Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E) (ISO 1179-2:2007)
通用和流体动力连接件.带ISO 228-1弹性或金属对金属密封螺纹的端口和螺柱端.第2部分:带弹性密封(E型)的重型(S系列)和轻型(L系列)螺柱端(ISO 1179-2-2007)