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該產品(pin)是供具有可(ke)(ke)燃性(xing)氣體、瓦斯、粉塵等形成(cheng)的爆(bao)炸性(xing)混(hun)合物(wu)(wu)混(hun)合物(wu)(wu)環境條(tiao)件下所使(shi)用(yong)(yong)的輸送機械做(zuo)驅動(dong)裝置，隔(ge)爆(bao)標志(zhi)為(wei)dⅠ、dⅡAT4、dⅡBTA。dⅠ適用(yong)(yong)于有甲烷(wan)或(huo)煤塵爆(bao)炸危(wei)險(xian)性(xing)混(hun)合物(wu)(wu)存在(zai)的礦井(jing)中(zhong)，dⅡAT4Ⅰ適用(yong)(yong)于Ⅰ、ⅡA級T1～T4組爆(bao)炸危(wei)險(xian)性(xing)混(hun)合物(wu)(wu)存在(zai)的場所，dⅡBTA適合于有Ⅰ、ⅡA、ⅡB級T1～T4組爆(bao)炸危(wei)險(xian)性(xing)混(hun)合物(wu)(wu)存在(zai)的場所。可(ke)(ke)滿足各(ge)種逆止、包膠等要求。