Spindle chiller unit CW-5300 is best suited for 18kW CNC milling spindle in need of proper thermal management. This air cooled water chiller unit uses a high performance water pump to circulate water between the chiller and the spindle. Available in 220V or 110V, recirculating chiller CW-5300 can cool down the stator and bearing outer ring of the spindle effectively and at the same time keep a low noise level. The disassembly of side dust-proof filter for the periodic cleaning operations is easy with fastening system interlocking.