The function of the water meter non-return valve​

Water is indispensable in our daily life. Water meters are an indispensable metering tool for households and public institutions. Many people know that a check valve should be installed on the water meter, but the role of the check valve is not very clear, Tengyue metering is a professional water meter manufacturer, to provide you with professional services.

When the water used in the home is closed, it is affected by the change in water pressure, which will cause the backward flow phenomenon, resulting in the rotation of the water meter and the error in counting, which is not good for the user or the water company. The check valve is a kind of automatic opening and closing valve without manual or other actions, its role is to keep the water in the pipeline only flowing in one direction, not backflow, when the water backflow valve disc is closed, prevent backflow. Therefore, it is also called a check valve or reverse flow valve.

The installation of a check valve is beneficial for both the user and the utility water company, avoiding the problem of meter metering disputes.

According to the different structural forms, check valves can be divided into lifting, swing and butterfly.