The vortex tube in the EXAIR Cabinet Coolers are constructed of stainless steel. The wear, corrosion and oxidation resistance of stainless steel assures long life and maintenance free operation.
Cabinet Coolers maintain NEMA 4 are dust-tight, splash resistant and for indoor/outdoor service. NEMA 4 Cabinet Coolers incorporate a low pressure relief valve for both the vortex tube and the Cabinet Cooler exhaust. The valve closes and seals when the Cabinet Cooler ist not operating to maintain the NEMA 4 integrity of the NEMA 4 enclosure.