膠管近年(nian)來,開(kai)始采用(yong)(yong)熱塑性橡(xiang)膠(jiao)(jiao)(jiao),如(ru)熱塑性聚氨(an)酯(zhi)(zhi)橡(xiang)膠(jiao)(jiao)(jiao)、聚酯(zhi)(zhi)橡(xiang)膠(jiao)(jiao)(jiao)等(deng)。膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)因易(yi)(yi)彎曲、能緩(huan)沖、重量(liang)輕及安裝(zhuang)使用(yong)(yong)方便等(deng)優(you)點,用(yong)(yong)途十(shi)分廣泛,如(ru)農(nong)業上排(pai)灌農(nong)田、港灣疏(shu)浚中(zhong)吸排(pai)泥漿,飛(fei)機(ji)、坦克、汽車及許多機(ji)械裝(zhuang)備中(zhong)的(de)(de)液壓(ya)(ya)(ya)系統、氣(qi)動系統、燃油系統均使用(yong)(yong)許多膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)。氣(qi)割操(cao)作(zuo)需要較(jiao)大的(de)(de)氧(yang)氣(qi)輸出(chu)(chu)量(liang),因此與氧(yang)氣(qi)表(biao)(biao)(biao)高(gao)壓(ya)(ya)(ya)端連接(jie)的(de)(de)氣(qi)瓶(或(huo)氧(yang)氣(qi)管(guan)(guan)(guan)道)閥門應(ying)全打開(kai),以便保(bao)(bao)證提供足夠的(de)(de)流量(liang)和(he)穩定的(de)(de)壓(ya)(ya)(ya)力(li),防止(zhi)(zhi)低壓(ya)(ya)(ya)表(biao)(biao)(biao)雖已表(biao)(biao)(biao)示工作(zuo)壓(ya)(ya)(ya)力(li),但使用(yong)(yong)時壓(ya)(ya)(ya)力(li)突(tu)然下降,此時容易(yi)(yi)發生回火(huo),并可(ke)能倒燃進入氧(yang)氣(qi)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)而引起爆(bao)炸。在保(bao)(bao)存(cun)(cun)、運輸和(he)使用(yong)(yong)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)時必須(xu)注意維護,保(bao)(bao)持膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)的(de)(de)清潔和(he)不受(shou)損壞。例如(ru)避免陽光照射,雨雪浸淋、防止(zhi)(zhi)與酸、堿、油類(lei)及其他有機(ji)溶劑(ji)等(deng)影(ying)響膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)質(zhi)(zhi)量(liang)的(de)(de)物質(zhi)(zhi)接(jie)觸。存(cun)(cun)放溫度為-15~40℃,距離(li)熱源應(ying)不小于(yu)1m.如(ru)果由于(yu)保(bao)(bao)存(cun)(cun)和(he)使用(yong)(yong)時維護不善,或(huo)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)使用(yong)(yong)日久老化脆硬,這(zhe)些膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)內的(de)(de)硫磺(huang)質(zhi)(zhi)被分解出(chu)(chu)來,常(chang)常(chang)會因此引起回火(huo)爆(bao)炸事故。