For domestic II-series pipes, isn’t the wall thickness indicated by sch?
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For domestic II-series pipes, the wall thickness isn’t indicated using sch; instead, the actual wall thickness in mm is stated directly. Right?
There’s no need to force a separation~~~ Using DN×Sch works just the same; it’s possible to replace DN with the diameter of the second series of pipes (Φ)
There’s no need to worry about this; SCH is suitable for both Series I and Series II of pipes. Many of my orders involve pipes that meet the Series II standards with SCH specifications. The important thing is to clearly specify whether it’s Series I or Series II in terms of DN, so as to avoid mismatches in pipe diameter during procurement and design, which could prevent the pipes from being used.
For Series II pipes, the wall thickness is directly indicated in mm; SCH is the designation used in American standards