| 1. | Industrial pipework . orifice flanges for differential pressure devices 工业管道.差动压力装置的有孔法兰盘 |
| 2. | Hydraulic fluid power - filters - test method for differential pressure devices 液压传动.过滤器.差压设备试验方法 |
| 3. | Hydraulic fluid power - filters - test method for differential pressure devices 液压传动.过滤器.差压设备试验方法 |
| 4. | Differential pressure devices 差压装置 |
| 5. | Flow measurement - installation layouts for differential pressure devices based on differential pressure method 流量测量.基于压差法的压差装置的安装布局图 |
| 6. | Flow measurement ; differential pressure devices with corner taps ; length of pressure taps stud and installation dimensions for determination of space required 流量测量.带弯测压接嘴的压差装置.测压接嘴螺柱的长 |