What is Water Meter Diameter?

water meter diameter

Water meter diameter refers to the inner diameter of the connection between the water meter and the pipe, which is the diameter of the channel through which water flows into the water meter. The water meter diameter directly determines the applicable pipe diameter and the amount of flow it can measure. In household water meters, the diameter is usually related to the household water consumption and the size of the piping system.

The common diameters of household smart water meters mainly include the following:

DN15: Nominal diameter of 15 millimeters, suitable for 4-inch water pipes. This diameter water meter is smaller in size, easy to install, and suitable for households with low water consumption.

DN20: Nominal diameter of 20 millimeters, suitable for 6-inch water pipes. This is one of the most widely used diameters for household water meters, meeting the daily water needs of most families.

DN25: Nominal diameter of 25 millimeters, suitable for 1-inch water pipes. This diameter water meter is suitable for families with slightly higher water consumption or scenarios with higher water flow requirements.

The selection of a household smart water meter diameter should be determined based on the actual needs of the family and the pipe specifications. Common household smart water meter diameters include DN15, DN20, and DN25. Users can choose the appropriate water meter based on their household water consumption and pipe size. During installation and use, users should pay attention to the installation location, direction, and regular maintenance of the water meter to ensure accurate measurement and long-term stable operation.