45系列拖链-两侧可打开系列号内高内宽外高外宽弯曲半径（R）对应接头孔距（mm)接头订购型号454550677475,100,125,150200,250B=65.545.50S.34PZ4545756799B=90.545.75S.34PZ454510067124B=115.545.100S.34PZ454512567149B=140.545.125S.34PZ454515067174B=165.545.150S.34PZ454517567199B=190.545.175S.34PZ454520067224B=215.545.200S.34PZ主要技术参数***大允许电缆外径41***大水平悬空长度2.8***大允许行程80***大允许垂直悬挂30·节距=67mm，每米节数=15，链长=S/2+K,S=行程距离，K=πR+“安全量”)