本文件规定了带切断阀的快接管接头的规范和型式试验。它适用于气焊、切割和相关工艺设备中调节器和焊炬之间使用的快接管接头。 本文件适用于根据ISO 3821与软管或ISO/TR 28821与螺纹接头一起使用的情况。

This document defines the specifications and the type tests for quick-action couplings with shut-off valves. It applies to quick-action couplings used between the regulator and the torch in equipment for gas welding, cutting and allied processes. This document applies to cases where these couplings are used with hoses in accordance with ISO 3821 or threaded unions in accordance with ISO/TR 28821.