膠管用(yong)(yong)(yong)于(yu)輸送(song)氧(yang)氣(qi)與(yu)乙炔的膠(jiao)管(guan)由內、外膠(jiao)層和中間棉織纖維層組成(cheng),整個(ge)膠(jiao)管(guan)需(xu)經(jing)過(guo)特(te)別的化學加工處理,以防(fang)(fang)止其高(gao)度燃燒性。在保(bao)(bao)存(cun)、運輸和使用(yong)(yong)(yong)膠(jiao)管(guan)時必須注意維護,保(bao)(bao)持膠(jiao)管(guan)的清潔和不受損(sun)壞;例如避免陽光照(zhao)射,雨(yu)雪浸淋、防(fang)(fang)止與(yu)酸、堿、油(you)類及其他(ta)有機溶劑等影響膠(jiao)管(guan)質量(liang)的物質接觸。因此(ci)與(yu)氧(yang)氣(qi)表高(gao)壓(ya)(ya)端(duan)連接的氣(qi)瓶(ping)閥門應全打開,以便保(bao)(bao)證提供(gong)足夠的流量(liang)和穩定的壓(ya)(ya)力,防(fang)(fang)止低壓(ya)(ya)表雖已表示工作壓(ya)(ya)力,但(dan)使用(yong)(yong)(yong)時壓(ya)(ya)力突然下降,此(ci)時容易發生回火,并可能(neng)倒燃進入氧(yang)氣(qi)膠(jiao)管(guan)而引起(qi)爆炸。