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DN Diametre Nominal and NPS Nominal Pipe Size Table
Fluids Flow Design and Engineering
Metric Pipe Sizes Dn "Diametre Nominel" per ISO vs NPS "Nominal Pipe Size" Equivalent for DN 6 to DN 2200, NPS Schedule 5 to 30
Welded and Seamless PIpe
|
NPS |
DN |
OD |
Wall Thickness Inches |
|||||
|
Sch 5S |
Sch 5 |
Sch 10S |
Sch 10 |
Sch 20 |
Sch 30 |
|||
|
1/8” |
6 |
0.404 |
-- |
-- |
0.049 |
-- |
0.049 |
0.057 |
|
1/4” |
8 |
0.540 |
-- |
-- |
0.065 |
-- |
0.065 |
0.073 |
|
3/8” |
10 |
0.675 |
-- |
-- |
0.065 |
-- |
0.065 |
0.073 |
|
1/2” |
15 |
0.840 |
0.065 |
0.065 |
0.083 |
-- |
0.083 |
0.095 |
|
3/4” |
20 |
1.050 |
0.065 |
0.065 |
0.083 |
-- |
0.083 |
0.095 |
|
1” |
25 |
1.315 |
0.065 |
0.065 |
0.109 |
-- |
0.109 |
0.114 |
|
1-1/4” |
32 |
1.660 |
0.065 |
0.065 |
0.109 |
-- |
0.109 |
0.117 |
|
1-1/2” |
40 |
1.900 |
0.065 |
0.065 |
0.109 |
-- |
0.109 |
0.125 |
|
2” |
50 |
2.375 |
0.065 |
0.065 |
0.109 |
-- |
0.109 |
0.125 |
|
2-1/2” |
65 |
2.875 |
0.083 |
0.083 |
0.120 |
-- |
0.120 |
0.188 |
|
3” |
80 |
3.500 |
0.083 |
0.083 |
0.120 |
-- |
0.120 |
0.188 |
|
3-1/2” |
90 |
4.000 |
0.083 |
0.083 |
0.120 |
-- |
0.120 |
0.188 |
|
4” |
100 |
4.500 |
0.083 |
0.083 |
0.120 |
0.120 |
-- |
0.188 |
|
4-1/2” |
115 |
5.000 |
-- |
-- |
-- |
-- |
-- |
-- |
|
5” |
125 |
5.563 |
0.109 |
0.109 |
0.134 |
0.134 |
-- |
-- |
|
6” |
150 |
6.625 |
0.109 |
0.109 |
0.134 |
0.134 |
-- |
-- |
|
7” |
-- |
7.625 |
-- |
-- |
-- |
-- |
-- |
-- |
|
8” |
200 |
8.625 |
0.109 |
0.109 |
0.148 |
0.148 |
0.250 |
0.277 |
|
9” |
-- |
9.625 |
-- |
-- |
-- |
-- |
-- |
-- |
|
10” |
250 |
10.75 |
0.134 |
0.134 |
0.165 |
0.165 |
0.250 |
0.307 |
|
12” |
300 |
12.75 |
0.156 |
-- |
0.180 |
0.180 |
0.250 |
0.330 |
|
14” |
350 |
14.00 |
0.156 |
-- |
0.188 |
0.250 |
0.312 |
0.375 |
|
16” |
400 |
16.00 |
0.165 |
-- |
0.188 |
0.250 |
0.312 |
0.375 |
|
18” |
450 |
18.00 |
0.165 |
-- |
0.188 |
0.250 |
0.312 |
0.437 |
|
20” |
500 |
20.00 |
0.188 |
-- |
0.218 |
0.250 |
0.375 |
0.500 |
|
22” |
550 |
22.00 |
0.188 |
-- |
0.218 |
0.250 |
0.375 |
0.500 |
|
24” |
600 |
24.00 |
0.218 |
-- |
0.250 |
0.250 |
0.375 |
0.562 |
|
26” |
650 |
26.00 |
-- |
-- |
-- |
0.312 |
0.500 |
-- |
|
28” |
700 |
28.00 |
-- |
-- |
-- |
0.312 |
0.500 |
0.625 |
|
30” |
750 |
30.00 |
0.250 |
-- |
0.312 |
0.312 |
0.500 |
0.625 |
|
32” |
800 |
32.00 |
-- |
-- |
-- |
0.312 |
0.500 |
0.625 |
|
34” |
850 |
34.00 |
-- |
-- |
-- |
0.312 |
0.500 |
0.625 |
|
36” |
900 |
36.00 |
-- |
-- |
-- |
0.312 |
0.500 |
-- |
|
40” |
1000 |
40.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
42” |
1050 |
42.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
44” |
1100 |
44.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
46” |
1150 |
46.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
48” |
1200 |
48.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
52” |
1300 |
52.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
56” |
1400 |
56.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
60” |
1500 |
60.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
64” |
1600 |
64.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
68” |
1700 |
68.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
72” |
1800 |
72.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
76’ |
1900 |
76.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
80” |
2000 |
80.00 |
-- |
-- |
-- |
-- |
-- |
-- |
|
88” |
2200 |
88.00 |
-- |
-- |
-- |
-- |
-- |
-- |
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