431 / | HD | COMBUSTION |
159 | DF | FUEL DISPERSER INSTALLED IN FURNACE {10} |
161 | DF | .~ Furnace heated feed line section {4} |
166 | .~.~ Section feeds oxidizer to disperser or through disperser furnace wall opening {1} | |
167 | DF | .~.~.~> Section is furnace wall cavity leading to disperser |