Features Of Explosion-Relief Doors

May 20, 2026

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The explosion-relief device automatically senses the explosion pressure and opens the door at the designed pressure relief level to release pressure and reduce internal air pressure.

It boasts excellent thermal insulation, strong sealing performance, good wind resistance, low noise, and high anti-theft performance.

The door's area can serve as the explosion-relief area, resolving the contradiction of insufficient explosion-relief wall or roof area within explosion-proof zones in some special situations.

It is reusable and can be opened or closed normally after pressure relief.

Explosion-relief doors are suitable for civil buildings such as petrochemical plants, tunnels, warehouses, nuclear power plants, refugees, substations, valuables warehouses, and confidential departments. They are suitable for door openings in reinforced concrete walls (wall thickness ≥ 200mm) and other explosion-proof walls.

 

1. In the event of an explosion, according to the pre-set explosion incident pressure and reflection force, the explosion-relief door can withstand the blast pressure within this range, achieving the necessary protection and preventing casualties and property damage.

 

2. In the event of an explosion, if the pre-set explosive force is not reached, the explosion relief door can still be used normally.

 

3. If an explosion occurs and the explosive force reaches the pre-set value, the door may deform, but the door components will remain functional to prevent personnel from being trapped or obstructed.

 

4. It provides necessary airtight isolation to prevent direct airflow between the isolated space and the outside air, thereby reducing the risk of contamination of the isolated and protected space.

 

5. The explosion relief door is a safety facility with self-closing and emergency escape functions.

 

6. It is widely applicable to hazardous areas such as dangerous goods warehouses, factories, mines, chemical industries, and boiler rooms.

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