Common Knowledge About Explosion-proof Products

Division of hazardous areas
According to the frequency and duration of the occurrence of explosive mixtures, gases and vapors should be classified
Gas explosion hazardous environments are classified into Zone 0, Zone 1 and Zone 2.
Zone 1.0 (Level 0 Hazardous area) refers to the area that continuously appears or remains for a long time during normal operation
Areas where explosive gases, vapors or mists occur frequently or for a short period of time.
Zone 2.1 (Level 1 Hazardous Area) refers to the area that may occur during normal operation (expected periodicity)
An area where explosive gases, vapors or mists occur or occur occasionally.
Zone 3.2 (Level 2 Hazardous Area) refers to a zone that does not occur during normal operation, and even if it does, it does
It can only be an area where explosive gases, vapors or mists occur occasionally for a short period of time.