EngiRef / Pipe Schedule

NPS 3 Schedule 40

NPS 3 Schedule 40 (DN 80): 88.9 mm outside diameter, 5.49 mm wall. Inside diameter 77.92 mm, internal area 4768 mm². Mass 11.29 kg per metre.

Specification

Nominal pipe size (NPS)
3
Nominal diameter (DN)
80
Schedule
40
Outside diameter (mm)
88.9
Wall thickness (mm)
5.49
Inside diameter (mm)
77.92
Mass per metre (kg/m)
11.29
Internal area (mm²)
4768

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