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what is d2G4 in hazardous / explosion ae context
I am interested in knowing about hazardous are grouping class d2G4. What is it?

Dear all

I am interested in knowing about hazardous are grouping class d2G4. What is it? Is it Japanese standard? If so, what is the equivalent
American or European Equivalent standard.

Regards
anand s

Dear all

d2G4 is a Japanese explosion proof.
d is flame proof
G4 means max. Temperature <135C

similar IEC Ex-proof: ExdIIT4