Explosion Proof Fan Motor, Blower Motor, Three Phase Motor. YBF2-B series Explosion proof fan motor are made to match BT35-11 series axial ventilator. The safety performance conforms to the standard of GB3836.2-83. It is manudactured incorporating advantages of same kind motor in the world, and features preventing inner explosion out spread meanwhile with high efficiency, rapid temperature rising, low noise and good performance of starting, running. The explosion proof mark is dI, dIIAt4, dIIBt4 YBF2-B series fits for T35 flameproof fan. Enclosure class: IP54