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| E: European |
Ex: Explosion proof |
| P: pressurized apparatus |
￠ò: Zone 2: potertial danger of explosion |
| Tx: Temperature code(T1:450??, T2:330??, T3:200??,T4:135??,T5:100??,T6:85??) |
Class￠?: Flammable gases or vapors might produce explosive or ignitable mixture |
| Class￠ò: Combustible of conductive dust are present |
Group A: Acetylene |
| Group B: Hydrogen ( or equivalent ) |
Group C: Ethylene ( or Equivalent ) |
| Group D: Gasoline ( or equivalent ) |
Group E: Metal dust |
| Group F: Coal dust |
Group G: Grain dust | |
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