Flange – Lap Joint, ANSI Class 900, ASME B16.5, Flat Face (in)
- Dimensions and tolerances in accordance with ANSI/ASME B16.5 for sizes 1/2″ to 24″.
- Carbon steel forgings in accordance with ASTM A105.
- Bolt circle diameters are 1/8 inch larger than bolt diameter.
- 1/4″ raised face is not included in dimension “C” and “M”.
Pipe Size(NPS) |
OutsideDiameter of
Flange
A |
Thicknessof
Flange
C |
DiameterOf
Bore
F |
Diameterof Hub
at Base
J |
Lengthof
Hub
M |
Radius
R |
Numberof
Bolt
Holes |
Diameterof
Bolt
Holes |
BoltCircle Diameter
P |
Approx.Weight |
1/2 |
4 3/4 |
7/8 |
0.90 |
1 1/2 |
1 1/4 |
1/8 |
4 |
7/8 |
3 1/4 |
9 |
3/4 |
5 1/8 |
1 |
1.11 |
1 3/4 |
1 3/8 |
1/8 |
4 |
7/8 |
3 1/2 |
9 |
1 |
5 7/8 |
1 1/8 |
1.38 |
2 1/16 |
1 5/8 |
1/8 |
4 |
1 |
4 |
9 |
1 1/4 |
6 1/4 |
1 1/8 |
1.72 |
2 1/2 |
1 5/8 |
3/16 |
4 |
1 |
4 3/8 |
10 |
1 1/2 |
7 |
1 1/4 |
1.97 |
2 3/4 |
1 3/4 |
1/4 |
4 |
1 1/8 |
4 7/8 |
14 |
2 |
8 1/2 |
1 1/2 |
2.46 |
4 1/8 |
2 1/4 |
5/16 |
8 |
1 |
6 1/2 |
25 |
2 1/2 |
9 5/8 |
1 5/8 |
2.97 |
4 7/8 |
2 1/2 |
5/16 |
8 |
1 1/8 |
7 1/2 |
35 |
3 |
9 1/2 |
1 1/2 |
3.60 |
5 |
2 1/8 |
3/8 |
8 |
1 |
7 1/2 |
30 |
3 1/2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
4 |
11 1/2 |
1 3/4 |
4.60 |
6 1/4 |
2 3/4 |
7/16 |
8 |
1 1/4 |
9 1/4 |
51 |
5 |
13 3/4 |
2 |
5.69 |
7 1/2 |
3 1/8 |
7/16 |
8 |
1 3/8 |
11 |
81 |
6 |
15 |
2 3/16 |
6.75 |
9 1/4 |
3 3/8 |
1/2 |
12 |
1 1/4 |
12 1/2 |
105 |
8 |
18 1/2 |
2 1/2 |
8.75 |
11 3/4 |
4 1/2 |
1/2 |
12 |
1 1/2 |
15 1/2 |
188 |
10 |
21 1/2 |
2 3/4 |
10.92 |
14 1/2 |
5 |
1/2 |
16 |
1 1/2 |
18 1/2 |
277 |
12 |
24 |
3 1/8 |
12.92 |
16 1/2 |
5 5/8 |
1/2 |
20 |
1 1/2 |
21 |
371 |
14 |
25 1/4 |
3 3/8 |
14.18 |
17 3/4 |
6 1/8 |
1/2 |
20 |
1 5/8 |
22 |
397 |
16 |
27 3/4 |
3 1/2 |
16.19 |
20 |
6 1/2 |
1/2 |
20 |
1 3/4 |
24 1/4 |
488 |
18 |
31 |
4 |
18.20 |
22 1/4 |
7 1/2 |
1/2 |
20 |
2 |
27 |
670 |
20 |
33 3/4 |
4 1/4 |
20.25 |
24 1/2 |
8 1/4 |
1/2 |
20 |
2 1/8 |
29 1/2 |
868 |
22 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
24 |
41 |
5 1/2 |
24.25 |
29 1/2 |
10 1/2 |
1/2 |
20 |
2 5/8 |
35 1/2 |
1659 |