NOZZLE MIX SYSTEMS
air
manometer
16 osi
combustion chamber
16 osi - (-2 osi) = 18 osi burner capacity
*
EFFECT OF PRESSURE OR SUCTION IN COMBUSTION CHAMBER ON BURNER CAPACITY WITH NOZZLE-MIX BURNERS If there is a 2 osi suction in the chamber, this 2 osi is added to the 16 osi air pressure and burner capacity should be based on 18 osi. If there is a 2 osi positive pressure, it should be subtracted from the 16 osi air pressure and the capacity should be based on 14 osi.
* See page 9
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