Export type explosion-proof wire box DN25 cable box made of cast iron hot dip galvanized wire box Hot dip galvanized Item NO.: 335419

Material: the body and cover of the thread box are malleable iron or cast steel, the screw material is 304 stainless steel, the washer material is rubber;

Surface treatment: hot dip galvanized or cold galvanized treatment;

Type no. : F (LB) type backbend through-through box;

Protection grade: IP67;

Explosion-proof marks: Exe Ⅱ;

Installation conditions: ambient air temperature is -20℃~+40℃, and the average temperature within 24 hours does not exceed +35℃; When the maximum temperature at the installation site is +40℃, the air relative humidity shall not exceed 50%; Higher relative humidity is allowed at lower temperatures; Where there is no significant shaking, shock or vibration; The elevation of the installation site shall not exceed 2000m; In class II places containing explosive gas environment and combustible dust environment; The pollution level is level 3. The installation category is class II.

Scope of application: 1. Combustible dust environment area 20, 21, 22 dangerous area; 2.

2. Danger zone 1 or 2 in explosive gas environment;

3. Explosive gas is IIB or IIC T6 group or below explosive dangerous places;

4. For lighting, signals, power cables and branches in ac 50Hz, rated voltage to 380V, rated current to 32A circuits.

F (LB) after bending wear box is for the sake of convenient construction, points out the lines in a specific location centralized layout, do pipes embedded in the building, sometimes because the distance is too long, will need to add in box, in general, if the line length is more than 15 meters. Then add a box, convenient threading, it does not have electrical properties, into the outlet line is the same or the same turn.