通用和液压传动用联接件 带ISO 261弹性螺纹或金属-金属密封的气门和双头螺栓端头 第1部分:螺纹气门 ISO 9974-1 - 1996
适用范围
This part of ISO 9974 specifies dimensions for ports with ISO 261 threads and elastomeric (type E) or metal-to-metal (type B) sealing for general use and in fluid power applications with the stud ends detailed in ISO 9974-2 and ISO 9974-3. It also specifies test methods and the designation of these ports.
Ports in accordance with this part of ISO 9974 may be used at working pressures up to 63 MPa (630 bar). The permissible working pressure depends upon the port size, materials, design, working conditions, application, etc.
For threaded ports and stud ends specified in new designs in hydraulic fluid power applications, only ISO 61 49 is to be used. Threaded ports and stud ends in accordance with IS0 1179, ISO 9974 and ISO 11926 are not to be used for new designs in hydraulic fluid power applications.
端口尺寸
螺纹 d1×P | d2 | d3 | d4 | L1 | L2 | L3 | W | |
参考 | 最小=公称 | 最大值 | 最小值 | 最大值 | 最小值 | 最小值 | ||
M8×1 | 3 | 8 | 8.2 | 13 | 1 | 8 | 10 | 0.1 |
M10×1 | 4.5 | 10 | 10.2 | 15 | 1 | 8 | 10 | 0.1 |
M12×1.5 | 6 | 12 | 12.2 | 18 | 1.5 | 12 | 15 | 0.1 |
M14×1.5 | 7 | 14 | 14.2 | 20 | 1.5 | 12 | 15 | 0.1 |
M16×1.5 | 9 | 16 | 16.2 | 23 | 1.5 | 12 | 15 | 0.1 |
M18×1.5 | 11 | 18 | 18.2 | 25 | 2 | 12 | 15 | 0.1 |
M20×1.5 | 10 | 20 | 20.2 | 27 | 2 | 14 | 17 | 0.1 |
M22×1.5 | 14 | 22 | 22.2 | 28 | 2.5 | 14 | 17 | 0.1 |
M26×1.5 | 18 | 26 | 26.2 | 33 | 2.5 | 16 | 19 | 0.2 |
M27×2 | 16 | 27 | 27.2 | 33 | 2.5 | 16 | 20 | 0.2 |
M33×2 | 23 | 33 | 33.3 | 41 | 2.5 | 18 | 22 | 0.2 |
M42×2 | 30 | 42 | 42.3 | 51 | 2.5 | 20 | 24 | 0.2 |
M48×2 | 36 | 48 | 48.3 | 56 | 2.5 | 22 | 36 | 0.2 |