safiamoiz
Mechanical
- Nov 14, 2009
- 25
We have a 4 NPS Sch 40 line run in our plant. At one point we need to change 3 feet length of this pipe with a new pipe. We have with us a pipe of 4 NPS Sch 80. Can we use Sch 80 pipe in a line of Sch 40. The material is same. Where i can find an article in ASME in this regard.