9L NHW-350 Water Circulating Cooling Tank for welding machine 1.Tank Capacity:9L 2.Drive Motor:150W 3.OEM ... 4.CE 9L NHW-350 Water Circulating Cooling Tank for welding machine Advantage1. Adopting the quality pump, water raising capacity is very ... the the equipments, which needs to be cooled of gas welding torch, cutting torch, welder,cutter.5. It has the quick ...