New fluid, and new fluid technology make this machinery safer and more productive while extending service life. Press-hardening operations have all the elements of a fire hazard: hot surfaces, pressurized mineral oil in the hydraulic systems and the proximity of hot surfaces to the pressurized oil. If the oil ignites, it can create a torch-like, exploding fire resulting in significant equipment damage and even the loss of life. As dangerous as mineral oil is in this environment, it is the standard "first fill" for OEMs due to its inexpensiveness and availability. Nearly all press-hardening hydraulic systems in service today are filled with a hydraulic fluid that presents a considerable fire hazard. Even though press-hardening operators are concerned about the risk, many are not aware of safer, more cost-effective hydraulic-fluid alternatives.
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