雙(shuang)壁纖(xian)(xian)維(wei)(wei)網鋼(gang)骨架復合管以聚(ju)乙(yi)(yi)烯（PE）樹脂為(wei)原材(cai)料，采用(yong)(yong)雙(shuang)層共(gong)擠工藝成(cheng)(cheng)型為(wei)內(nei)壁藍色(se)、外(wai)壁黑色(se)的(de)內(nei)層“凹”形(xing)中空板(ban)(ban)帶(dai)，用(yong)(yong)鍍鋅鋼(gang)帶(dai)軋制(zhi)成(cheng)(cheng)型為(wei)“Ω”形(xing)的(de)鋼(gang)骨架機(ji)械卡扣在“凹”形(xing)中空板(ban)(ban)帶(dai)中作為(wei)主要支撐結構，外(wai)壁用(yong)(yong)纖(xian)(xian)維(wei)(wei)網（玄(xuan)武巖纖(xian)(xian)維(wei)(wei)或(huo)玻璃纖(xian)(xian)維(wei)(wei)）增(zeng)強的(de)復合聚(ju)乙(yi)(yi)烯層，使(shi)用(yong)(yong)纏繞成(cheng)(cheng)型工藝，加(jia)工制(zhi)成(cheng)(cheng)內(nei)壁平(ping)直(zhi)光滑、外(wai)壁呈螺(luo)旋波紋狀的(de)雙(shuang)壁纖(xian)(xian)維(wei)(wei)網鋼(gang)骨架復合管（簡稱“DFSP”管道）。