EngiRef / Pipe Schedule
NPS 3/4 Schedule 80
NPS 3/4 Schedule 80 (DN 20): 26.7 mm outside diameter, 3.91 mm wall. Inside diameter 18.88 mm, internal area 280 mm². Mass 2.2 kg per metre.
Specification
- Nominal pipe size (NPS)
- 3/4
- Nominal diameter (DN)
- 20
- Schedule
- 80
- Outside diameter (mm)
- 26.7
- Wall thickness (mm)
- 3.91
- Inside diameter (mm)
- 18.88
- Mass per metre (kg/m)
- 2.2
- Internal area (mm²)
- 280
Outside diameters follow ASME B36.10M; inside diameter is OD − 2 × wall thickness.