Shenhai Explosion-Proof
Tus Ex td a21 designation classifies nws ua hoob kawm II, Qeb B, los yog C tawg-proof standards.
| Tawg Pov thawj | Roj Explosion-proof Symbol | Plua plav Explosion-proof Symbol |
|---|---|---|
| Intrinsically zoo yam | Intrinsically zoo yam | tub sab,ib qho,ic,iD |
| Exm | ma,mb,mc | ma,mb,mc,mD |
| Barotropic Type | px,py,pz,pxb,pyb,pzc | p;pb,pc,pD |
| Muaj kev ruaj ntseg ntau yam | e,eb | / |
| Flameproof hom | d,db | / |
| Roj Immersed yam | O | / |
| Xuab zeb ua pwm | q,qb | / |
| N-hom N-hom | nA,nC,nL,nR,nAc,nCc,nLc,nRo | / |
| Hom Tshwj Xeeb | S | / |
| Plhaub tiv thaiv hom kev tiv thaiv yam | / | ta,Tb,tc,tD |
Ex: Signifies tias cov khoom hluav taws xob raws li ib los yog tawg tiv thaiv hom outlined nyob hauv lub teb chaws Suav GB3836 qauv, Ua kom nws tsim nyog rau tej chaw uas explosive hazards.
td: Qhov no nruab nrab yog kev tiv thaiv los ntawm kev siv cov enclosure.
a21: Specifies Hoob Kawm A hluav taws xob tsim rau Zone 21 plua plav tawg tej chaw uas yuav tau teev tseg.