1. 性氣體環境危險場所：1區、2區；
2. 可燃性氣體、蒸氣級別：ⅡA、ⅡB、ⅡC；
3. 溫度組別：T1~T6；
4. 戶內、戶外（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. 優質碳素鋼制成，表面鍍鋅；
3. 可根據用戶要求用不銹鋼制造；
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.