本文件规定了专用液化石油气自动关闭钢瓶阀门的设计、规范、型式试验、生产试验和检验要求，这些阀门与可运输可再充装液化石油气钢瓶一起使用并直接连接。 它还包括蒸汽和液体服务相关设备的要求。本文件不包括爆破片和/或易熔塞。 附录A确定了生产测试和检验的要求。 本文件不包括其他不是专用自动关闭气瓶阀组成部分的LPG气瓶装置。 本文件不适用于固定式汽车装置的钢瓶阀和球阀。 注？对于手动操作的液化石油气钢瓶阀门，参见ISO？15995。有关压缩、溶解和其他液化气体的钢瓶阀门，请参见ISO？10297、ISO？17871或ISO？17879。

This document specifies the requirements for design, specification, type testing and production testing and inspection for dedicated LPG self-closing cylinder valves for use with and directly connected to transportable refillable LPG cylinders. It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this document. Annex？A identifies requirements for production testing and inspection. This document excludes other LPG cylinder devices which are not an integral part of the dedicated self-closing cylinder valve. This document does not apply to cylinder valves for fixed automotive installations and ball valves. NOTE？For manually operated LPG cylinder valves see ISO？15995. For cylinder valves for compressed, dissolved and other liquefied gases see ISO？10297, ISO？17871 or ISO？17879.