డస్ట్ పేలుడు-ప్రూఫ్ సామగ్రి పేలుడు-ప్రూఫ్ సంకేతాలు

1. Equipment for Zone 20 తో “mD” Dust Explosion-Proof Type

Explosion-Proof Marking: Ex mD 20 T120℃

2. Equipment for Zone 20 తో “ia” Dust Explosion-Proof Type

Explosion-Proof Marking: Ex iaD 20 T120℃

3. Equipment for Zone 21 తో “pD” Dust Explosion-Proof Type

Explosion-Proof Marking: Ex pD 21 IP65 T120℃

4. Equipment for Zone 21 తో “tD” Type A Dust Explosion-Proof; ఉష్ణోగ్రత Testing Conducted Under 500mm Thick Dust Layer

Explosion-Proof Marking: Ex tD A21 IP65 T225℃ T500 320℃

5. Equipment for Zone 22 తో “tD” Type B Dust Explosion-Proof

Explosion-Proof Marking: Ex tD B22 IP65 T170℃

6. Equipment for Zone 22 తో “tD” Type A Dust Explosion-Proof

Explosion-Proof Marking: Ex tD A22 IP54 T120℃