膠管近年來,開始(shi)采用(yong)熱(re)塑(su)(su)性(xing)橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao),如熱(re)塑(su)(su)性(xing)聚氨酯橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)、聚酯橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)等。膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)因易彎曲、能緩沖、重量(liang)(liang)(liang)輕(qing)及安裝(zhuang)(zhuang)使(shi)用(yong)方便等優點(dian),用(yong)途十分廣泛(fan),如農(nong)業上排灌農(nong)田(tian)、港灣疏(shu)浚中吸(xi)排泥漿,飛機、坦克、汽車及許多(duo)機械裝(zhuang)(zhuang)備中的(de)(de)(de)液壓(ya)(ya)系統(tong)、氣(qi)動系統(tong)、燃油系統(tong)均使(shi)用(yong)許多(duo)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)。氣(qi)割操作需要較大的(de)(de)(de)氧(yang)(yang)氣(qi)輸出量(liang)(liang)(liang),因此與氧(yang)(yang)氣(qi)表(biao)高壓(ya)(ya)端(duan)連接的(de)(de)(de)氣(qi)瓶(或(huo)氧(yang)(yang)氣(qi)管(guan)(guan)道)閥(fa)門應(ying)全打(da)開,以(yi)便保證提供足夠的(de)(de)(de)流量(liang)(liang)(liang)和(he)穩定(ding)的(de)(de)(de)壓(ya)(ya)力,防止(zhi)低(di)壓(ya)(ya)表(biao)雖已表(biao)示工(gong)作壓(ya)(ya)力,但使(shi)用(yong)時(shi)壓(ya)(ya)力突然下降,此時(shi)容易發生回(hui)火(huo),并可能倒燃進(jin)入氧(yang)(yang)氣(qi)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)而引起爆(bao)炸(zha)。在(zai)保存(cun)、運輸和(he)使(shi)用(yong)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)時(shi)必須注意維(wei)護(hu)(hu),保持膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)的(de)(de)(de)清潔和(he)不(bu)受損壞。例如避免陽光照射,雨雪浸淋、防止(zhi)與酸、堿、油類(lei)及其(qi)他有機溶劑等影響膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)質(zhi)量(liang)(liang)(liang)的(de)(de)(de)物(wu)質(zhi)接觸(chu)。存(cun)放溫度為-15~40℃,距離熱(re)源應(ying)不(bu)小于(yu)1m.如果由于(yu)保存(cun)和(he)使(shi)用(yong)時(shi)維(wei)護(hu)(hu)不(bu)善,或(huo)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)使(shi)用(yong)日久老化脆硬(ying),這些膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管(guan)(guan)內的(de)(de)(de)硫磺(huang)質(zhi)被分解出來,常(chang)常(chang)會因此引起回(hui)火(huo)爆(bao)炸(zha)事故(gu)。