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BDFS, BBFS1 - Flameproof exhaust fans
Brief introduction：
● BDFS, BBFS1-□ explosion-proof exhaust fans are certified by the national CQST explosion protection and can be used in the hazardous area Zone 1 and Zone 2 locations classified by GB3836.14.
● Suitable for the electrical control of explosive gas mixtures in the oil, chemical, military, power, marine and other industries under the normal working environment with the classification according to GB3836.1: IIA, IIB, IIC, temperature groups T1 ~ T4 Room, operation room, driller room, analysis cabin, production workshop, dangerous goods warehouse and other places for ventilation.