Shenhai Explosionssäkert
As per our country’s national standards, there are eight distinct explosion-proof categories: flameproof “d”, increased safety “e”, intrinsic safety “I”, pressurized “p”, oil-immersed “o”, sand-filled “q”, non-sparking “n”, and special “S” type.
| Explosionssäker typ | Gas Explosionsskyddad symbol | Damm Explosionsskyddad symbol |
|---|---|---|
| Egensäker typ | ia,ib,ic | ia,ib,ic,iD |
| Exm | ma,mb,mc | ma,mb,mc,mD |
| Barotropisk typ | px,py,pz,pxb,pyb,pZc | p;pb,pc,pD |
| Ökad säkerhet Typ | e,eb | / |
| Flamsäker typ | d,db | / |
| Oljesänkt typ | o | / |
| Sandfylld form | q,qb | / |
| N-typ | nA,nC,nL,nR,nAc,nCc,nLc.,nRc | / |
| Särskild typ | S | / |
| Typ av skalskydd | / | ta,tb,tc,tD |
In the realm of instrumentation, the predominant types employed are flameproof “d” and intrinsic safety “i”.