The smoke ventilator is a kind of anti-smoke facility used for building exhaust and supply air. It plays a very important role in the ventilation and lighting system of modern industrial plants. Smoke vents are divided into electric smoke exhaust ventilator, fire smoke hatch skylight, etc. Among them, the fire-fighting linkage electric lighting and smoke vent skylights are equipped with a fire damper, which is generally installed on the smoke exhaust pipe. Fire dampers play an indelible role in smoke exhaust and fire prevention. Therefore, the maintenance of smoke vent rooflight's fire dampers is also extremely important.

Precautions for maintenance of electric smoke ventilator fire damper:

1. The lubricating oil pipeline of the electric roof vents fire damper should be inspected once a year. If the oil pipeline is broken or the thickness of the inner wall of the pipeline is less than one millimeter, a new one should be replaced in time.

2. If the fire damper is mechanically sealed, the fire damper must be inspected for grinding damage within one year, and if it is broken, it should be replaced in time.

3. If the machine that slows down uses a skeleton rubber seal, it should be replaced once within a year.

Precautions for maintenance of electric smoke ventilator fire damper:

3. If the machine that slows down uses a skeleton rubber seal, it should be replaced once within a year.