
A Complete Guide to Pipe Sizes and Pipe Schedule – Free Pocket …
Nominal pipe size (NPS) is the nuer that defines the size of the pipe. For example, when you say 6” pipe, the 6” is the nominal size of that pipe. However, for the pipe sizes, NPS 14 and above Outside Diameter is the same as NPS. To understand this concept, you have to learn the way pipes are manufactured. Manufacturing of NPS ⅛ (DN 6