管(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)是將管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)連(lian)(lian)接(jie)(jie)成(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)路的(de)零件(jian)(jian)(jian)(jian)(jian)。根(gen)(gen)據連(lian)(lian)接(jie)(jie)方法(fa)可分為承插式管(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、螺紋管(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、法(fa)蘭管(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)和焊接(jie)(jie)管(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)四(si)(si)類(lei)。多用與管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)相同(tong)的(de)材料制成(cheng)。有彎(wan)頭(tou)(肘管(guan)(guan)(guan)(guan)(guan)(guan))、法(fa)蘭、三通管(guan)(guan)(guan)(guan)(guan)(guan)、四(si)(si)通管(guan)(guan)(guan)(guan)(guan)(guan)(十字(zi)頭(tou))和異徑(jing)管(guan)(guan)(guan)(guan)(guan)(guan)(大小頭(tou))等(deng)。彎(wan)頭(tou)用于(yu)(yu)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)轉彎(wan)的(de)地(di)方;法(fa)蘭用于(yu)(yu)使管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)與管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)相互連(lian)(lian)接(jie)(jie)的(de)零件(jian)(jian)(jian)(jian)(jian),連(lian)(lian)接(jie)(jie)于(yu)(yu)管(guan)(guan)(guan)(guan)(guan)(guan)端,三通管(guan)(guan)(guan)(guan)(guan)(guan)用于(yu)(yu)三根(gen)(gen)管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)匯集的(de)地(di)方;四(si)(si)通管(guan)(guan)(guan)(guan)(guan)(guan)用于(yu)(yu)四(si)(si)根(gen)(gen)管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)匯集的(de)地(di)方;異徑(jing)管(guan)(guan)(guan)(guan)(guan)(guan)用于(yu)(yu)不同(tong)管(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)的(de)兩根(gen)(gen)管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)相連(lian)(lian)接(jie)(jie)的(de)地(di)方。