ਧੂੜ ਧਮਾਕਾ-ਸਬੂਤ ਉਪਕਰਣ ਵਿਸਫੋਟ-ਸਬੂਤ ਚਿੰਨ੍ਹ

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

Explosion-Proof Marking: Ex mD 20 T120℃

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

Explosion-Proof Marking: Ex iaD 20 T120℃

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

Explosion-Proof Marking: Ex pD 21 IP65 T120℃

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

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

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

Explosion-Proof Marking: Ex tD B22 IP65 T170℃

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

Explosion-Proof Marking: Ex tD A22 IP54 T120℃