431 / | HD | COMBUSTION |
207 | DF | HEATED LINE SECTION FEEDS FLAME HOLDER {19} |
218 | DF | .~ Basin for burning liquid fuel heats feed line section {3} |
220 | .~.~ Separate basin and flame holder fuel lines {1} | |
221 | DF | .~.~.~> Valved branch of flame holder feed line feeds basin |