膠管近年來,開(kai)始采用(yong)(yong)熱塑性橡(xiang)膠(jiao)(jiao),如(ru)(ru)熱塑性聚(ju)氨酯橡(xiang)膠(jiao)(jiao)、聚(ju)酯橡(xiang)膠(jiao)(jiao)等(deng)。膠(jiao)(jiao)管(guan)因易彎(wan)曲、能緩(huan)沖、重量(liang)輕(qing)及(ji)安裝使(shi)用(yong)(yong)方便等(deng)優點,用(yong)(yong)途(tu)十分廣泛,如(ru)(ru)農業上排灌農田、港(gang)灣疏浚中吸排泥漿(jiang),飛機(ji)、坦克、汽車及(ji)許(xu)多機(ji)械裝備(bei)中的液壓(ya)系(xi)統、氣(qi)(qi)動系(xi)統、燃油系(xi)統均(jun)使(shi)用(yong)(yong)許(xu)多膠(jiao)(jiao)管(guan)。氣(qi)(qi)割操作需要較大的氧(yang)氣(qi)(qi)輸出量(liang),因此與(yu)氧(yang)氣(qi)(qi)表高壓(ya)端(duan)連(lian)接的氣(qi)(qi)瓶(或氧(yang)氣(qi)(qi)管(guan)道)閥門應全打開(kai),以便保(bao)證提(ti)供足夠的流(liu)量(liang)和(he)穩定的壓(ya)力(li),防(fang)止低壓(ya)表雖已表示工作壓(ya)力(li),但(dan)使(shi)用(yong)(yong)時(shi)(shi)壓(ya)力(li)突然下(xia)降,此時(shi)(shi)容易發(fa)生回火(huo),并可能倒燃進入氧(yang)氣(qi)(qi)膠(jiao)(jiao)管(guan)而引起爆炸(zha)(zha)。在保(bao)存、運輸和(he)使(shi)用(yong)(yong)膠(jiao)(jiao)管(guan)時(shi)(shi)必須(xu)注(zhu)意維護,保(bao)持膠(jiao)(jiao)管(guan)的清潔和(he)不受損(sun)壞。例(li)如(ru)(ru)避免陽光(guang)照射,雨雪(xue)浸淋、防(fang)止與(yu)酸、堿、油類及(ji)其他有機(ji)溶(rong)劑等(deng)影響(xiang)膠(jiao)(jiao)管(guan)質(zhi)量(liang)的物質(zhi)接觸。存放(fang)溫(wen)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(he)使(shi)用(yong)(yong)時(shi)(shi)維護不善,或膠(jiao)(jiao)管(guan)使(shi)用(yong)(yong)日(ri)久老化(hua)脆硬,這(zhe)些膠(jiao)(jiao)管(guan)內的硫磺質(zhi)被分解(jie)出來,常(chang)常(chang)會因此引起回火(huo)爆炸(zha)(zha)事故。