The Explosion-proof Cable Gland also known as cable connector that facilitate barrier penetration and offer sealing protection and can be utilized with probes, wires, power, and signaling cables.
It is very necessary to know some basic knowledge about Explosion-proof Cable Gland:
Hazardous Area Classification
The Explosion-proof Cable Gland are an essential part of the wide range of electrical explosion protection equipment and prevent the occurrence of sparks or arcs which could lead to an explosion.
Firstly, we need to know three necessary components for an explosion to occur:
1.Flammable Substance– this needs to be present in a relatively high quantity to produce an explosive mixture (e.g. gas, vapours, mists and dusts).
2.Oxygen – oxygen is required in high quantities and in combination with the flammable substance to produce an explosive atmosphere.
3.Ignition Source– a spark or high heat must also be present.
Fundamentally, for an explosion to take place, flammable or explosive gases, vapours, mists or dusts will be present. Then, the level of risk of an explosion is based on the frequency and duration of the occurrence of an explosive atmosphere.
Hazardous areas are classified into zones based on an assessment of the frequency of the occurrence and duration of an explosive gas atmosphere, as follows:
| ATEX Zone | Danger / Protection Level | Ex Safety Category Required | |
| Gas | Dust | ||
| Zone 0 | Zone 20 | Constant danger/Very high. Explosive hazard always present. | Category 1 equipment. |
| Zone 1 | Zone 21 | Potential danger/high. Explosive hazard occasionally present during normal working practices. | Minimum of Category 2 equipment. |
| Zone 2 | Zone 22 | Minor danger/normal. Explosive hazard not likely or only for short periods | Minimum of Category 3 equipment |
As a result, you really have to be conscious of the hazardous area zone classifications when you selecting Explosion-proof Cable Gland, as the “zone” governs the level of protection and precaution required.
Hazardous Area Directives for Explosion-proof Cable Gland
ATEX
When Explosion-proof Cable Gland is intended for use in a hazardous area, the Explosion-proof Cable Gland must be ATEX certified as required by the EU directive 94/9/EC.
The ATEX directive requires the Explosion-proof Cable Gland to be marked with the CE mark, then followed by the serial number of the Notified Body.
The Explosion-proof Cable Gland will also bear the Ex logo and then a series of codes, to define its approval rating:
Within Europe ATEX certification of Explosion-proof Cable Gland for use in potentially hazardous atmospheres is compulsory.
Jixiang’s Explosion-proof Cable Gland available in different materials as per the need such as brass, stainless steel and nickel plated brass.
Any question or inquire about the suitable Explosion-proof Cable Gland for hazardous areas, welcome to contact us!
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