Chilled water coils are tube fin heat exchangers consisting of 2 to 12 rows of imported round seamless tubes. Usually that passes through sheets of formed fins (corrugated or plate type), bonded through tube expansion (1500-1800 PSI). The expansion of the tubes provides a permanent metal to metal bond with fins for efficient heat transfer. Fin collars are fully drawn to provide accurate control of fin spacing and maximum contact with tubes. Fins are available 6 to 14 FPI with seamless die formed collars. Our chilled water coils come with various tubes & fins materials option like copper, cupro-nickel, aluminum and stainless steel to match the performance requirements and level of corrosion resistance needed for different application.