EngiRef / Pipe Schedule

NPS 2-1/2 Schedule 80

NPS 2-1/2 Schedule 80 (DN 65): 73 mm outside diameter, 7.01 mm wall. Inside diameter 58.98 mm, internal area 2732 mm². Mass 11.41 kg per metre.

Specification

Nominal pipe size (NPS)
2-1/2
Nominal diameter (DN)
65
Schedule
80
Outside diameter (mm)
73
Wall thickness (mm)
7.01
Inside diameter (mm)
58.98
Mass per metre (kg/m)
11.41
Internal area (mm²)
2732

Outside diameters follow ASME B36.10M; inside diameter is OD − 2 × wall thickness.