Aetna Ventilation Equipment Co., Ltd. Shandong Zibo best fans, centrifugal boiler ventilation Equipment Co., Ltd. Shandong Aetna induced draft fan adapt various coal burning with smoke and dust removal device (1 ~ 20t / h) supporting industrial boilers design. Where the inlet conditions can be quite the performance but also to adapt can be selected. The maximum temperature should not exceed 250 ℃, induced draft fan must be installed before the efficiency of not less than 85% of the dust removal device to reduce the dust content of flue gas into the fan in order to facilitate the increased fan life