What is the difference between explosion-proof fan and ordinary fan

1. Different motors are used, explosion-proof fans must use explosion-proof motors.

2. There are requirements for the material of the impeller and the material of the inner wall of the casing corresponding to the impeller. They are required not to generate sparks in the event of a collision, such as the use of aluminum fan blades and iron inner walls, or iron fan blades combined with the inner wall. Aluminum ring.

3. The explosion-proof blower has a lower limit on the gap between the impeller and the casing. In order to pursue efficiency, fans often have upper limit requirements for gaps, which are contradictory.

4. The explosion-proof fan has stricter requirements on the safety protection at the entrance and exit.

5. Explosion-proof blowers generally do not have wires, and the wiring must be from the explosion-proof wiring cavity.

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