So I decided this would be a good machine to try the SFR oil in. After using a flushing oil. We changed all the filters and filled the machine with SFR compressor oil and SFR Fortifier. After running this oil for approximately 3000 hours we decided to conduct an energy audit on all the air compressors to compare the SFR to the other oils used. To my surprise the current amp draw on the other 150 h.p.
Air compressors run in two modes, loaded and unloaded.
This means that in the loaded mode, the machine is pumping air into the system. In the unloaded mode the machine is not pumping, kind of like your car when it is in neutral. The unit running without SFR was drawing 103 amps in the unloaded mode, while the machine with SFR oil was running 82 amps in the same mode. The pressure differential switch had failed and the unit continued to run with high pressure, high volume air being introduced into the oil sump. The machine ran this way for approximately 2 hours as close as we can tell.