EngiRef / Pipe Schedule

NPS 1 Schedule 80

NPS 1 Schedule 80 (DN 25): 33.4 mm outside diameter, 4.55 mm wall. Inside diameter 24.3 mm, internal area 464 mm². Mass 3.24 kg per metre. ASME B36.10M pipe…

Specification

Nominal pipe size (NPS)
1
Nominal diameter (DN)
25
Schedule
80
Outside diameter (mm)
33.4
Wall thickness (mm)
4.55
Inside diameter (mm)
24.3
Mass per metre (kg/m)
3.24
Internal area (mm²)
464

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