En 12449 Copper Tubes Dimensions

Reference data and engineering information about en 12449 copper tubes dimensions for piping systems applications.

12449coppertubesdimensions

Overview

Engineering reference data for En 12449 Copper Tubes Dimensions in piping systems.

$A_1 v_1 = A_2 v_2$

Mass conservation in pipe flow.

$\Delta P = f \frac{L}{D} \frac{\rho v^2}{2}$

Darcy-Weisbach equation.

$A = \frac{\pi D^2}{4}$

Cross-sectional area of a pipe.

The following table lists the dimensional requirements for seamless, round copper tubes for general purposes according to EN 12449.

11 rows

Copper tube dimensions according to EN 12449. Tolerances are shown as ± values.
Nominal Size (DN)	External Diameter(mm)	External Diameter(inch)	Diameter Tolerance(mm)	Minimum Wall Thickness(mm)	Wall Thickness Tolerance(mm)
10	12	3/8	0.08	1	0.13
15	15		0.08	1	0.13
15	18	1/2	0.08	1	0.13
20	22	3/4	0.12	1	0.13
25	28	1	0.12	1.5	0.13
32	35	1 1/4	0.15	1.5	0.13
40	42	1 1/2	0.15	1.5	0.13
50	54	2	0.2	2	0.13
65	76.1	2 1/2	0.2	2	0.13
80	88.9	3	0.2	2	0.13
100	108	4	0.5	2.5	0.13

Source: engineeringtoolbox.com