膠管近年來,開始采用(yong)(yong)(yong)熱(re)塑性橡膠(jiao)(jiao),如熱(re)塑性聚氨酯(zhi)橡膠(jiao)(jiao)、聚酯(zhi)橡膠(jiao)(jiao)等。膠(jiao)(jiao)管(guan)(guan)因易彎曲、能緩沖、重(zhong)量(liang)輕及(ji)(ji)安裝使(shi)用(yong)(yong)(yong)方便(bian)等優點,用(yong)(yong)(yong)途十分廣泛,如農業(ye)上排灌農田、港灣疏(shu)浚中吸排泥漿,飛機、坦克、汽車及(ji)(ji)許多(duo)機械裝備中的(de)(de)(de)液壓(ya)(ya)系(xi)統、氣(qi)(qi)動系(xi)統、燃油系(xi)統均(jun)使(shi)用(yong)(yong)(yong)許多(duo)膠(jiao)(jiao)管(guan)(guan)。氣(qi)(qi)割操作需要較大的(de)(de)(de)氧氣(qi)(qi)輸出量(liang),因此與氧氣(qi)(qi)表高壓(ya)(ya)端連接(jie)的(de)(de)(de)氣(qi)(qi)瓶(或氧氣(qi)(qi)管(guan)(guan)道)閥門應全打開,以便(bian)保證提供(gong)足夠的(de)(de)(de)流量(liang)和穩定的(de)(de)(de)壓(ya)(ya)力,防(fang)止低壓(ya)(ya)表雖(sui)已(yi)表示工作壓(ya)(ya)力,但使(shi)用(yong)(yong)(yong)時壓(ya)(ya)力突(tu)然下降,此時容易發生回火(huo),并可(ke)能倒燃進入(ru)氧氣(qi)(qi)膠(jiao)(jiao)管(guan)(guan)而引(yin)起爆炸。在保存(cun)、運(yun)輸和使(shi)用(yong)(yong)(yong)膠(jiao)(jiao)管(guan)(guan)時必須注(zhu)意(yi)維護,保持(chi)膠(jiao)(jiao)管(guan)(guan)的(de)(de)(de)清潔和不(bu)受損(sun)壞。例如避免陽光照射,雨雪(xue)浸(jin)淋、防(fang)止與酸、堿、油類及(ji)(ji)其他有機溶劑等影響膠(jiao)(jiao)管(guan)(guan)質(zhi)量(liang)的(de)(de)(de)物質(zhi)接(jie)觸(chu)。存(cun)放溫度為-15~40℃,距(ju)離熱(re)源應不(bu)小于1m.如果(guo)由于保存(cun)和使(shi)用(yong)(yong)(yong)時維護不(bu)善(shan),或膠(jiao)(jiao)管(guan)(guan)使(shi)用(yong)(yong)(yong)日久老化脆硬,這些膠(jiao)(jiao)管(guan)(guan)內的(de)(de)(de)硫磺質(zhi)被(bei)分解出來,常(chang)常(chang)會因此引(yin)起回火(huo)爆炸事故。