Classifi cation of explosive atmosphere...Explosive atmosphere combustible material explosion...
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Explosive atmosphere combustible material explosion hazard permanent occasional short-term class I gas NEC 500 division 1 division 2 ATEX/IECEx/NEC 505 zone 0 zone 1 zone 2 class II dust NEC 500 division 1 Division 2 ATEX/IECEx/NEC 505 zone 20 zone 21 zone 22 class III fibers and lint NEC 500 division 1 division 2 2D Db in case of predictable faults 21 Classification of explosive atmosphere ATEX/IECEx/NEC 505 NEC 500 mining group I methane I mining gas group II class I propane IIA CI I, Group D ethylene IIB CI I, Group C hydrogen IIC CI I, Group B acetylene IID CI I, Group A dust/fibers group III class II, III fibers and lint IIIA CI II non-conductive dust IIIB CI II, Group F, G conductive dust IIIC CI II, Group E Beckhoff_Explosionsschutz_052018_druck_e.indd 1 27.07.2018 11:01:32
Transcript of Classifi cation of explosive atmosphere...Explosive atmosphere combustible material explosion...
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Explosive atmospherecombustible material explosion hazard
permanent occasional short-termclass Igas NEC 500 division 1 division 2
ATEX/IECEx/NEC 505 zone 0 zone 1 zone 2class IIdust NEC 500 division 1 Division 2
ATEX/IECEx/NEC 505 zone 20 zone 21 zone 22class IIIfi bers and lint NEC 500 division 1 division 22D Db in case of predictable faults 21
Classifi cation of explosive atmosphereATEX/IECEx/NEC 505 NEC 500
mining group Imethane I mininggas group II class Ipropane IIA CI I, Group Dethylene IIB CI I, Group Chydrogen IIC CI I, Group Bacetylene IID CI I, Group Adust/fi bers group III class II, IIIfi bers and lint IIIA CI IInon-conductive dust IIIB CI II, Group F, Gconductive dust IIIC CI II, Group E
Beckhoff_Explosionsschutz_052018_druck_e.indd 1 27.07.2018 11:01:32
