FDFB-12.5-G

General information
Equipment type:	Forced draft fan
Name:	FDFB-12.5-G
English name:	VDN-12,5G
Notes:	Backward curved blades. Running wheel on the electric motor shaft.

Description for FDFB-12.5-G
Single inlet centrifugal FD Fans are used for air delivery into combustion chambers of boilers with the capacity of 2.5- 950 t/h operating with balanced draft (secondary blast). It is allowed to use these fans in processing systems to handle air with the temperature not more than 70 °C. Single inlet centrifugal FD Fans can have right-hand or left-hand rotational direction. The right-hand rotation is in a clockwise order and it should be defined at electric motor side. The blades of impeller are backward curved.

Description for FDFB-12.5-G

Single inlet centrifugal FD Fans are used for air delivery into combustion chambers of boilers with the capacity of 2.5- 950 t/h operating with balanced draft (secondary blast). It is allowed to use these fans in processing systems to handle air with the temperature not more than 70 °C. Single inlet centrifugal FD Fans can have right-hand or left-hand rotational direction. The right-hand rotation is in a clockwise order and it should be defined at electric motor side. The blades of impeller are backward curved.

Aerodynamic characteristics
Capacity:	39	ths. m³/h
Total pressure:	5400	Pa
Temperature:	30	°C
Efficiency:	83	%

Dimensions*
Length (L):	3060	mm
Width (W):	1875	mm
Height (H):	2070	mm
Weight:	2275	kg

Electric motor
Actuator power^?:	110	kW
Rotation frequency:	1500	rpm
Moment of inertia:	35,12	kg*m²

Overall drawing FDFB-12.5-G ^*
* Dimensions may vary depending on the electric motor model, customer requirements and design constraints.

Railway delivery options
Platforms:	1
Wagons:	0
Transporters:	0

Additional components
Actuator:	250	Nm

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