Pipe sizes (NPS and DN)

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NPS, DN or outside diameter

NPS 2: one size.

NPS 2

DN 50

Outside diameter: 2.375inExact: every digit of the value is shown.
Outside diameter in Outside diameter unit: 60.325mmExact: every digit of the value is shown.

Nominal pipe size, DN and outside diameter in inches and millimetres
DN	OD (in)	OD (mm)
6	0.405	10.287
8	0.54	13.716
10	0.675	17.145
15	0.84	21.336
20	1.05	26.67
25	1.315	33.401
32	1.66	42.164
40	1.9	48.26
50	2.375	60.325
65	2.875	73.025
80	3.5	88.9
90	4	101.6
100	4.5	114.3
125	5.563	141.3002
150	6.625	168.275
200	8.625	219.075
250	10.75	273.05
300	12.75	323.85
350	14	355.6
400	16	406.4
450	18	457.2
500	20	508
550	22	558.8
600	24	609.6
650	26	660.4
700	28	711.2
750	30	762
800	32	812.8
850	34	863.6
900	36	914.4
950	38	965.2
1000	40	1,016
1050	42	1,066.8
1100	44	1,117.6
1150	46	1,168.4
1200	48	1,219.2
1300	52	1,320.8
1400	56	1,422.4
1500	60	1,524
1600	64	1,625.6
1700	68	1,727.2
1800	72	1,828.8
1900	76	1,930.4
2000	80	2,032

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NPS, DN or outside diameter

NPS 2: one size.

NPS 2

DN 50

Outside diameter: 2.375inExact: every digit of the value is shown.
Outside diameter in Outside diameter unit: 60.325mmExact: every digit of the value is shown.

Nominal pipe size, DN and outside diameter in inches and millimetres
DN	OD (in)	OD (mm)
6	0.405	10.287
8	0.54	13.716
10	0.675	17.145
15	0.84	21.336
20	1.05	26.67
25	1.315	33.401
32	1.66	42.164
40	1.9	48.26
50	2.375	60.325
65	2.875	73.025
80	3.5	88.9
90	4	101.6
100	4.5	114.3
125	5.563	141.3002
150	6.625	168.275
200	8.625	219.075
250	10.75	273.05
300	12.75	323.85
350	14	355.6
400	16	406.4
450	18	457.2
500	20	508
550	22	558.8
600	24	609.6
650	26	660.4
700	28	711.2
750	30	762
800	32	812.8
850	34	863.6
900	36	914.4
950	38	965.2
1000	40	1,016
1050	42	1,066.8
1100	44	1,117.6
1150	46	1,168.4
1200	48	1,219.2
1300	52	1,320.8
1400	56	1,422.4
1500	60	1,524
1600	64	1,625.6
1700	68	1,727.2
1800	72	1,828.8
1900	76	1,930.4
2000	80	2,032