What is the diameter of the sewer pipe in the bathroom?

Generally, the sizes of sewer pipes for indoor decoration are different. For example, the drainage branch pipes connected with washbasins, washbasins, tubs and sanitary basins are all dn32 in diameter, and the larger ones are dn40. The diameter of the drainage branch pipe connected with the urinal or urinal is dn50, while the diameter of the excrement and the connecting drainage pipe used at home is dn 1 10.