ISO 9974-3:1996 通用和液壓傳動(dòng)用聯(lián)接件 帶ISO 261彈性螺紋或金屬-金屬密封的氣門和雙頭螺栓端頭 第3部分:金屬-金屬密封的雙頭螺栓端頭(B型)
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)