Large-Capacity Draft Fan Overview
The GY6-51 series is not positioned as a small boiler-room blower. It is used for larger steam boiler draft systems where airflow volume, pressure head, flue gas resistance and long-term operating stability must be considered together.
The series can be used for forced draft and induced draft systems of 2t/h to 670t/h steam boilers. It also meets the high-pressure head requirements of fluidized bed boiler systems and can be used in dust removal, mine ventilation and general ventilation projects when the working conditions are suitable.
Performance Envelope
Suitable for large boiler draft systems requiring high-volume air or flue gas movement.
Designed for boiler systems with higher duct resistance and fluidized bed boiler draft requirements.
Motor configuration can be matched according to model, speed, operating point and site conditions.
Different speed ranges are available to balance airflow, pressure, motor power and system efficiency.
Where GY6-51 Is Different
With No.8D to No.29.5D models, the series covers a broader range of large-capacity boiler draft requirements instead of only small industrial boiler room applications.
It is suitable for boiler flue gas systems, fluidized bed boilers and high-resistance duct layouts where ordinary ventilation fans cannot provide enough pressure margin.
The fan uses a D-type cantilever structure, with the motor and fan connected by an elastic coupling for reliable transmission in large-power applications.
Working Medium and Operating Limits
Model Range by Machine Number
The following data summarizes representative model ranges for quick comparison. Final selection should be confirmed according to the actual operating point, boiler capacity, duct resistance, flue gas condition and motor configuration.
Typical Project Conditions
Selection Information Required
For GY6-51 model selection, please provide the actual boiler draft operating point and installation conditions. This series should be selected by airflow, pressure and system resistance rather than by model number alone.
Need a Large-Capacity Boiler Draft Fan Selection?
Send us your boiler capacity, airflow, pressure, flue gas temperature, impurity concentration and installation requirements. Qiyue Fan can help recommend a suitable GY6-51 large-capacity boiler draft fan.
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