Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 2: Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends (ISO 6149-2:2006)
液压传动和通用连接件.带ISO 261公制螺纹和O形密封圈的端口和螺柱端.第2部分:重型(S系列)螺柱端的尺寸、设计、试验方法和要求(ISO 6149-2-2006);德文版EN ISO 6149-2:2007