EngiRef / Pipe Schedule

NPS 4 Schedule 80

NPS 4 Schedule 80 (DN 100): 114.3 mm outside diameter, 8.56 mm wall. Inside diameter 97.18 mm, internal area 7417 mm². Mass 22.32 kg per metre.

Specification

Nominal pipe size (NPS)
4
Nominal diameter (DN)
100
Schedule
80
Outside diameter (mm)
114.3
Wall thickness (mm)
8.56
Inside diameter (mm)
97.18
Mass per metre (kg/m)
22.32
Internal area (mm²)
7417

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