本文件定义了适用于所有类型配件和联轴器的术语。

This document defines terms which are used for all types of fittings and couplings. NOTE - In addition to text written in the official ISO languages (English, French), this document gives text in German and Chinese. This text is published under the responsibility of the Member Body for Germany (DIN) and the Member Body for China (SAC) and is given for information only. Only the text given in the official lan-guages can be considered as ISO text.