膠管近年來,開始(shi)采用(yong)熱塑(su)性橡(xiang)膠(jiao)(jiao)(jiao),如熱塑(su)性聚氨酯橡(xiang)膠(jiao)(jiao)(jiao)、聚酯橡(xiang)膠(jiao)(jiao)(jiao)等(deng)。膠(jiao)(jiao)(jiao)管(guan)因(yin)易彎曲、能緩沖、重量(liang)(liang)(liang)輕及(ji)安裝使(shi)用(yong)方便等(deng)優點,用(yong)途十分廣泛,如農(nong)業上排灌農(nong)田、港灣疏浚中吸(xi)排泥漿(jiang),飛機(ji)、坦克(ke)、汽(qi)車及(ji)許多機(ji)械裝備中的液壓(ya)(ya)系(xi)(xi)統、氣動系(xi)(xi)統、燃油系(xi)(xi)統均使(shi)用(yong)許多膠(jiao)(jiao)(jiao)管(guan)。氣割操作需要(yao)較大(da)的氧(yang)氣輸(shu)出量(liang)(liang)(liang),因(yin)此(ci)與氧(yang)氣表(biao)高壓(ya)(ya)端連(lian)接的氣瓶(或(huo)氧(yang)氣管(guan)道)閥門(men)應全打開,以便保(bao)證提供足(zu)夠(gou)的流量(liang)(liang)(liang)和(he)穩定(ding)的壓(ya)(ya)力,防(fang)止低壓(ya)(ya)表(biao)雖已表(biao)示工作壓(ya)(ya)力,但使(shi)用(yong)時壓(ya)(ya)力突然下降,此(ci)時容(rong)易發生回火(huo),并可能倒燃進(jin)入氧(yang)氣膠(jiao)(jiao)(jiao)管(guan)而引起爆炸。在保(bao)存(cun)(cun)、運(yun)輸(shu)和(he)使(shi)用(yong)膠(jiao)(jiao)(jiao)管(guan)時必須注意維護,保(bao)持膠(jiao)(jiao)(jiao)管(guan)的清潔和(he)不受(shou)損壞(huai)。例如避免陽光照射,雨雪浸淋、防(fang)止與酸、堿、油類及(ji)其他有機(ji)溶劑等(deng)影響(xiang)膠(jiao)(jiao)(jiao)管(guan)質(zhi)(zhi)量(liang)(liang)(liang)的物質(zhi)(zhi)接觸。存(cun)(cun)放溫度為(wei)-15~40℃,距離熱源應不小于1m.如果由于保(bao)存(cun)(cun)和(he)使(shi)用(yong)時維護不善,或(huo)膠(jiao)(jiao)(jiao)管(guan)使(shi)用(yong)日久老化(hua)脆硬,這(zhe)些膠(jiao)(jiao)(jiao)管(guan)內(nei)的硫磺質(zhi)(zhi)被分解出來,常常會(hui)因(yin)此(ci)引起回火(huo)爆炸事故。