膠管近年來,開始采用(yong)(yong)熱(re)塑性橡膠(jiao)(jiao),如熱(re)塑性聚氨酯橡膠(jiao)(jiao)、聚酯橡膠(jiao)(jiao)等。膠(jiao)(jiao)管(guan)(guan)因(yin)(yin)易彎曲(qu)、能(neng)緩沖、重(zhong)量(liang)輕(qing)及安裝使用(yong)(yong)方(fang)便等優點,用(yong)(yong)途(tu)十分廣泛,如農業上排灌農田、港灣(wan)疏浚(jun)中吸排泥漿,飛機、坦克(ke)、汽(qi)車及許多(duo)機械裝備中的液壓(ya)(ya)(ya)(ya)(ya)系統、氣(qi)動系統、燃油(you)系統均使用(yong)(yong)許多(duo)膠(jiao)(jiao)管(guan)(guan)。氣(qi)割操作需要較大的氧(yang)氣(qi)輸出(chu)量(liang),因(yin)(yin)此(ci)與氧(yang)氣(qi)表(biao)高(gao)壓(ya)(ya)(ya)(ya)(ya)端(duan)連接(jie)的氣(qi)瓶(或氧(yang)氣(qi)管(guan)(guan)道)閥門應(ying)全打開,以便保證提供足夠的流量(liang)和(he)穩定(ding)的壓(ya)(ya)(ya)(ya)(ya)力,防止低壓(ya)(ya)(ya)(ya)(ya)表(biao)雖已表(biao)示工(gong)作壓(ya)(ya)(ya)(ya)(ya)力,但使用(yong)(yong)時壓(ya)(ya)(ya)(ya)(ya)力突(tu)然下降(jiang),此(ci)時容易發生回火,并可(ke)能(neng)倒燃進入氧(yang)氣(qi)膠(jiao)(jiao)管(guan)(guan)而引起爆炸。在(zai)保存(cun)(cun)、運輸和(he)使用(yong)(yong)膠(jiao)(jiao)管(guan)(guan)時必須注(zhu)意維(wei)護,保持膠(jiao)(jiao)管(guan)(guan)的清潔和(he)不受損壞(huai)。例如避免陽光照射,雨雪浸(jin)淋、防止與酸、堿、油(you)類及其他有機溶劑等影響(xiang)膠(jiao)(jiao)管(guan)(guan)質量(liang)的物質接(jie)觸。存(cun)(cun)放溫(wen)度為-15~40℃,距離熱(re)源(yuan)應(ying)不小于1m.如果由于保存(cun)(cun)和(he)使用(yong)(yong)時維(wei)護不善(shan),或膠(jiao)(jiao)管(guan)(guan)使用(yong)(yong)日久老(lao)化(hua)脆硬,這些膠(jiao)(jiao)管(guan)(guan)內的硫磺(huang)質被分解出(chu)來,常(chang)常(chang)會(hui)因(yin)(yin)此(ci)引起回火爆炸事故。