Cov cim pov thawj tawg ntawm cov khoom siv hluav taws xob sawv cev rau qhov tshwj xeeb tawg-pov thawj tsim ua haujlwm hauv cov khoom siv no.
Hom tawg pov thawj | Gas Explosion-proof Symbol | Dust Explosion-proof Symbol |
---|---|---|
Intrinsically Safe Hom | yog,ib,ib ic | yog,ib,ib ic,iD |
Exm | mav,mb ib,mc | mav,mb ib,mc,mD |
Hom Barotropic | ib px,py,pz ua,pxb ib,pyb,pzc ua | p;pb ua,pc ua,pD |
Ntau hom kev nyab xeeb | e,ib eb | / |
Hom Flameproof | d,db ua | / |
Roj Immersed Hom | o | / |
Xuab zeb puv Pwm | q,qb ib | / |
N-type | nA,nC,nL,nR,nAc,nCc,nLc,nrc | / |
Hom tshwj xeeb | S | / |
Shell Protection Hom | / | ntsej muag,tb,tc,tD |
Cov cim qhia no suav nrog ntau hom, xws li flameproof “d”, nce kev nyab xeeb “e”, kev nyab xeeb ntawm sab hauv “i”, roj-raus “o”, xuab zeb puv “q”, encapsulated “m”, hom “n”, yam tshwj xeeb “s”, thiab tsim rau plua plav tawg-pov thawj, ntawm lwm tus.