膠管近年來(lai),開(kai)始采用(yong)熱塑性橡(xiang)膠,如熱塑性聚(ju)氨酯(zhi)橡(xiang)膠、聚(ju)酯(zhi)橡(xiang)膠等。膠管(guan)(guan)因易彎曲、能(neng)緩沖、重(zhong)量輕(qing)及安裝使(shi)用(yong)方便(bian)(bian)等優點,用(yong)途十分廣泛,如農(nong)業上排灌(guan)農(nong)田、港灣疏浚中(zhong)吸排泥漿,飛機(ji)、坦克、汽車(che)及許多機(ji)械裝備(bei)中(zhong)的(de)(de)液壓(ya)系(xi)統(tong)、氣(qi)(qi)(qi)(qi)動系(xi)統(tong)、燃油系(xi)統(tong)均使(shi)用(yong)許多膠管(guan)(guan)。氣(qi)(qi)(qi)(qi)割(ge)操作需要(yao)較大(da)的(de)(de)氧(yang)氣(qi)(qi)(qi)(qi)輸出量,因此(ci)與氧(yang)氣(qi)(qi)(qi)(qi)表(biao)高壓(ya)端連(lian)接的(de)(de)氣(qi)(qi)(qi)(qi)瓶(ping)(或氧(yang)氣(qi)(qi)(qi)(qi)管(guan)(guan)道(dao))閥門(men)應全打開(kai),以便(bian)(bian)保證提供(gong)足夠的(de)(de)流量和穩定(ding)的(de)(de)壓(ya)力(li)(li),防止低壓(ya)表(biao)雖已表(biao)示工作壓(ya)力(li)(li),但使(shi)用(yong)時(shi)(shi)壓(ya)力(li)(li)突(tu)然下降(jiang),此(ci)時(shi)(shi)容易發(fa)生回(hui)火,并可(ke)能(neng)倒燃進入(ru)氧(yang)氣(qi)(qi)(qi)(qi)膠管(guan)(guan)而引(yin)起(qi)爆炸。在保存、運輸和使(shi)用(yong)膠管(guan)(guan)時(shi)(shi)必須注意維護,保持膠管(guan)(guan)的(de)(de)清潔和不受損壞(huai)。例如避免陽光照射,雨雪浸淋、防止與酸(suan)、堿、油類及其他有機(ji)溶(rong)劑等影響膠管(guan)(guan)質量的(de)(de)物質接觸。存放溫度(du)為-15~40℃,距離熱源(yuan)應不小(xiao)于1m.如果由于保存和使(shi)用(yong)時(shi)(shi)維護不善(shan),或膠管(guan)(guan)使(shi)用(yong)日久老化脆硬,這些(xie)膠管(guan)(guan)內(nei)的(de)(de)硫磺質被分解出來(lai),常(chang)常(chang)會因此(ci)引(yin)起(qi)回(hui)火爆炸事故。