Exd, II, C, T6, Gb and Exia, II, B, T2, Ga and Exia II, C, T4, which kind of explosion-proof grade is higher? Please sort 10I know the difference between flameproof and intrinsically safe, as well as the meaning of other characters. Just order and explain the reasons, thank you!
Not intrinsically safe explosion-proof lamp, explosion-proof electrical is: ExiaIICT4 than ExiaIIBT2 high level. T is an explosion-proof electrical temperature group, T6, the maximum surface temperature is not more than 85 degrees, T4 is not more than 135 degrees centigrade, and T2 is not more than 300 degrees centigrade. Exia this type of relatively high levels can be used in Zone 0, zone 1, zone 2; flameproof D, can be used in zone 1, zone 2.
Not intrinsically safe explosion-proof lamp, explosion-proof electrical is: ExiaIICT4 than ExiaIIBT2 high level. T is an explosion-proof electrical temperature group, T6, the maximum surface temperature is not more than 85 degrees, T4 is not more than 135 degrees centigrade, and T2 is not more than 300 degrees centigrade. Exia this type of relatively high levels can be used in Zone 0, zone 1, zone 2; flameproof D, can be used in zone 1, zone 2.
Not intrinsically safe explosion-proof lamp, explosion-proof electrical is: ExiaIICT4 than ExiaIIBT2 high level. T is an explosion-proof electrical temperature group, T6, the maximum surface temperature is not more than 85 degrees, T4 is not more than 135 degrees centigrade, and T2 is not more than 300 degrees centigrade. Exia this type of relatively high levels can be used in Zone 0, zone 1, zone 2; flameproof D, can be used in zone 1, zone 2.
