BS EN 4803:2017规定了热管接头用4孔旋转法兰的特性 用于英寸系列航空航天应用的耐腐蚀钢。标称压力:高达21 000 kPa；取决于相关的密封件、管道材料、管道直径和管道 组件中的壁厚（见EN 4814）。交叉引用:EN 9100:2009EN 3487:2007EN 4814:2017EN 2424:2008EN 2516:1997EN 4315:2007EN 3468购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS EN 4803:2017 specifies the characteristics of swivel flanges, 4 holes, for pipe couplings in heat resisting steel for inch series aerospace applications.Nominal pressure: up to 21 000 kPa; depends on the associated seal, tube material, tube diameter and tube wall thickness in the assembly (see EN 4814).Cross References:EN 9100:2009EN 3487:2007EN 4814:2017EN 2424:2008EN 2516:1997EN 4315:2007EN 3468All current amendments available at time of purchase are included with the purchase of this document.