Recold Copper Coil INSIGHT Lenntech info@lenntech.com Tel. +31-152-610-900 www.lenntech.com Fax. +31-152-616-289 Overview Copper heat-exchange coils, used in every Recold Fluid Cooler and Evaporative Condenser, provide many distinct advantages. Primary Benefits • • • alfthecorrosionrateofcarbonsteelinclosed H systems, translates into potentially longer product life Seventimesgreaterthermalconductivitythan carbonsteel,allowsforsmallerequipmentsize andlessequipmentweight Easiersystemcircuitchangesorrepairs,withno weldingrequired Greenerproduct Benefit Detail Longer Equipment Life: • • • • hermalconductivityofcopperismorethanseven T timesthatofcarbonsteel,enhancingheattransfer Smallerequipmentsize Lowerequipmentweight more 5 COPPER 4 CARBON STEEL 3 2 1 CLOSED SYSTEM OPEN SYSTEM Adaptedfrom Standards for Corrosion Rates, BennettP.Boffardi,Ph.D.,FNACE THERMAL CONDUCTIVITY (Btu/h·ft2·°F) opperprovidessuperiorcorrosionresistance, C extendingequipmentlife • Coppermaintainssystemefficiencybetterwith time • Coilscanbedrainedasoftenasnecessary Greater Thermal Efficiency: 6 MILS (.001) PER YEAR • 250 200 150 100 50 COPPER CARBON STEEL STAINLESS STEEL Copper Coil INSIGHT Benefit Detail History ecoldhasmanufacturedheatexchange R equipmentservingrefrigeration,HVAC,and industrialapplicationsforover75years.Forthe bestvalueinevaporativecoolingequipment,insist onaRecoldheattransfercoilmadefromcopper. $3.00 COPPER CARBON STEEL $2.00 $1.00 2005 2006 2007 2008 2009 2010 SALVAGE VALUE Key Contacts • • Refrigeration applications: Mike Lloyd mike.lloyd@spx.com HVACapplications:JonWalker jon.walker@spx.com 300 VOLUME (GALLONS) • $4.00 DOLLARS PER LB Easier to work with: • Coppercanbebrazed,unlikesteelwhichhasto bewelded • Coppercoilscaneasilybecircuitedtoseparate multipleloadswithinthesameunitifdesired Green material: • Recyclableattheendofitsusefullife,potentially resulting in a higher salvage value per pound than steel • Copperisnaturallybacteriostatic(inhibitsbacteria growth) • Lessprocessfluidsrequiredbecauselessheat transfersurfaceisneededforthesameamountof cooling 250 200 COPPER STEEL Internal coil volume typical of a 100 ton forced-draft fluid cooler | Lenntech info@lenntech.com Tel. +31-152-610-900 www.lenntech.com Fax. +31-152-616-289 spxcooling@spx.com | spxcooling.com Contact your Marley Sales Representative at spxcooling.com/en/sales/ In the interest of technological progress, all products are subject to design and/or material change without notice. ©2011 SPX Cooling Technologies, Inc. | Printed in USA IN-RC-10