Ammonia Compressor C/T 20571. Inlet Casing Design Pressure 2500 PSIG, Outlet Casing Design Pressure 2500 PSIG; Outlet casing Design Temperature 450 Degrees F 1sr Critical speed 5300 RPM, Maximum Operating Temperature 380 Degrees F; Test Inlet Pressure 3750 PSIG; Test Discharge Pressure 3750 PSIG. NOTE: Used in train with turbines #206300 & 206301, and Compressor # 206303