forged CS case with seven impellers Inlet pressure is 904.4 psia, inlet temperature is 100 degrees F Cooling water temperature is 85 degrees F and after intercooling is 100 degrees F The compressor rpm is 10,440, with a bhp of 7353 The first critical speed is 6,800 rpm This compressor has up connected intake and discharge flanges The suction nozzle is 10" and the discharge nozzle is 8" This compressor has three ring oil seals, and shares a lube oil system with other units in the train Originally driven by a steam turbine (not included).