific task of size-reduction of scrap that results from plastic processing. Every plastics processing facility not only produces a certain level of imperfect product that is rejected as scrap, but also generates scrap from starting up and dialing-in their...
By Jim Fisher 
By Ernie Preiato 
By Dave Miller