本文件旨在为根据（EN 1366-3和EN 1366-1）或（EN 1366-3和EN 1366-2）测试系统的组合贯穿件密封件的扩展应用文件的编制提供原则和指南。扩展应用文件的字段是EN 1366-1、EN 1366-2和EN 1366-3中给出的直接应用字段的补充，可以应用于每个标准的大量试验，这些试验为扩展应用的制定提供了相关信息。购买本文件时可获得的所有当前修订均包含在购买本文件中。

The purpose of this document is to provide the principles and guidance for the preparation of extended application documents for combined penetration seals where the systems were tested in accordance with (EN 1366-3 and EN 1366-1) or (EN 1366-3 and EN 1366-2). The field of the extended application document is additional to the direct field of application given within EN 1366-1, EN 1366-2 and EN 1366-3 and can be applied on a number of tests from each standard, which provide the relevant information for the formulation of an extended application.All current amendments available at time of purchase are included with the purchase of this document.