zone _ _ gas dust element 0 = gas 2 = dust risk 0 = high 1 = medium 2 = low
Post on 28-Mar-2015
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Zone _ _
Gas Dust
Element0 = gas2 = dust
Risk0 = high1 = medium2 = low
Zone 00
Zone 20
High
1
Zone 01
Zone 21
Medium
2
Zone 02
Zone 22
Low
3
Gas
Dust
RiskAdmitted
fixture cathegory
Zone 00
Zone 20
Zone 01
Zone 21
Zone 02
Zone 22
Gas
Dust
Cathegory3
Zone 00
Zone 20
Zone 01
Zone 21
Zone 02
Zone 22
Gas
Dust
Manufacturer’scertificate
Third party certificate
Zone 02Zone 22
Wood Industry Chemical Ind.
PharmaceuticalFood Industry
Paint plants
+ +
Group II Cat 3G Ex “nA” IIB T4
Group II Cat 3D Ex “tD” A22 T6
ZONE 02
ZONE 22
Group II Cat 3G Ex “nA” IIB T4
Group II Cat 3D Ex “tD” A22 T6
ZONE 02
ZONE 22Group I =
minesGroup II =all the rest
Cathegory 3 fixtureG=GasD=Dust
Protection type
“nA”=gas“tD”=dust
Test method(IIB gas)(tD dust) Temperature
Class
top related