膠管近年來,開始采用熱(re)塑性(xing)橡膠(jiao)(jiao),如(ru)(ru)(ru)熱(re)塑性(xing)聚氨(an)酯橡膠(jiao)(jiao)、聚酯橡膠(jiao)(jiao)等(deng)(deng)。膠(jiao)(jiao)管(guan)(guan)(guan)因易彎曲、能(neng)緩沖、重量(liang)輕(qing)及安裝(zhuang)使(shi)(shi)(shi)用方便(bian)等(deng)(deng)優點,用途(tu)十分廣泛,如(ru)(ru)(ru)農業(ye)上排灌(guan)農田、港灣疏浚中吸排泥漿,飛(fei)機(ji)、坦克、汽(qi)車(che)及許(xu)多機(ji)械裝(zhuang)備中的液壓系(xi)統(tong)、氣(qi)(qi)(qi)動系(xi)統(tong)、燃(ran)油系(xi)統(tong)均使(shi)(shi)(shi)用許(xu)多膠(jiao)(jiao)管(guan)(guan)(guan)。氣(qi)(qi)(qi)割操(cao)作需要較(jiao)大的氧氣(qi)(qi)(qi)輸出(chu)量(liang),因此與(yu)氧氣(qi)(qi)(qi)表高壓端連接的氣(qi)(qi)(qi)瓶(或氧氣(qi)(qi)(qi)管(guan)(guan)(guan)道)閥門(men)應全打開,以(yi)便(bian)保(bao)(bao)證提供足夠的流量(liang)和(he)穩定的壓力,防止低壓表雖已表示工(gong)作壓力,但使(shi)(shi)(shi)用時(shi)壓力突然下降,此時(shi)容易發(fa)生回火(huo),并可能(neng)倒(dao)燃(ran)進入(ru)氧氣(qi)(qi)(qi)膠(jiao)(jiao)管(guan)(guan)(guan)而引(yin)起爆(bao)炸。在保(bao)(bao)存、運輸和(he)使(shi)(shi)(shi)用膠(jiao)(jiao)管(guan)(guan)(guan)時(shi)必(bi)須注意(yi)維護,保(bao)(bao)持膠(jiao)(jiao)管(guan)(guan)(guan)的清潔和(he)不(bu)(bu)受損壞。例如(ru)(ru)(ru)避免陽光照射,雨雪浸淋(lin)、防止與(yu)酸(suan)、堿、油類及其(qi)他有機(ji)溶劑等(deng)(deng)影響膠(jiao)(jiao)管(guan)(guan)(guan)質(zhi)量(liang)的物質(zhi)接觸。存放溫度為-15~40℃,距離熱(re)源應不(bu)(bu)小(xiao)于(yu)1m.如(ru)(ru)(ru)果由于(yu)保(bao)(bao)存和(he)使(shi)(shi)(shi)用時(shi)維護不(bu)(bu)善,或膠(jiao)(jiao)管(guan)(guan)(guan)使(shi)(shi)(shi)用日久老化脆硬,這(zhe)些膠(jiao)(jiao)管(guan)(guan)(guan)內(nei)的硫磺質(zhi)被(bei)分解出(chu)來,常常會(hui)因此引(yin)起回火(huo)爆(bao)炸事故。