QPS - Explosion Research Ltd

Hazardous Location Certification for Canada and the USA

 

 

Zone System nomenclature Standard 60079-1

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Environment

 

Explosion Risk

MPL (Minimum Protection Level)

Zone

Ex code

 

Minimum protection technique

Description

II  (gas)

Explosive gas 10 to 1000 hrs/yr

Gb

1

Ex d

Explosion Proof

This technique involves an enclosure that contains the flame from an internal explosion in that any hot gases that escape have been effectively quenched and will not ignite the surrounding hazardous gasses.