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FERNSTRUM® GRIDCOOLER® Keelcoolers R.W. Fernstrum & Company has been engineering and manufacturing GRIDCOOLER® Keel Coolers for the marine industry since 1949. Each cooling solution is engineered to meet the requirements of your engine, vessel, and operating conditions. 90/10 Copper-Nickel The copper-nickel GRIDCOOLER Keel Cooler is crafted using heavy walled rectangular 90/10 copper-nickel tubing. This alloy was selected based on its durability, heat exchange abilities, resistance to saltwater corrosion, and natural antifouling capabilities. Enhanced & Smooth Interior Walled Tubing Fernstrum offers two types of surfaces on the interior of the copper nickel tubing, smooth or enhanced. The enhanced surface, a Fernstrum exclusive, is a truncated cone pattern on the interior of the tube generating greater heat transfer. Compared to a smooth walled tube, the enhanced tube increases the heat transfer capability by up to 30 percent. This is especially true in applications where glycol solutions are utilized. The improvement in efficiency may reduce the number or size of the units required for an application. Note: The interior surface of the tubing is determined based on your cooling requirements. 5000 Series Aluminum The aluminum GRIDCOOLER Keel Cooler is designed specifically for unpainted aluminum hull applications in fresh or cold seawater environments. 5000 series aluminum alloy was selected based on its compatibility with unpainted aluminum hulls and saltwater corrosion resistance. The alloy compatibility between the hull and keel cooler prevents pitting and avoids potential damage from interacting metals. Aluminum units are tig welded for durability. For more information on FERNSTRUM GRID COOLERS, please visit https://www.fernstrum.com/products/gridcooler-keel-cooler/ |
