膠管近年來,開始采(cai)用(yong)(yong)(yong)熱塑(su)性橡(xiang)膠,如(ru)(ru)熱塑(su)性聚氨酯(zhi)橡(xiang)膠、聚酯(zhi)橡(xiang)膠等。膠管(guan)(guan)因易彎曲、能(neng)緩沖、重量(liang)輕及安裝使(shi)用(yong)(yong)(yong)方(fang)便(bian)等優點,用(yong)(yong)(yong)途十分廣泛(fan),如(ru)(ru)農業上排灌(guan)農田、港灣(wan)疏浚(jun)中(zhong)吸排泥漿,飛機、坦克、汽(qi)車(che)及許多機械裝備(bei)中(zhong)的(de)(de)(de)液壓(ya)(ya)系統(tong)、氣動(dong)系統(tong)、燃(ran)油(you)系統(tong)均使(shi)用(yong)(yong)(yong)許多膠管(guan)(guan)。氣割操作(zuo)需(xu)要較大的(de)(de)(de)氧(yang)氣輸(shu)出(chu)量(liang),因此與(yu)氧(yang)氣表高(gao)壓(ya)(ya)端連接的(de)(de)(de)氣瓶(或氧(yang)氣管(guan)(guan)道)閥門(men)應全打(da)開,以便(bian)保證(zheng)提供足夠的(de)(de)(de)流量(liang)和(he)穩定(ding)的(de)(de)(de)壓(ya)(ya)力,防止低壓(ya)(ya)表雖已(yi)表示工(gong)作(zuo)壓(ya)(ya)力,但使(shi)用(yong)(yong)(yong)時壓(ya)(ya)力突然下降,此時容易發(fa)生回(hui)火(huo),并可能(neng)倒燃(ran)進入(ru)氧(yang)氣膠管(guan)(guan)而引(yin)起(qi)爆(bao)炸(zha)。在(zai)保存(cun)(cun)、運輸(shu)和(he)使(shi)用(yong)(yong)(yong)膠管(guan)(guan)時必(bi)須注意維護,保持膠管(guan)(guan)的(de)(de)(de)清潔和(he)不(bu)受(shou)損壞。例如(ru)(ru)避免陽光(guang)照射(she),雨雪(xue)浸淋、防止與(yu)酸、堿、油(you)類(lei)及其(qi)他有機溶(rong)劑等影響膠管(guan)(guan)質(zhi)量(liang)的(de)(de)(de)物質(zhi)接觸。存(cun)(cun)放溫度為(wei)-15~40℃,距離熱源應不(bu)小于1m.如(ru)(ru)果由于保存(cun)(cun)和(he)使(shi)用(yong)(yong)(yong)時維護不(bu)善,或膠管(guan)(guan)使(shi)用(yong)(yong)(yong)日久老化脆(cui)硬,這些膠管(guan)(guan)內的(de)(de)(de)硫(liu)磺質(zhi)被分解出(chu)來,常常會因此引(yin)起(qi)回(hui)火(huo)爆(bao)炸(zha)事(shi)故。