YBF2-B series motors are made to match BT35-11 series axial ventilator. The safety performance conforms to the standard of GB3836. 2-83. It is manufactured incorporating advantages of same kind motor in the world, and features preventing inner explosion out spread meanwhile with high efficiency, much temperature rise tolerance, low noise and good performance of starting, running.
The explosion proof mark is dI, dIIAt4, dIIBt4.