Ex d IIC T3 Gb yog ib qho kev tiv thaiv tawg tag, lub ntsiab lus ntawm nws qhov chaw yog raws li nram no:
Piv txwv li:qhia tias cov cuab yeej yog cov khoom siv hluav taws xob tawg, yog cov ntawv luv ntawm cov lus Askiv "explosion-proof", uas yog tag nrho cov khoom tawg-pov thawj yuav tsum muaj lub cim.
d: stands rau explosion-proof explosion-proof hom, standard tooj GB3836.2. Cov khoom pov thawj tawg yog hais txog qhov muaj peev xwm tsim cov nplaim taws, arcs thiab kub kub txaus ntshai ntawm cov khoom siv hluav taws xob rau hauv lub plhaub nrog kev ua haujlwm tawg, lub plhaub tuaj yeem tiv taus qhov tawg siab ntawm cov roj sib xyaw ua ke, thiab tiv thaiv kev tawg ntawm sab hauv. lub plhaub nyob ib puag ncig cov propagation ntawm tawg sib tov.
IIC:
II txhais tau hais tias cov cuab yeej tsim nyog rau qhov chaw tawg ntawm cov pa roj hauv av uas tsis yog cov thee hauv av xws li cov chaw tsim khoom, thiab lwm yam C txhais tau hais tias cov cuab yeej tsim nyog rau IIC roj hauv qhov chaw tawg;
C txhais tau hais tias cov cuab yeej tsim nyog rau IIC gases nyob rau hauv ib puag ncig roj tawg. IIC gases muaj kev phom sij heev heev, cov roj sawv cev yog hydrogen thiab acetylene, uas muaj cov kev cai nruj tshaj plaws rau cov khoom tawg-pov thawj.
T3: Qhov siab tshaj plaws saum npoo ntawm cov khoom siv yuav tsum tsis pub tshaj 200 ℃. Nyob rau hauv ib puag ncig tawg, qhov kub thiab txias ntawm cov khoom siv yog qhov tseem ceeb ntawm kev nyab xeeb. Yog tias qhov kub thiab txias ntawm cov cuab yeej siv siab dhau lawm, nws tuaj yeem ua rau cov roj sib xyaw ua ke thiab ua rau tawg.
Gb: stands rau Equipment Protection Level. Tus "G" sawv cev rau Gas thiab qhia tias cov cuab yeej tsim nyog siv rau hauv qhov chaw tawg-pov thawj. Cov khoom siv nrog qhov ntsuas Gb tuaj yeem siv rau thaj tsam 1 thiab Zone 2 thaj chaw muaj kev phom sij.
Post lub sij hawm: Jan-09-2025