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What should be paid attention to when using the liquid turbine flowmeter?

What should be paid attention to when using the liquid turbine flowmeter?

  • July 21,2020.

Liquid turbine flowmeter is a kind of high-precision flowmeter. Besides being widely used in chemical industry, it can be used in daily life, such as electricity meter, water meter and gas meter, as long as liquid is generally involved.So in the actual use of the process to pay attention to what problems?

First of all, in installation, it should be noted that the non-uniform distribution of velocity of medium fluid and vortex flow are the main reasons affecting the measurement accuracy of turbine flowmeter. To reduce this non-uniform phenomenon, it is necessary to have a long enough straight pipe section in the front section of turbine flowmeter.It is generally required that more than 15D of straight pipe should be left on the turbine flowmeter to ensure the measurement accuracy. If the installation site cannot meet the above requirements, a pipe speed rectifier can be installed on the straight pipe section.

Secondly, in terms of maintenance, most of the faults of liquid turbine flowmeter are turbine bearing wear and impeller being stuck. Such faults can be solved only by changing the bearings or cleaning the debris on the impeller.

However, it should be noted that since the turbine flowmeter is a precise instrument, changing bearings or cleaning debris may cause changes in the instrument coefficient. Therefore, in order to ensure the measurement accuracy, it is necessary to re-verify and change the instrument coefficient after changing a series of accessories.

The liquid turbine flowmeter can be installed horizontally, tilting or vertically, but the flow characteristic curve varies with different installation methods.But if you want to obtain high precision measurement, you must use horizontal installation.

Above is the problem that needs attention from installation and maintenance respect respectively, if appear in actual use process the problem that solves hard, still need to consult manufacturer personage to undertake solving.

Related products: Electromagnetic flow meter, Ultrasonic flow meter


NONCON liquid turbine flow meter

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