承插管件由圓鋼或鋼錠模鍛成型后機加工的管道連接件,它的連接形式是承插焊接(SocketWelding-SW),將鋼管插入承插孔內進行焊接,因此,被稱為“承插管件”,主要制造標準為ANSI/ASMEB16.11、MSSSP-83、GB/T14383-2008.
承插管件的品種包括45°彎頭、90°彎頭、三通、四通、45°斜三通、雙承口管(guan)(guan)(guan)箍(gu)、單承口管(guan)(guan)(guan)箍(gu)、管(guan)(guan)(guan)帽(mao)、活接(jie)頭、支管(guan)(guan)(guan)座等(deng).其中,三通和(he)四通有(you)等(deng)徑(jing)和(he)異徑(jing)之(zhi)(zhi)分(fen);雙承口管(guan)(guan)(guan)箍(gu)同樣有(you)等(deng)徑(jing)和(he)異徑(jing)之(zhi)(zhi)分(fen),異徑(jing)的雙承口管(guan)(guan)(guan)箍(gu)還有(you)同心(xin)和(he)偏心(xin)之(zhi)(zhi)分(fen).