How to solve the problem of remote smart water meter rotation?
Far EasTone smart water meter rotation means that after the water meter is installed, the water meter rotates slightly or rotates back and forth when no one is using water and no water leaks. We call this phenomenon "water meter rotation".
What are the reasons for the rotation of the Far EasTone smart water meter?
The rotation of the Far Easian smart water meter is caused by many factors. From the analysis of the characteristics of the water supply network and the characteristics of the water meter itself, there are mainly the following reasons:
1. Many collective users have increasingly prominent contradictions in water use, and they all require the transformation of one meter for each household. Due to the improvement of the current water meter manufacturing process, the initial flow rate has increased, and the sensitivity has also increased, so the problem of water meter rotation has surfaced.
2. Water hammer. When there is a sudden power failure or the valve is closed too quickly, due to the inertia of the pressure water flow, a shock wave of the water flow is generated, just like a hammer, so it is called a water hammer. The force generated by the back and forth shock waves of the water flow, sometimes so great, can damage valves and pumps.
3. Pressure fluctuations. At present, the mechanical water meter we use relies on the kinetic energy generated by the flow of water in it to drive the impeller to run, so as to achieve the purpose of measuring water. When no water is used, there is a certain amount of fixed high-pressure water in the pipes connected at both ends of the water meter. When the pressure of the main network increases or decreases, the volume of tap water in the pipe behind the meter will decrease or increase correspondingly, resulting in forward or reverse rotation. It can be proved by experiments that when there is no air in the pipeline, the amount of water produced is very small, about 0.5-2m3/month. Normally, this amount of water is not noticed by the user.
How to solve the rotation problem of the Far EasTone smart water meter?
Since the rotation of the remote smart water meter is caused by pressure fluctuations and water compression, you can consider installing a check valve, which can prevent the water from flowing backwards. In this way, when the pressure drops, the check valve is automatically closed, and the water meter will not rotate. When the pressure rises again, as long as the pressure is not higher than the pressure in the check valve, the water meter will not turn again. However, due to the high frequency of domestic water use by residents and the increase in pipeline pressure fluctuations, the check valve is required to have high sensitivity and high quality requirements.