Chemical Processing - August 2007 - (Page 38) PROTECT PUMPS • • • • Dry Running Cavitation Bearing Failure Overload • Best Sensitivity COMPACT EASY MOUNTING • Starter Door • Panel • Relay Outputs MODEL PMP-25 • Adjustable Delay Timers 4-20 MILLIAMP ANALOG OUTPUT UNIQUE RANGE FINDER SENSOR • Works on Wide Range of Motors • Simplifies Installation • Raceway • Wall >> making it work >> Rooftop installation TRUE POWER LOAD DISPLAY TWO ADJUSTABLE SET POINTS CALL NOW FOR YOUR FREE 30-DAY TRIAL 888-600-3247 WWW.LOADCONTROLS.COM Figure 2. The light weight of a plastic tower may make such an installation possible and allow better access to the wind. In some cases an engineered-plastic cooling tower allows users to completely revamp the technologies supporting their cooling systems, achieving greater productivity and savings in the process. “The molded-plastic cooling tower is the only way for us to go, as I was able to eliminate double cooling — which was the case when we had metal cooling towers cooling down chillers for the process water,” says Doug Henderson, project engineer for Cerro Wire & Cable, Hartselle, Ala. “We switched over to plastic cooling towers and they give us enough cold water that we can do the job without any problems and we don’t waste the energy.” Today Cerro Wire & Cable uses four 200–ton Delta cooling towers for four different process areas. Three go through heat exchangers to cool process water, while the fourth cools an open loop that runs through water troughs to cool wire as it is encased with plastic. Bright future As engineers learn to recognize that plastic cooling towers aren’t just for small applications, these towers will continue to expand into areas once dominated by towers made of metal, concrete and wood. For more information on Delta cooling towers go to www.deltacooling.com. CP Dave Jurgensen is national sales manager for Delta Cooling Towers, Inc., Rockaway, N.J.; e-mail him at djurgensen@deltacooling.com. 38 • August 2007 www.chemicalprocessing.com http://WWW.LOADCONTROLS.COM http://www.westernstates.com http://www.deltacooling.com http://www.westernstates.com http://www.chemicalprocessing.com
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