本文件定义了管阀和无管阀的基本尺寸和名称。 附录B给出了ISO名称与下列名称之间的对应关系: -轮胎轮辋协会ETRTO（欧洲轮胎和轮辋技术组织）；-JATMA（日本汽车轮胎制造商协会）。 在本文件的其余部分中，所有尺寸均以其标称值给出，但在特殊情况下除外 其中指出了公差。 未规定螺纹长度的阀杆的螺纹长度为最大可能长度。 交叉引用:ISO 20562ISO 4570ISO 3877-2购买本文件时提供的所有现行修订版均包含在购买本文件中。

This document defines the essential dimensions and the designation of tube valves and tubeless valves. Annex B gives the correspondence between ISO designations and the designations established by: — TRA (Tire and Rim Association Inc.);— ETRTO (European Tyre and Rim Technical Organisation);— JATMA (The Japan Automotive Tyre Manufacturer's Association, Inc.). In the remainder of this document, all the dimensions are given at their nominal value except in cases where the tolerances are indicated. The threaded length of valve stems for which no thread length is specified is the maximum possible length.Cross References:ISO 20562ISO 4570ISO 3877-2All current amendments available at time of purchase are included with the purchase of this document.