The Outer Diameter Of The 25mm Water Pipe

The outer diameter of the 25mm steel pipe belongs to 6 branches, and its inner diameter is 19.05mm. 6-split pipe is also called DN20 pipe in life. DN20 refers to the nominal diameter of the water pipe, that is, the inner diameter, and its unit is mm. In places with a lot of water use, 6 pipes can be used, such as the main water pipe in the kitchen and toilet, and in other areas that do not require a lot of water, 4 pipes can be used.