Chapter 9-MACHINERY ARRANGEMENT AND PLANT LAYOUT 



MACHINERY ROOM NO. I 



ASTERN THROTTLE BYPASS 

 ASTERN THROTTLE 



MAINGACE BOARD 



H-P TURBINE NO I 



AHEAD NOZZLE VALVES 



AHEAD GUARDIAN 



AHEAD GUARDIAN BYPASS 



z 

 o 

 o 

 oc 



a. 



z 



Zi 



o. 



©- PRESSURE GAGE 



<Sy- SUPERHEATER PROTECTION DEVICE 



©- THERMOCOUPLE 



®- THERMAL ALARM 



®- THERMOMETER, DISTANT READING 



C3- THERMOMETER, DIRECT READING 



HI- ORIFICE 



J3^ STRAINER 



Figure 9-13.— Main steam system, CA 139 class— Continued. 



38.9.2 



209 



