| 1. for the dangerous sites with explosive air mixture:
1 division、2 division;
2. flammable gas, steam class：ⅱa、ⅱb;
3. temperatures classification：t1~t6;
4. indoor and outdoor(ip54). | 1. 爆炸性气体环境危险场所：1区、2区；
2. 可燃性气体、蒸气级别：ⅱa、ⅱb；
3. 温度组别：t1~t6；
4. 户内、户外 (ip54)。 | | | | 铃盖直径
bell-lids diameter (mm) | 声响强度
acoustic strength (db) | | ac36, ac110, ac220 | 125 | ip65≥75(r=2m) | ≤20 |
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| | 防爆标志
explosion-proofing
marker | 防腐等级
corrosion-proofing
grade | 进线口螺纹
inlets thread | 电缆外径(mm)
cables outside diameter | | ip54 | ex dⅱbt6 | w, wf1, wf2 | g3/4 | φ10~φ15 | 1.5 |
| | | | 1. 铸铝合金外壳，表面喷塑；
2. 圆筒隔爆面，防爆性能好，安全可靠；
3. 钢管或电缆布线。 1. diecasted al-alloy shell with plastic-sprayed surface;
2. the round-tube flame-proof surface has perect property
on safety reliability;
3. steelpipe and cable wiring. |
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