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What are the key installation points for imported orifice flow meters?
Published Time:
2021-06-21 23:04
Source:
Many fields now require the use of professional flow meters, and imported orifice plate flow meters are guaranteed in both quality and performance. For flow meters, not only should the quality be selected, but also the installation should be taken seriously. If the key points are not understood during installation, it will also affect the user experience. Let's talk about this topic next.
First, when installing an imported orifice plate flow meter, start with the instructions for use and then check the specific accessories. Generally speaking, orifice plate flow meters are composed of the flange center, the orifice plate center, the pipe center, and the concentricity of the gasket, etc. The key point of installation here is that the concentricity must not exceed 0.002D/β. At the same time, consider the specific accessories according to the calibration method in the manual.
Second, when considering the installation of an imported orifice plate flow meter, the positive and negative pressure of the orifice plate cannot be ignored. Generally speaking, the installation of the upstream and downstream flanges should conform to the flow direction of the medium, and then ensure the position of the pressure tapping hole. In this aspect, the impact on the transmitter can be considered according to the different media, because the upstream and downstream pressure and media are different in different pipelines, so this aspect should be designed according to the specific situation.
Third, when installing an imported orifice plate flow meter, the throttling device is usually considered, and the end face of the weld should not be more than one degree from the axis of the pipe, and then the weld is processed after welding. If the weld is not smooth enough or there are obvious weld beads, it will affect the use. In addition, the installation location should be selected according to the instructions. In most cases, the imported orifice plate flow meter is installed in the straight pipe section upstream and downstream.
The above is how to install an imported orifice plate flow meter. After understanding these installation points, the construction can naturally ensure the smooth operation of the imported orifice plate flow meter. In addition, pay attention to the specific pipeline conditions, especially when choosing the installation location, consider that it will not affect the operation of other equipment.
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