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Example of explosion-proof signs in the new version of GB/T3836 standard

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| 2022-05-16|Return

Example of explosion-proof signs:

Ex ib I Mb

Ex: Electrical equipment marking for explosive gas environments

Ib: The protection type isIntrinsic safetytype

I: Coal mine gas environment

Mb: Equipment protection level, can be used in Zone 1



Ex db eb II C T6 Gb

Ex: Electrical equipment marking for explosive gas environments

DB: Protection type isExplosion prooftype

EB: The protection type is increased safety type

IIC: IIC Gas and Vapor Environment

T6:Temperature groupFor T6, the maximum surface temperature of the equipment shall not exceed 85 ° C

Gb: Device protection level, can be used in Zone 1/Zone 2


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