Description
These models are similar to SBU and SFU. Their diffrence is that they have a double propeller.
These models are mostly used in air handling units or as an air supply unit.
Note:
IDBU & DFU = 2I SBU & SFU
CDBU = 2C SBU
ADFU = 2ASFU
Double Inlet Backward Curved Utility (DBU)
Double Inlet Backward Curved Utility: From 225 – 999 mm wheel diameter & air delivery 400 – 80,000 m3/h.
