Flange – Lap Joint, ANSI Class 150, 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 |
3 1/2 |
7/16 |
0.90 |
1 3/16 |
5/8 |
1/8 |
4 |
5/8 |
2 3/8 |
2 |
3/4 |
3 7/8 |
1/2 |
1.11 |
1 1/2 |
5/8 |
1/8 |
4 |
5/8 |
2 3/4 |
2 |
1 |
4 1/4 |
9/16 |
1.38 |
1 15/16 |
11/16 |
1/8 |
4 |
5/8 |
3 1/8 |
2 |
1 1/4 |
4 5/8 |
5/8 |
1.72 |
2 5/16 |
13/16 |
3/16 |
4 |
5/8 |
3 1/2 |
3 |
1 1/2 |
5 |
11/16 |
1.97 |
2 9/16 |
7/8 |
1/4 |
4 |
5/8 |
3 7/8 |
3 |
2 |
6 |
3/4 |
2.46 |
3 1/16 |
1 |
5/16 |
4 |
3/4 |
4 3/4 |
5 |
2 1/2 |
7 |
7/8 |
2.97 |
3 9/16 |
1 1/8 |
5/16 |
4 |
3/4 |
5 1/2 |
7 |
3 |
7 1/2 |
15/16 |
3.60 |
4 1/4 |
1 3/16 |
3/8 |
4 |
3/4 |
6 |
8 |
3 1/2 |
8 1/2 |
15/16 |
4.10 |
4 13/16 |
1 1/4 |
3/8 |
8 |
3/4 |
7 |
11 |
4 |
9 |
15/16 |
4.60 |
5 5/16 |
1 5/16 |
7/16 |
8 |
3/4 |
7 1/2 |
13 |
5 |
10 |
15/16 |
5.69 |
6 7/16 |
1 7/16 |
7/16 |
8 |
7/8 |
8 1/2 |
15 |
6 |
11 |
1 |
6.75 |
7 9/16 |
1 9/16 |
1/2 |
8 |
7/8 |
9 1/2 |
19 |
8 |
13 1/2 |
1 1/8 |
8.75 |
9 11/16 |
1 3/4 |
1/2 |
8 |
7/8 |
11 3/4 |
30 |
10 |
16 |
1 3/16 |
10.92 |
12 |
1 15/16 |
1/2 |
12 |
1 |
14 1/4 |
43 |
12 |
19 |
1 1/4 |
12.92 |
14 3/8 |
2 3/16 |
1/2 |
12 |
1 |
17 |
64 |
14 |
21 |
1 3/8 |
14.18 |
15 3/4 |
3 1/8 |
1/2 |
12 |
1 1/8 |
18 3/4 |
99 |
16 |
23 1/2 |
1 7/16 |
16.19 |
18 |
3 7/16 |
1/2 |
16 |
1 1/8 |
21 1/4 |
128 |
18 |
25 |
1 9/16 |
18.20 |
19 7/8 |
3 13/16 |
1/2 |
16 |
1 1/4 |
22 3/4 |
146 |
20 |
27 1/2 |
1 11/16 |
20.25 |
22 |
4 1/16 |
1/2 |
20 |
1 1/4 |
25 |
185 |
22 |
29 1/2 |
1 13/16 |
22.25 |
24 |
4 1/4 |
1/2 |
20 |
1 3/8 |
27 1/4 |
245 |
24 |
32 |
1 7/8 |
24.25 |
26 1/8 |
4 3/8 |
1/2 |
20 |
1 3/8 |
29 1/2 |
260 |