Water meter specification division
According to the old standard, it can be divided into A-level meter, B-level meter, C-level meter, and D-level meter.
The measurement level reflects the working flow range of the water meter, especially the measurement performance under small flow. According to the order from low to high, it is generally divided into A-level meters, B-level meters, C-level meters, and D-level meters.
After the release of the new version of the standard, the classification method of the measurement grade has become quite complicated, which is mainly determined according to various parameters such as flow value and range ratio. Simply put, the larger the range, the higher the measurement level.
According to the nominal diameter: it is divided into large-caliber water meters, large-caliber water meters, small-caliber water meters, and brass small-caliber ultrasonic water meters.
According to the nominal diameter, it is usually divided into small-caliber water meters and large-caliber water meters.
Water meters with a nominal diameter of 50mm and below are usually called small-caliber water meters, and water meters with a nominal diameter of 50mm or more are called large-caliber water meters. These two types of water meters are sometimes called civil water meters and industrial water meters. At the same time, this division method can also be distinguished from the connection form of the water meter. Water meters with a nominal diameter of 50mm and below are connected by thread, and water meters with a nominal diameter of 50mm and above are used with flanges. connect. But some special types of water meters also have 40mm flange connection.
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