GK-BT35 series explosion-proof axial fan explosion-proof grade: Ex db IIB T4 Gb● The product consists of explosion-proof motors, blades, air ducts, etc;● It has the characteristics of low noise, low energy consumption, and excellent performance;● In addition to being used for ventilation and exhaust, it can also be installed in series at intervals in longer exhaust pipes to increase the pressure inside the pipes; ● The shell material is steel plate; Installation methods: fixed, post type, pipeline type, wall type;● Inlet thread: G3/4/M30~M36; ● Cable wiring; ● Rated voltage (V): AC220, AC380; ● Machine numbers: 2.8, 3.15, 3.55, 4, 4.5, 5, 5.6, 6.3, 7.1, 8, 9, 10, 11.2.