self-closing faucet

The self-closing faucet can automatically shut off the water flow after a preset time to achieve the purpose of saving water. In many public places, we can often see its application. Of course, many families also choose to install such self-closing faucets in order to save water resources and reduce water bills. Before buying, I think you need to figure out these few questions - how do they work; what are their benefits; how are they maintained? Hope this article helps you. How do they work? Stage 1: When the self-closing faucet is pressed, the lower lip seal empties the chamber below it, and at the same time, the closed O-ring loses its seal, allowing water to flow to the outlet. Stage 2: When the button is released, the return spring creates a negative pressure under the lower lip seal. The pressure imbalance between the two areas at the lower lip seal is balanced by the time delay hole and the spring. The channel gap between these two components creates a tiny water channel that fil