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Explosion Protection Knowledge

The zones, equipment categories, protection methods and standards we work from every time we specify Ex-rated equipment for a site in the UAE or wider GCC.

4 technical guides Standards-referenced & dated

Certification schemes covered

ATEX certification mark IECEx certification mark

Explosion protection is the engineering discipline that stops a flammable gas, vapour or combustible dust from ever meeting a source of ignition - and limits the damage if it somehow does anyway. Every product we supply for a hazardous area, from a handheld torch to a flameproof junction box, is designed and certified against a specific set of these rules. The four guides below cover what we think is worth understanding before you write a specification or read a certificate, in roughly the order an engineer new to a project would need them.

Start here

GUIDE 1

Fundamentals of Explosion Protection

What actually causes an explosion, the fire triangle, why protection measures are layered into primary, secondary and tertiary defences, and why combustible dust is the risk most sites underestimate.

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GUIDE 2

Zones, Equipment Categories & Marking

How Zone 0/1/2 and 20/21/22 are defined, what Category 1/2/3 and EPL Ga/Gb/Gc actually mean, gas and dust groups, temperature classes, and how to read an Ex nameplate line by line.

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GUIDE 3

Standards & Certification: ATEX, IECEx and the GCC

Who actually writes these rules - IEC TC31, the EU's ATEX directive, North America's NEC/CEC - and how UAE and GCC projects specify and verify a certificate in practice.

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GUIDE 4

Intrinsic Safety (Ex i) Explained

Why Ex i removes the ignition source instead of containing it, what the ia/ib/ic protection levels mean, and where it fits against Ex d and Ex e on a real site.

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Already know the basics? Jump to the FAQ.

19 specific questions engineers ask before finalising a BOQ - zones, gas groups, IP ratings, Ex d vs Ex i, and how to check a certificate.

ATEX & IECEx Lighting FAQ →

These guides explain how explosion protection works and the vocabulary used on certificates and nameplates. They are not a substitute for a site-specific hazardous-area classification study, and they don't replace the judgement of a competent person or your local civil defence / HSE authority on what a given plant actually requires.

Need equipment specified against your site's classification?

Send us your zone, gas group and temperature class and we'll shortlist certified equipment against the actual study - not a generic catalogue page - with IECEx/ATEX certificates included in the quotation.