This heavy duty FD fan is used as integral part of steam/coal fired/CFB boilers. Made of Q235/Q235 grade steel, this fan can be operated at 10 degree C to 200 degree C temperature range. Driven by 3 phase motor of imported quality, this energy efficient fan deserves praise for its excellent air delivery, high speed rotation and low noise operation. As part of its mechanism, forced draft fan ( FD) supplies required air to the air pre-heater system. This pre-heater collects or captures heat discharged by the outlet of boiler. Offered FD Fan is quick to install and is simple to maintain.