1. Equipement fir Zone 20 mat “mD” Dust Explosion-Proof Type
Explosion-Proof Marking: Ex mD 20 T120 ℃
2. Equipement fir Zone 20 mat “ia” Dust Explosion-Proof Type
Explosion-Proof Marking: Ex iaD 20 T120 ℃
3. Equipement fir Zone 21 mat “pD” Dust Explosion-Proof Type
Explosion-Proof Marking: Ex pD 21 IP65 T120℃
4. Equipement fir Zone 21 mat “tD” Type A Dust Explosion-Proof; Temperatur Testing Conducted Under 500mm Thick Dust Layer
Explosion-Proof Marking: Ex tD A21 IP65 T225℃ T500 320℃
5. Equipement fir Zone 22 mat “tD” Type B Dust Explosion-Proof
Explosion-Proof Marking: Ex tD B22 IP65 T170℃
6. Equipement fir Zone 22 mat “tD” Type A Dust Explosion-Proof
Explosion-Proof Marking: Ex tD A22 IP54 T120℃