Safety cupboard for storing dangerous product e.g. explosive, has inner and outer walls, where space between walls is filled with air at ambient temperature, and filled with water if external temperature exceeds preset threshold

摘要

The cupboard has inner wall made of steel plate or high pressure laminate and outer wall made of steel plate located on each of its six sides. A space provided between the walls is filled with air at ambient temperature, and filled with water if the external temperature increases above a predetermined threshold. The water is supplied via a thermo-opening valve (10) located on a water supply channel (9).