Question

Water meter size in 150 mm (nb) = how many liters per unit

Answer 1

NB (nominal bore) is also frequently used interchangeably with NPS. OD is the outside diameter of the pipe and is fixed for a given size. ... For NPS 14 and larger, the NPS is equal to the outside diameter (OD) in inches. For a given NPS, the OD stays constant and the wall thickness increases with larger SCH

Answer 2

This is the answer to ur question

Hope it will help you

Please mark me as brainliest