IDF – Induced Draft Fan
FDF – Forced Draft Fan
IDF-GR - Gas Recirculation
IDF-DSA - Double-stage axial
IDF-C - Cement industry
IDF-AS - Aluminum industry and Sinter Plants
IDF-H - Hot air
MF - Mill Fan
FDF-S - Special
FDF-FB - Fluidized bed
FDF-CR - Corrosion-Resistant
FDFB-HP - High pressure
FDFR-HP - High pressure
FDF-BM - Bowl Mill
FDFB-H - Hot air
FDFB-HHP - High pressure
FDF-HP - High pressure
FDF-DSA - Double-stage axial
FDF-AX - Axial
FDF-NPP - Nuclear Power Plant
EXH - Exhauster
Special marks:
B - Backward-Curved Blades
S - S type blades
R - Radial blades
GR - Gas Recirculation
C - Consistent Grease
OG - Oil-Gas
LD - Louver Damper
F - Forced
M - Modified
CB - Common Base plate
V - Vibration isolation mount
A - Aluminum industry
HP - High pressure
N - Narrowed
U - Unified
EB - Extra blades
SS - Stainless Steel
St - Steel