Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 3: Light-duty (L series) stud ends with sealing by O-ring with retaining ring (types G and H) (ISO 1179-3:2007)
通用和流体动力连接件.带ISO 228-1弹性体或金属对金属密封螺纹的端口和螺柱端.第3部分:带O形圈和挡圈密封的轻型(L系列)螺柱端(G型和H型)(ISO 1179-3-2007);德文版EN ISO 1179-3:2008