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What are the reasons for errors in the use of imported orifice plate flow meters?
Published Time:
2020-04-26 23:04
Source:
Import orifice flow meters are devices that can measure the flow rate of liquids, gases, and steam. They are now widely used in the fields of power, metallurgy, chemical industry, petroleum, and water supply. When using import orifice flow meters, sometimes there will be errors. So what are the reasons for the errors in the use of import orifice flow meters? Today, eletta will give you a detailed introduction.
1. Upstream and downstream surfaces are installed in reverse. When installing the import orifice flow meter, if the upstream and downstream surfaces of the orifice plate are installed in reverse, the direction of the orifice plate will be inconsistent with the direction of the airflow, resulting in measurement errors. This is mainly caused by worker carelessness.
2. Non-standard straight pipe sections before and after. If the straight pipe sections before and after the import orifice flow meter do not meet the requirements, many problems will occur, such as bifurcation, turning, and merging, which will cause the airflow to change from stable to disturbed, resulting in measurement errors. The role of the straight pipe sections before and after the import orifice flow meter is to ensure that the fluid in the pipe remains stable.
3. Incorrect orifice plate installation. If the orifice plates of different import orifice flow meters are installed incorrectly, the import orifice flow meter and its own orifice plate coefficient will be inconsistent, which will also cause measurement errors.
4. The pipe and orifice of the orifice plate are not concentric. When assembling the import orifice flow meter, if the worker is not responsible, the orifice of the orifice plate and the pipe will not be concentric, which will also cause errors in the measurement. Therefore, it must be avoided.
When using import orifice flow meters, various reasons may cause measurement errors. At this time, we need to determine the cause. After finding the reason, the problem can be solved more easily. In addition, friends who need import orifice flow meters can consult the website staff.
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