BJX sries

Explosion proof connection box

1. It is widely used in flammable and explosive gas environment such as oil exploitation, refining, chemical industry, offshore oil platform, oil tanker, etc. It is also used in flammable dust places such as military industry, port, grain storage and metal processing;

2. Applicable to Zone 1 and Zone 2 of explosive gas environment;

3. Applicable to IIA, IIB, IIC explosive gas environment;

4. Applicable to areas 21 and 22 of flammable dust environment;

5. Applicable to the temperature group is T1 ~ T4 / T5 / T6;

6. Connections for lighting, power, control and communication lines.

Model Implication



1. The outer casing of the product is cast aluminum alloy ZL102. Adopting one-time die-casting process, the product has smooth surface, beautiful appearance, high density of internal structure of metal, no defects such as bubbles and blisters, good impact resistance, and“Ex” explosion-proof mark on the surface of the product;

2. After the surface of the product is processed by high-speed shot blasting and other series of processes, the advanced automatic high-pressure electrostatic spray and thermosetting integrated line process is adopted. The plastic layer formed on the surface of the shell has strong adhesion and is not easy to fall off, effectively achieving the protection of the shell. The purpose of improving the anti-corrosion ability of the product;

3. The joint surface adopts the plane joint surface (IIB) or the thread joint surface (IIC), and the rubber seal ring seal is added, the explosion-proof performance is reliable, and the protection performance is good;

4. The product has built-in terminal blocks. The number of terminals can be configured according to user requirements;

5. All exposed fasteners are made of stainless steel;

6. The cable incoming direction can be made into various forms such as up, down, left, and right according to user requirements;

7. The inlet port usually adopts pipe thread and is equipped with cable introduction device; it can also be made into metric thread, NPT thread, etc. according to user's site requirements;

8. Steel pipes and cable wiring can be used;

9. The junction box is installed in a hanging mode.

Main Technical Parameters


Order Note

1. According to the model implication's rules to select regularly, and Ex-mark should be added behind model implication;

2. If there are some special requirements, it should be pointed as ordering.