Comparison Table of Nominal Diameter (DN) And Pipe Size

Comparison Table of Nominal Diameter (DN) And Pipe Size

Summary

Comparison Table of Engineering Pipeline Diameter,now i will show you.

Comparison Table of Nominal Diameter (DN) And Pipe Size

Comparison Table of Nominal Diameter (DN) And Pipe Size

DN refers to the nominal diameter of the pipeline, in millimeters
2 cents = DN8
1’
DN25
1.2’
DN32
1.5’
DN40
2’
DN50
2.5’
DN65
3’
DN80
4’
DN100
5’
DN125
6’
DN150
8’
DN200
10’
DN250
12’
DN300
Generally speaking, the diameter of pipes can be divided into outer diameter, inner diameter, and nominal diameter.

Comparison of nominal diameter and outer diameter of commonly used pipelines

Pipeline nominal diameter
Outer diameter of pipe φ（mm）
DN 15
φ18
DN 20
φ25
DN 25
φ32
DN 32
φ38
DN 40
φ45
DN 50
φ57
DN 65
φ76
DN 80
φ89
DN 100
φ108
DN 125
φ133
DN 150
φ159
DN 200
φ219
DN 250
φ273
DN 300
φ325
DN 350
φ377
DN 400
φ426
DN 450
φ480
DN 500
φ530
DN 600
φ630
DN 700
φ720
DN 800
φ820
DN 900
φ920
DN 1000
φ1020
DN 1200
φ1220
DN 1400
φ1420
The nominal diameter, also known as the mean outer diameter. Refers to the standardized diameter, expressed in DN, in millimeters. For example, the nominal diameter of a container with an inner diameter of 1200mm is marked as DN1200.