Shenhai Explosion-Proof
Nyob rau hauv daim teb tawg-pov thawj khoom, Kev ruaj ntseg yog ho txiav txim tau los ntawm qhov kub classification ntawm tus ntaus ntawv. Cov hoob kawm T6 classification, qhia “qhov kub tshaj plaws,” nruab nrab yog cov qeb qeb nyob rau hauv no ntau yam. This classification ensures that the surface temperature of the equipment is low enough to prevent igniting flammable gases, even those with a low ignition point. Conversely, T1, with the highest allowed surface txias, poses the greatest risk in explosive environments.
| Cov hluav taws xob hluav taws xob | Qhov chaw uas muaj hluav taws xob (°C) | Roj/vapor ignition kub (°C) | Siv ntau ntau yam kub |
|---|---|---|---|
| T1 | 450 | >450 | T1.T6 |
| T2 | 300 | >300 | T2.T6 |
| T3 | 200 | >200 | T3.T6 |
| T4 | 135 | >135 | T4.T6 |
| T5 | 100 | >100 | T5.T6 |
| T6 | 85 | >85 | T6 |
In explosion-proof equipment, the primary concern isn’t an internal component explosion, but rather the restriction of energy released from damaged internal components to prevent igniting gases in explosive atmospheres. As per the “Design Specifications for Electrical Installations in Explosive and Fire Hazardous Environments”, the T6 level stands as the safest classification. Devices with T6 classification are effective in preventing explosions, especially in environments with low ignition point combustible gases, not to mention those with higher ignition points.