膠管近年(nian)來,開始采用(yong)(yong)熱塑(su)性橡膠(jiao),如(ru)(ru)熱塑(su)性聚(ju)氨酯橡膠(jiao)、聚(ju)酯橡膠(jiao)等。膠(jiao)管(guan)因(yin)(yin)易彎曲、能(neng)緩沖、重(zhong)量輕及(ji)安裝使(shi)用(yong)(yong)方便(bian)等優點,用(yong)(yong)途(tu)十分(fen)廣泛,如(ru)(ru)農業(ye)上排灌(guan)農田(tian)、港(gang)灣疏浚中吸(xi)排泥(ni)漿,飛機、坦克、汽車(che)及(ji)許多機械裝備中的液壓(ya)系(xi)(xi)統(tong)、氣(qi)(qi)動系(xi)(xi)統(tong)、燃油系(xi)(xi)統(tong)均使(shi)用(yong)(yong)許多膠(jiao)管(guan)。氣(qi)(qi)割(ge)操(cao)作需要較大的氧(yang)氣(qi)(qi)輸出量,因(yin)(yin)此與氧(yang)氣(qi)(qi)表(biao)高壓(ya)端連接(jie)的氣(qi)(qi)瓶(或(huo)氧(yang)氣(qi)(qi)管(guan)道)閥門(men)應全打(da)開,以便(bian)保(bao)證提供足夠的流量和穩定(ding)的壓(ya)力(li)(li),防(fang)止(zhi)低壓(ya)表(biao)雖(sui)已表(biao)示(shi)工作壓(ya)力(li)(li),但(dan)使(shi)用(yong)(yong)時壓(ya)力(li)(li)突然下降,此時容易發生回(hui)火(huo),并可能(neng)倒燃進入(ru)氧(yang)氣(qi)(qi)膠(jiao)管(guan)而引起爆(bao)(bao)炸(zha)。在保(bao)存、運輸和使(shi)用(yong)(yong)膠(jiao)管(guan)時必(bi)須注意(yi)維(wei)護(hu),保(bao)持膠(jiao)管(guan)的清潔和不受損壞(huai)。例(li)如(ru)(ru)避免陽光照射,雨(yu)雪浸淋、防(fang)止(zhi)與酸、堿、油類及(ji)其他有(you)機溶劑等影響膠(jiao)管(guan)質(zhi)量的物質(zhi)接(jie)觸。存放溫度(du)為-15~40℃,距離熱源應不小于(yu)1m.如(ru)(ru)果由于(yu)保(bao)存和使(shi)用(yong)(yong)時維(wei)護(hu)不善,或(huo)膠(jiao)管(guan)使(shi)用(yong)(yong)日久老化(hua)脆硬,這些(xie)膠(jiao)管(guan)內的硫磺質(zhi)被(bei)分(fen)解(jie)出來,常(chang)常(chang)會因(yin)(yin)此引起回(hui)火(huo)爆(bao)(bao)炸(zha)事故(gu)。