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Nps nominal 配管 sizes

Reference data と engineering information about nps nominal 配管 sizes for fluid mechanics applications.

npsnominalpipesizes

Overview

Nominal Pipe Size (NPS) is the North American standard for pipe sizing. The nominal size does not match the actual outside diameter for sizes above 12 inches.

Data Table

16
Standard ANSI/ASME B36.10 pipe dimensions
NPS(in)
Outside Diameter(mm)
ID (Sch 40)(mm)
ID (Sch 80)(mm)
1/810.36.85.5
1/413.79.27.7
3/817.112.510.7
1/221.315.813.8
3/426.720.918.5
133.426.624.3
1-1/442.235.132.5
1-1/248.340.938.1
260.352.549.3
2-1/27362.759
388.977.973.7
4114.3102.397.2
6168.3154.1146.4
8219.1202.7193.7
10273.1254.5244.5
12323.9303.2292.1

出典: engineeringtoolbox.com

Notes

  • Values are at standard conditions unless otherwise noted
  • Always verify values for critical applications

References