EN ISO 9974-3-2000 通用和液压用连接.用ISO 261螺纹的弹性密封或金属与金属密封的气门和双头螺栓端头.第3部分:(B型)金属与金属密封的双头螺拴端头 ISO 9974-3-1996
Connections for General Use and Fluid Power - Ports and Stud Ends with ISO 261 Threads with Elastomeric or Metal-To-Metal Sealing - Part 3: Stud Ends with Metal-To-Metal Sealing (Type B) ISO 9974-3:1996