In our DCU plant, we have 2 nos of FD fans (identical) for supplying combustion air to the burners with the following data :
Flow : 10.896 m3/sec, Static pressure :4700 pa (479 MMWC), Rated power : 61.25 KW
Temp : 35C, RPM : 980, Motor rating : 75KW. Impeller type : Backward curved.
Each fan...