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What should I pay attention to when installing the water meter?

Views: 4     Author: Site Editor     Publish Time: 2019-11-22      Origin: Site

In the previous article, we mainly introduced the measurement of water meters. This time we talk about the installation of the water meter. Because the installation of the water meter is directly related to the meter reading work and maintenance of the water meter in the future.


1.The newly installed water meter meets the requirements of the straight pipe section (10D in front of the table, 5D in the back of the table, and D is the nominal diameter of the water meter). It is really impossible to meet the requirements of the straight pipe section before and after the water meter. Install a rectifier in front of the meter to modify the old water meter.


2. According to the regulations, the water meter should be installed horizontally. However, in the actual online water meter, there are many horizontal and vertical tilting of the water meter.


Based on the error caused by the tilt of the DN15 rotor-type water meter. The small flow lateral tilt of 90 degrees can reach 6 times of the normal error, and the longitudinal tilt error can reach 10 times. At high flow rates, the vertical and horizontal tilts of 90 degrees can be up to 1 times the error. Whether it is a small flow or a large flow is a negative error, that is, the slower and slower.


Therefore, when installing a water meter or daily water meter replacement and maintenance, you must pay attention to the water meter and maintain the level. In particular, the flange-mounted water meter cannot be used because the eye distance does not match or the pipe size is incorrect. Because the flange connections are large-diameter, high-flow water meters, the losses due to errors are greater. For some sporadic rural users, consider using a vertical water meter.


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