EngiRef / Pipe Schedule

NPS 1-1/2 Schedule 40

NPS 1-1/2 Schedule 40 (DN 40): 48.3 mm outside diameter, 3.68 mm wall. Inside diameter 40.94 mm, internal area 1316 mm². Mass 4.05 kg per metre.

Specification

Nominal pipe size (NPS)
1-1/2
Nominal diameter (DN)
40
Schedule
40
Outside diameter (mm)
48.3
Wall thickness (mm)
3.68
Inside diameter (mm)
40.94
Mass per metre (kg/m)
4.05
Internal area (mm²)
1316

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