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The 4000 Series tube-fin heat exchangers are ideal for applications where deionized water or corrosive fluids are used and a high performing heat exchanger is required.
The offers better value – 80% of the performance of the 4000 Series at approximately 50% of the cost. Also has lower air and liquid side pressure drops than the 4000 Series. However, when high performance in a small envelope is required, the 4000 Series is the best option.
Heavy-walled, seamless stainless steel tubes are expanded into copper fin with an extruded full collar. The copper fin and the excellent metal-to-metal contact between the tube and the fin collar ensure optimum thermal performance.
All the wetted surfaces are 316L stainless steel, so they are ideal for use with high purity and/or corrosive coolants such as deionized water.
The welded stainless steel frame and fan plate offer durability and strength. Heat exchangers are 100% leak tested to 150 psi (10.3 bar). The Aspen has 0.020” (0.5 mm) wall tubing and the 4000 Series has 0.028” (0.7 mm) wall tubing.
The integrated fan plate acts as a plenum to ensure uniform air-flow distribution through the core, thus maximizing performance. It also enables easy fan installation.
With our Aspen Series, our proprietary manufacturing process expands the tubes into the copper fin without the use of oils and our liquid return design eliminates potential particle trapping sites, which can contaminate cooling fluid. Argon-purged welded joints further ensure cleanliness.
