大連硬管生產的基本工序為混煉膠加工、簾布及帆布加工、膠管成型、硫化等。不同結構及不同骨架的膠管，其骨架層的加工方法及膠管成型設備各異。硬管已(yi)應用于生活生產的(de)諸多領域，歸納使用工況，常見管(guan)(guan)(guan)類包括：輸水(shui)管(guan)(guan)(guan)、熱水(shui)管(guan)(guan)(guan)、蒸(zheng)汽管(guan)(guan)(guan)、海用管(guan)(guan)(guan)、食品飲料管(guan)(guan)(guan)、空氣管(guan)(guan)(guan)、焊接管(guan)(guan)(guan)、燃氣管(guan)(guan)(guan)、通風管(guan)(guan)(guan)、物料管(guan)(guan)(guan)、輸油管(guan)(guan)(guan)、化學管(guan)(guan)(guan)、高壓管(guan)(guan)(guan)等(deng)等(deng)。用以輸送氣體、液(ye)體、漿狀或粒狀物料的(de)一類管(guan)(guan)(guan)狀橡(xiang)膠(jiao)(jiao)(jiao)制品。由(you)內(nei)外膠(jiao)(jiao)(jiao)層和骨架層組成，骨架層的(de)材料可用棉纖(xian)維(wei)(wei)、各(ge)種(zhong)合成纖(xian)維(wei)(wei)、碳纖(xian)維(wei)(wei)或石棉、鋼(gang)絲等(deng)。一般膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)的(de)內(nei)外膠(jiao)(jiao)(jiao)層材料采用天然橡(xiang)膠(jiao)(jiao)(jiao)、丁(ding)苯橡(xiang)膠(jiao)(jiao)(jiao)或順丁(ding)橡(xiang)膠(jiao)(jiao)(jiao)；耐油膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)采用氯丁(ding)橡(xiang)膠(jiao)(jiao)(jiao)、丁(ding)腈橡(xiang)膠(jiao)(jiao)(jiao)；耐酸堿，耐高溫膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)采用乙(yi)丙橡(xiang)膠(jiao)(jiao)(jiao)、氟(fu)橡(xiang)膠(jiao)(jiao)(jiao)或硅(gui)橡(xiang)膠(jiao)(jiao)(jiao)等(deng)。