Chapter 11-BOILER FITTINGS AND CONTROLS 



MAIN STEAM 

 OUTLET 



SUPERHEATER 

 PILOT VALVE 



DRUM VENT 



STEAM GAGE CONNECTION 



SURFACE 

 BLOW VALVE 



ACCESS PANEL 



SLIDING SADDLE 



(SIDE WATER 

 WALL HEADER 



BOTTOM BLOW VALVES 

 (SIDE WATER 

 WALL HEADER) 



DRUM VENT 



DAMPER 



STATIONARY SADDLE 



(SIDE WATER 



WATER HEADER) 



38.233 



Figure 11-11.— External fittings and connections on 1200-psi single-furnace 



boiler (furnace side view). 



285 



