ITW Vortec’s Personal Air Conditioners (PACs) use a compressed air supply and vortex tube technology to keep workers comfortable in extremely hot environments. With no moving parts, the vortex tube, which is connected to the Diffuse-Air Vest, spins compressed air to force a simple heat exchange that produces cold air to 60°F below the inlet temperature. The vest allows full range of motion. ITW Vortec, Cincinnati, OH.

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