Flange – Weld Neck, ANSI Class 900, ASME B16.5, 1/4″ 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.
- Sizes 1/2″ through 2 1/2″ are identical to class 1500.
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 |
4 3/4 |
1 3/8 |
7/8 |
* |
0.840 |
1 1/2 |
2 3/8 |
4 |
7/8 |
3 1/4 |
7 |
3/4 |
5 1/8 |
1 11/16 |
1 |
* |
1.050 |
1 3/4 |
2 3/4 |
4 |
7/8 |
3 1/2 |
7 |
1 |
5 7/8 |
2 |
1 1/8 |
* |
1.315 |
2 1/16 |
2 7/8 |
4 |
1 |
4 |
9 |
1 1/4 |
6 1/4 |
2 1/2 |
1 1/8 |
* |
1.660 |
2 1/2 |
2 7/8 |
4 |
1 |
4 3/8 |
10 |
1 1/2 |
7 |
2 7/8 |
1 1/4 |
* |
1.900 |
2 3/4 |
3 1/4 |
4 |
1 1/8 |
4 7/8 |
14 |
2 |
8 1/2 |
3 5/8 |
1 1/2 |
* |
2.375 |
4 1/8 |
4 |
8 |
1 |
6 1/2 |
25 |
2 1/2 |
9 5/8 |
4 1/8 |
1 5/8 |
* |
2.875 |
4 7/8 |
4 1/8 |
8 |
1 1/8 |
7 1/2 |
36 |
3 |
9 1/2 |
5 |
1 1/2 |
* |
3.500 |
5 |
4 |
8 |
1 |
7 1/2 |
32 |
3 1/2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
4 |
11 1/2 |
6 3/16 |
1 3/4 |
* |
4.500 |
6 1/4 |
4 1/2 |
8 |
1 1/4 |
9 1/4 |
51 |
5 |
13 3/4 |
7 5/16 |
2 |
* |
5.563 |
7 1/2 |
5 |
8 |
1 3/8 |
11 |
86 |
6 |
15 |
8 1/2 |
2 3/16 |
* |
6.625 |
9 1/4 |
5 1/2 |
12 |
1 1/4 |
12 1/2 |
110 |
8 |
18 1/2 |
10 5/8 |
2 1/2 |
* |
8.625 |
11 3/4 |
6 3/8 |
12 |
1 1/2 |
15 1/2 |
187 |
10 |
21 1/2 |
12 3/4 |
2 3/4 |
* |
10.750 |
14 1/2 |
7 1/4 |
16 |
1 1/2 |
18 1/2 |
268 |
12 |
24 |
15 |
3 1/8 |
* |
12.750 |
16 1/2 |
7 7/8 |
20 |
1 1/2 |
21 |
372 |
14 |
25 1/4 |
16 1/4 |
3 3/8 |
* |
14.00 |
17 3/4 |
8 3/8 |
20 |
1 5/8 |
22 |
562 |
16 |
27 3/4 |
18 1/2 |
3 1/2 |
* |
16.00 |
20 |
8 1/2 |
20 |
1 3/4 |
24 1/4 |
685 |
18 |
31 |
21 |
4 |
* |
18.00 |
22 1/4 |
9 |
20 |
2 |
27 |
924 |
20 |
33 3/4 |
23 |
4 1/4 |
* |
20.00 |
24 1/2 |
9 3/4 |
20 |
2 1/8 |
29 1/2 |
1164 |
22 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
24 |
41 |
27 1/4 |
5 1/2 |
* |
24.00 |
29 1/2 |
11 1/2 |
20 |
2 5/8 |
35 1/2 |
2107 |
- * To be specified by purchaser.