Frick Rotary Screw Compressor (model no - TDSH193L3402DZ, Nat. Gas, Volume Ratio - 2 2-5 0, Max speed- 4500 RPM, PSIG 375, YR. 2003). Manufacturer - Lock Process System (Toromont) yr. 1995. With Fisher Control Valve; V-100 Primary Oil Separator; V-101 Final Oil Separator; Exactra Controls (model SXI, s/n 8012, Class I Group D-Div.2, 120V Hz.60, Watts 10, Control System Power Watt 10, Max; Foxboro Gauge Pressure Transmitters; Wika Local Mounted Pressure Gages; Det-Tronic Gas Detector/Tranmitters; Nupro Plug Valves. Bill of material and drawings available.