The explosion-proof performance of FAG explosion-proof exhaust fan is made according to the provisions of GB3836.1-8 "General Requirements for Explosion proof Electrical Equipment for Explosive Environments" GB3836.2-83 "Explosion proof Electrical Equipment for Explosive Environments - Explosion proof Electrical Equipment" d ". The explosion-proof mark is dIIBT, suitable for Class II, A, B, Grade T1, T2, T3, T4, temperature group, explosive environment formed by combustible gases and air. This product has the advantages of reliable explosion-proof performance, high air volume, low noise, and low power consumption.