The installation position of the water meter check valve needs to be determined according to the specific water environment and requirements. The water meter check valve has multiple functions in the water supply system, including preventing backflow of water flow, ensuring the accuracy of water meter measurement, protecting the safety of the public water supply system, and facilitating inspection and maintenance. In most cases, installing behind the water meter is a common choice. However, no matter how the installation location is chosen, it is necessary to ensure that the check valve can work properly and play its due role.

Water meter check valve, also known as check valve or one-way check valve, is an automatic valve installed near the water meter to prevent water flow from reversing. The water meter check valve can ensure that water in the pipeline can only flow in one direction, effectively preventing the backflow of water flow. By preventing backflow of water flow, the water meter check valve can reduce the self rotation phenomenon caused by the reverse flow of water flow, thereby ensuring the accuracy of water meter measurement. Preventing backflow of water flow can also prevent damage to pipeline equipment caused by reverse impact of water flow, extending the service life of the equipment.