Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 4: Stud ends for general use only with metal-to-metal sealing (type B) (ISO 1179-4:2007)
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4部分:仅带金属对金属密封的通用螺柱端(B型)(ISO 1179-4-2007);德文版EN ISO 1179-4:2008