Welding Neck Flange Bores - Steel, Sizes 1/2"-42", Pn4-pn16 Pressure Rating, Machined Finish , Designed For High-pressure Piping Systems

Nom.
pipe
Size

Outside
Diam

Light
Wall
6

Sched.
20

Sched.
30

Std.
Wall

Sched.
40

Sched.
60

Extra
Strong

Sched.
80

Sched.
100

Sched.
120

Sched.
140

Sched.
160

Double
Extra
Strong

1/2
3/4
1

0.840
1.050
1.315

.674
.884
1.097

0.622
0.824
1.049

0.622
0.824
1.049

0.546
0.742
0.957

0.546
0.742
0.957

0.464
0.612
0.815

0.252
0.434
0.599

1-1/4
1-1/2
2

1.660
1.900
2.375

1.442
1.682
2.157

1.380
1.610
2.067

1.380
1.610
2.067

1.278
1.500
1.939

1.278
1.500
1.939

1.160
1.338
1.687

0.896
1.100
1.503

2-1/2
3
3-1/2

2.875
3.500
4.000

2.635
3.260
3.760

2.469
3.068
3.548

2.469
3.068
3.548

2.323
2.900
3.364

2.323
2.900
3.364

2.125
2.624

1.771
2.300
2.728

4
5
6
8

4.500
5.563
6.625
8.625

4.260
5.295
6.357
8.329

8.125

8.071

4.026
5.047
6.065
7.981

4.026
5.047
6.065
7.981

7.813

3.826
4.813
5.761
7.625

3.826
4.813
5.761
7.625

7.437

3.624
4.563
5.501
7.187

7.001

3.438
4.313
5.187
6.813

3.152
4.063
4.897
6.875

10
12
14
16

10.750
12.750
14.000
16.000

10.420
12.390
13.500
15.500

10.250
12.250
13.376
15.376

10.136
12.090
13.250
15.250

10.020
12.000
13.250
15.250

10.020
11.938
13.124
15.000

9.750
11.626
12.812
14.688

9.750
11.750
13.000
15.000

9.562
11.374
12.500
14.312

9.312
11.062
12.124
13.938

0.062
10.750
11.814
13.564

8.750
10.500
11.500
13.124

8.500
10.500
11.500
13.124

8.750
10.750

18
20
24

18.000
20.000
24.000

17.500
19.500
23.500

17.376
19.250
23.250

17.124
19.000
22.876

17.250
19.250
23.250

16.876
18.812
22.624

16.500
18.376
22.062

17.000
19.000
23.000

16.124
17.938
21.562

15.688
17.438
20.938

15.250
17.000
20.376

14.876
16.500
19.876

14.438
16.062
19.312

30
36
42

30.000
36.000
42.000

29.376
35.376
.

29.000
35.000

28.750
34.750

29.250
35.250
41.250

34.500

29.000
35.000
41.000