1. For the dangerous sites with explosive air mixture: 1 division、2 division; 2. Flammable gas, steam class:ⅡA、ⅡB、ⅡC; 3. Temperatures classification:T1~T6; 4. Indoor and outdoor (IP54).
1. For connecting steel pipe wiring pipline; 2. Made of quality carbon steel with Zinc surface-plating; 3. Need to change diameter or metric system thread NPT thread can be made specially.