膠管用于輸(shu)送氧氣與乙(yi)炔的膠(jiao)(jiao)(jiao)管(guan)(guan)由內、外膠(jiao)(jiao)(jiao)層和(he)(he)中(zhong)間棉織纖(xian)維層組成,整個(ge)膠(jiao)(jiao)(jiao)管(guan)(guan)需經(jing)過(guo)特別的化(hua)學(xue)加工(gong)處理,以(yi)防(fang)止(zhi)(zhi)其(qi)高度燃燒性。在保(bao)(bao)存、運輸(shu)和(he)(he)使(shi)用膠(jiao)(jiao)(jiao)管(guan)(guan)時必須注意維護,保(bao)(bao)持膠(jiao)(jiao)(jiao)管(guan)(guan)的清潔和(he)(he)不(bu)受損壞;例如避免陽光(guang)照射,雨雪(xue)浸淋、防(fang)止(zhi)(zhi)與酸(suan)、堿(jian)、油類及(ji)其(qi)他有(you)機溶劑等影響膠(jiao)(jiao)(jiao)管(guan)(guan)質量的物質接(jie)觸(chu)。因此與氧氣表(biao)高壓端連接(jie)的氣瓶閥門(men)應全打開,以(yi)便保(bao)(bao)證提(ti)供足夠(gou)的流量和(he)(he)穩(wen)定的壓力,防(fang)止(zhi)(zhi)低壓表(biao)雖已表(biao)示(shi)工(gong)作(zuo)壓力,但使(shi)用時壓力突然下降,此時容易發生(sheng)回(hui)火,并可能(neng)倒燃進入氧氣膠(jiao)(jiao)(jiao)管(guan)(guan)而(er)引起爆炸。