EngiRef / Pipe Schedule
NPS 1 Schedule 160
NPS 1 Schedule 160 (DN 25): 33.4 mm outside diameter, 6.35 mm wall. Inside diameter 20.7 mm, internal area 337 mm². Mass 4.24 kg per metre.
Specification
- Nominal pipe size (NPS)
- 1
- Nominal diameter (DN)
- 25
- Schedule
- 160
- Outside diameter (mm)
- 33.4
- Wall thickness (mm)
- 6.35
- Inside diameter (mm)
- 20.7
- Mass per metre (kg/m)
- 4.24
- Internal area (mm²)
- 337
Outside diameters follow ASME B36.10M; inside diameter is OD − 2 × wall thickness.