Used Ingersoll Rand Cylinder Type RDS Gas Compressor, Serial #Y6R5325, Bore 11.5" in 292.1 mm, Stroke 5.5 in 139.7 mm, Rated Discharge Press 600 PSI @ 42.2 kg/cmg, Maximum Allowable Working Press 600 PSI @ 46.4 kg/cmg, Maximum Allowable Discharge & Gas Temperature 350F or 177C, Maximum Cooling Water Pressure 75 PSI @ 5.3 kg/cmg, Inlet Valves R-51560-A, Outlet Valves R51563-A.