Explosion-proof lights, distinct from other explosion-proof electrical equipment, can be categorized into five types of explosion-proof methods: flamsäker, ökad säkerhet, positivt tryck, icke gnistor, and dust. dock, these five methods are not exhaustive.
Explosionssäker typ | Gasexplosionssäker symbol | Dammexplosionssäker symbol |
---|---|---|
Egensäker typ | bl.a,ib,ic | bl.a,ib,ic,iD |
Exm | ma,mb,mc | ma,mb,mc,mD |
Barotropisk typ | px,py,pz,pxb,pyb,pZc | sid;pb,st,pD |
Ökad säkerhetstyp | e,eb | / |
Flamsäker typ | d,db | / |
Oljenedsänkt typ | o | / |
Sandfylld form | q,qb | / |
N-typ | nA,nC,nL,nR,nAc,nCc,nLc.,nRc | / |
Specialtyp | S | / |
Skalskyddstyp | / | vända mot,tb,tc,tD |
Due to the wide range of applications for explosion-proof lights, there are numerous varieties, including a special type that combines multiple explosion-proof methods.