Qhov twg theem ntawm Explosion-Proof yog siab dua, IA lub D

Lub npe flameproof “d” aligns nrog EPL Gb qeb, uas tsim nyog tsuas yog rau cov roj ib puag ncig hauv Zones 1 thiab 2;

Hom tawg pov thawj	Gas explosion-proof cim
Intrinsic kev nyab xeeb hom	yog,ib,ib ic
Hom nplaim taws	d,db ua

Intrinsic kev ruaj ntseg npe “yog” yog txuam nrog rau qib siab tshaj plaws, EPL Ga, npog gas ib puag ncig hauv Zones 0, 1, thiab 2;

Li no, hom kev nyab xeeb intrinsic ia muaj qib siab tshaj ntawm kev tiv thaiv tawg piv rau hom flameproof.