1. 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、ⅡC；
3. 温度组别：T1~T6；
4. 户内、户外（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. 作钢管布线管路连接之用；
2. 优质碳素钢制成，表面镀锌；
3. 可根据用户要求用不锈钢制造；
4. 需要变径或公制螺纹，NPT螺纹可特制。

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.