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Nov 2015  
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System monitors and controls coolant concentration
Automatic Coolant Concentration Control
Coolant Application Equipment - Automatic Coolant Concentration Control


5944 East N Ave.
Kalamazoo, MI 49048


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July 2014 - PRAB Inc. introduces an exclusive new feature for monitoring and controlling coolant concentration in its Guardian Coolant Recycling System. The AC3 (Automatic Coolant Concentration Control), continually monitors coolant concentration levels and adjusts automatically to maintain programmed ratios within +/-0.5% accuracy. The system achieves this critical balance by taking continuous concentration measurements using an automatic refractometer. The readings are analyzed by a series of algorithms built into the exclusive software package. The intelligence automatically determines action; opening and closing valves, and turning on and off a pump delivery system.

"Industry has long sought an economical solution for automatic concentration control. We developed the AC3 for those customers seeking to improve the performance of their coolant chemicals, which in turn improves tool life and lowers operational costs," states Tim Hanna, Managing Director of PRAB Fluid Filtration Division.

The AC3 works exclusively in conjunction with the PRAB Guardian Central Coolant Recycling System. The Guardian uses a comprehensive coalescing filtration process, effectively removing mechanically dispersed tramp oils to 0.1% or less. The Guardian Coolant Recycling System has demonstrated a reduction in haul-away costs by 90%, and has lowered new coolant purchase up to 75%. Payback on equipment purchase is typically 6-9 months.

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