The presence of hardness salts (calcium and magnesium ions) in the make up water supplies to boilers, cooling and process waters can have a serious impact on their performance. Loss of heat transfer in boilers and poor cooling in re-circulating cooling systems results in an increase in both energy and water consumption, and an increase in operating costs. The reliable Derwent standard range effectively removes these hardness salts and provides a valuable return on your investment. Standard range: - Model 132 - Water Softeners up to 5m3/hr - Model 230/250 - Water Softeners up to 15m3/hr - Model 360/LF - Normal-Flow Water Softeners up to 20m3/hr - Model 360/HF - High-Flow Water Softeners up to 50m3/hr