What Is The Diameter Of The 40 And 50 Sewer Pipes

40, the nominal outer diameter is generally about 47mm, and the inner diameter is 40mm. The 50's downpipe has a diameter of 50mm. In addition, the 50% sewer pipe is generally used under the floor drain, which is a common indoor sewer pipe, but the actual size of the sewer pipe should be determined according to the environment of use, so as to ensure the later installation and normal use.