New Hydra air-cooled circulator from IMS can both heat and cool molds without external water, sewer, and cooling tower costs.

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New Hydra air-cooled circulator from IMS, Chagrin Falls, Ohio, can both heat and cool molds without external water, sewer, and cooling tower costs. It uses a copper and aluminum finned-tube heat exchanger with a large fan to cool a water/glycol mixture circulated in a closed loop from an isolated tank. This makes the mold circulator self-sufficient and particularly suited for plants with limited or poor-quality water. Use of glycol virtually eliminates corrosion of expensive tools, IMS says.

The system comes with a stainless-steel pump, heating element, and 12-gal tank, plus automatic low-fluid-level electrical shutoff to protect the pump and heater, and a PID temperature controller accurate to ±1° F.