Flange – Weld Neck, ANSI Class 300, ASME B16.5, 1/16″ Raised 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.
Pipe Size(NPS) |
OutsideDiameter
of
Flange
A |
Diameterof
Raised
Face
B |
Thicknessof
Flange
C |
Diameterof
Bore
D |
Diameterof Hub
at Weld
H |
Diameterof Hub
at Base
J |
Lengthof Hub
K |
Numberof
Bolt
Holes |
Diameterof
Bolt
Holes |
BoltCircle
Diameter
P |
Approx.Weight
(lb) |
1/2 |
3 3/4 |
1 3/8 |
9/16 |
0.622 |
0.840 |
1 1/2 |
2 1/16 |
4 |
5/8 |
2 5/8 |
2 |
3/4 |
4 5/8 |
1 11/16 |
5/8 |
0.824 |
1.050 |
1 7/8 |
2 1/4 |
4 |
3/4 |
3 1/4 |
3 |
1 |
4 7/8 |
2 |
11/16 |
1.049 |
1.315 |
2 1/8 |
2 7/16 |
4 |
3/4 |
3 1/2 |
4 |
1 1/4 |
5 1/4 |
2 1/2 |
3/4 |
1.380 |
1.660 |
2 1/2 |
2 9/16 |
4 |
3/4 |
3 7/8 |
6 |
1 1/2 |
6 1/8 |
2 7/8 |
13/16 |
1.610 |
1.900 |
2 3/4 |
2 11/16 |
4 |
7/8 |
4 1/2 |
8 |
2 |
6 1/2 |
3 5/8 |
7/8 |
2.067 |
2.375 |
3 5/16 |
2 3/4 |
8 |
3/4 |
5 |
9 |
2 1/2 |
7 1/2 |
4 1/8 |
1 |
2.469 |
2.875 |
3 15/16 |
3 |
8 |
7/8 |
5 7/8 |
12 |
3 |
8 1/4 |
5 |
1 1/8 |
3.068 |
3.500 |
4 5/8 |
3 1/8 |
8 |
7/8 |
6 5/8 |
15 |
3 1/2 |
9 |
5 1/2 |
1 3/16 |
3.548 |
4.00 |
5 1/4 |
3 3/16 |
8 |
7/8 |
7 1/4 |
18 |
4 |
10 |
6 3/16 |
1 1/4 |
4.026 |
4.500 |
5 3/4 |
3 3/8 |
8 |
7/8 |
7 7/8 |
25 |
5 |
11 |
7 5/16 |
1 3/8 |
5.047 |
5.563 |
7 |
3 7/8 |
8 |
7/8 |
9 1/4 |
32 |
6 |
12 1/2 |
8 1/2 |
1 7/16 |
6.065 |
6.625 |
8 1/8 |
3 7/8 |
12 |
7/8 |
10 5/8 |
42 |
8 |
15 |
10 5/8 |
1 5/8 |
7.981 |
8.625 |
10 1/4 |
4 3/8 |
12 |
1 |
13 |
67 |
10 |
17 1/2 |
12 3/4 |
1 7/8 |
10.020 |
10.750 |
12 5/8 |
4 5/8 |
16 |
1 1/8 |
15 1/4 |
91 |
12 |
20 1/2 |
15 |
2 |
12.00 |
12.750 |
14 3/4 |
5 1/8 |
16 |
1 1/4 |
17 3/4 |
138 |
14 |
23 |
16 1/4 |
2 1/8 |
13.25 |
14.00 |
16 3/4 |
5 5/8 |
20 |
1 1/4 |
20 1/4 |
186 |
16 |
25 1/2 |
18 1/2 |
2 1/4 |
15.25 |
16.00 |
19 |
5 3/4 |
20 |
1 3/8 |
22 1/2 |
246 |
18 |
28 |
21 |
2 3/8 |
17.25 |
18.00 |
21 |
6 1/4 |
24 |
1 3/8 |
24 3/4 |
305 |
20 |
30 1/2 |
23 |
2 1/2 |
19.25 |
20.00 |
23 1/8 |
6 3/8 |
24 |
1 3/8 |
27 |
378 |
22 |
33 |
25 1/4 |
2 5/8 |
21.25 |
22.00 |
25 1/4 |
6 1/2 |
24 |
1 5/8 |
29 1/4 |
425 |
24 |
36 |
27 1/4 |
2 3/4 |
23.25 |
24.00 |
27 5/8 |
6 5/8 |
24 |
1 5/8 |
32 |
545 |