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1. 性氣體環(huán)境危險(xiǎn)場(chǎng)所：1區(qū)、2區(qū)；
2. 可燃性氣體、蒸氣級(jí)別：ⅡA、ⅡB、ⅡC；
3. 溫度組別：T1~T6；
4. 戶(hù)內(nèi)、戶(hù)外（IP54）。

1. For the dangerous sites with explosive
Airmixture: 1 division、2 division;
2. Flammable gas, steam class：ⅡA、ⅡB、ⅡC;
3. Temperatures classification：T1~T6;
4. Indoor and outdoor (IP54).

1. 作鋼管布線管路連接之用；
2. 優(yōu)質(zhì)碳素鋼制成，表面鍍鋅；
3. 可根據(jù)用戶(hù)要求用不銹鋼制造；
4. 需要變徑或公制螺紋，NPT螺紋可特制。

1. For connecting steel pipe wiring pipline;
2. Made of quality carbon steel with Zinc surface-plating;
3. Can be made in stainless steel according to users requirements;
4. Need to change diameter or metric system thread、NPT thread can be made specially.