May 20, 2022
When the pipe diameter is less than 250, it is 1 ~ 1.2m/s, and when the pipe diameter is 250 ~ 1000, it is 1.2 ~ 1.6 m/s. Technically, the maximum speed of water flow should not exceed 2.5 ~ 3.0m/s, and the minimum speed should not be less than 0.6 m/s (to prevent deposition).
