BHJ stainless steel explosion-proof industry-specific union

First, the scope: 1.BHJ proof union (hereinafter referred to as the union) in full compliance with compliance with GB3836.1-2000 "Electrical apparatus for explosive gas atmospheres - Part 1: General requirements", GB3836.2-2000 "explosive gas atmospheres electrical equipment - Part 2: flameproof: "d" "standard. 2. mainly applied to an area or two dangerous places, ⅡA, ⅡB, ⅡC explosive gas or vapor, as the steel pipe connecting the wiring. Second, work in the following conditions: 1. The ambient air temperature does not exceed the limit of + 40 ℃, the lower limit of not less than -20 ℃, and the average value of the air within 24h does not exceed + 35 ℃ 2. installation location relative humidity at a maximum temperature of + 40 ℃ when not more than 50%; at a lower temperature allows a more relative humidity, the wettest month average minimum temperature does not exceed + 25 ℃, the monthly average maximum relative humidity of the month does not exceed 90%. 3. In the absence of severe vibration, shock and shake the place; 4. In no dripping water and other liquid immersion places; 5. No damage metal and insulation corrosive gases or vapors place; 6. contain explosive gases in Class Ⅱ workplace environment; 7. pollution degree: 3; 8. Installation category: Ⅱ class. Third, the technical parameters: Thread Size (G ") BHJ-G1 / 2 BHJ-G3 / 4 BHJ-G1 BHJ-G11 / 4 BHJ-G1 1/2 BHJ-G2 nominal pipe diameter G15 G20 G25 G32 G40 G50 cable diameter Φ7 ~ Φ9 Φ8 ~ Φ15 Φ10 ~ Φ18 Φ13 ~ Φ23 Φ17 ~ Φ26 Φ25 ~ Φ35