加长直通卡套式接头采用锌合金、铜质、碳钢或不锈钢精加工而成。其外形光洁美观，设计新颖独特，密封性能良好，具有防锈、防水、防腐等优点。该系列接头可与阻燃金属软管配套使用,主要用于电力、冶金、化工、纺织、造纸、船舶的电动机及传动控制系统中电器箱，接线盒，电线管的进出线连接。代号公称压力(MPa)管子外径Dodd1LL1SS11911.1G(25)4G1/83481015151911.25G1/83.5491015151911.36G1/84551015161911.48G1/85621016181911.56G1/44551218211911.68G1/46621218241911.710G1/47661218211911.812G1/410681221241911.910G3/87661221211911.1012G3/810681221241911.1114G3/810701224241911.1212G1/210681527241911.1314G1/212701527241911.1415G1/213721527271911.1516G1/214721527271911.1618G1/214731527301911.1720G3/417801834341911.1822G3/419861834361911.1925G122912041411911.2028G124932041411911.2130G11/425992550501911.2232G11/427992550501911.2334G11/4301012550501911.2435G11/4301012550501911.2538G11/2321022560551911.2640G11/2341022560551911.2742G11/236102256060标记示例：管子外径Do为6mm、端部螺纹为G1/4的卡套式圆柱管螺纹端直通长管接头订货标识：管接头1911.5-9810件)