By CONQUEST-Carr | 06 April 2022 | 0 Comments
Equipment Categories for ATEX Zones
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Category 1
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Category 2
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Category 3
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Level of protection
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Very High
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High
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Normal
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Danger by gas, vapour, mist or air/dust mixtures
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Long periods or frequently
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Likely to occur
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Unlikely to occur, and if they do occur, only infrequently and for a short period
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Required protection
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2 independent means / Or assured for 2 faults occuring independently
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Even in the event of frequently occuring disturbances of fault
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Only during normal operation
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Usage (Gas)
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Gas: Zone 0, 1 & 2
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Gas: Zone 1 & 2
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Gas: Zone 2
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Usage (Dust)
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Dust: Zone 20, 21 & 22
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Dust: Zone 21 & 22
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Dust: zone 22
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How to read ATEX markings
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ATEX Marking for Gas & Vapor
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I
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Equipment Group
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Approved for mining
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II
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No mining
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1G
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Equipment Category and Environment
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Category 1, use in Zone 0/1/2
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2G
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Category 2, use in Zone 1/2
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3G
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Category 3, use in Zone 2
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Ex
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Specific Marking
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Explosion protection
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ia/ib/ic
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Type of protection
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Intrinisic safety level of the device in Zone 0/1/2
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IIA
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* Gas Group
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i.e. Propane
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IIB
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i.e. Ethylene
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IIC
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i.e. Hydrogen
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T1/T2/T3
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* Temperature Class
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Maximum surface temperature of 450°C/300°C/200°C
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T4/T5/T6
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Maximum surface temperature of 135°C/100°C/85°C
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Ga/Gb/Gc
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Equipment Protection Level
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High, safe with 2 faults/high, safe with 1 fault
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ATEX Marking for Dust
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I
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Equipment Group
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Approved for mining
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II
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No mining
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1G
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Equipment Category and Environment
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Category 1, use in Zone 0/1/2
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2G
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Category 2, use in Zone 1/2
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3G
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Category 3, use in Zone 2
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Ex
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Specific Marking
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Explosion protection
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ia/ib/ic
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Type of protection
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Intrinisic safety level of the device in Zone 0/1/2
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IIA
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* Dust Group
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i.e. Flammable Fibres
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IIB
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i.e. Non conductive dust
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IIC
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i.e. Conductive dust
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T
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* Temperature Class
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Maximum surface temperature level is to be indicated
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Da/Db/Dc
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Equipment Protection Level
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High, safe with 2 faults/high, safe with 1 fault
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PELI Products: Experts In ATEX Lighting
Since 1976 Peli Products has manufactured ADVANCED LIGHTING SYSTEMS with the highest Safety Certifications. Constantly innovating and always exceeding expectations, Peli is engineered for life.
Peli Products makes sure to comply 100% with all regulations and standards, even though this sometimes means higher investment in R&D or that it may lead to longer times until products can be released. Peli torches are built with the highest quality materials and to comply with the latest ATEX Directive (2014/34/EU), anti-static material is used when maximum allowed surface area is exceeded.
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