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| CLASS 900 FLANGES |
| ANSI B16.5 FORGED
FLANGES
Unit: Inch
|
| Normal Pipe Size |
Outside
diam. |
O.D.of Raised Face |
Diam. of Hub at Base |
Thickness |
BORE |
LENGTH THRU HUB |
Diam. of Hub at bevel |
Fillet
Radius of Lap Joint |
Thread length |
| Welding Neck |
Slip-on |
Lap Joint |
Counter Bore Min.Thread Min. |
Welding Neck |
Slip-on Threaded |
Lap Joint |
| D |
G |
X |
t |
B1 |
B2 |
B3 |
B |
T1 |
T2 |
T3 |
A |
R |
Q |
| 1/2
3/4
1 |
4.75
5.12
5.88 |
1.38
1.69
2.00 |
1.50
1.75
2.06 |
0.88
1.00
1.12
|
|
0.88
1.09
1.36
|
0.90
1.11
1.38
|
0.93
1.14
1.41
|
2.38
2.75
2.88
|
1.25
1.38
1.62
|
1.25
1.38
1.62
|
0.84
1.05
1.32
|
0.12
0.12
0.12
|
0.88
1.00
1.12
|
| 1-1/4
1-1/2
2 |
6.25
7.00
8.50 |
2.50
2.88
3.62 |
2.50
2.75
4.12
|
1.12
1.25
1.50
|
|
1.70
1.95
2.44
|
1.72
1.97
2.46
|
1.75
1.99
2.50
|
2.88
3.25
4.00
|
1.62
1.75
2.25
|
1.62
1.75
2.25
|
1.66
1.90
2.38
|
0.19
0.25
0.31
|
1.19
1.25
1.50
|
| 2-1/2
3
4 |
9.62
9.50
11.50 |
4.12
5.00
6.19
|
4.88
5.00
6.25
|
1.62
1.50
1.75
|
|
2.94
3.57
4.57
|
2.97
3.60
4.60
|
3.00
3.63
4.63
|
4.12
4.00
4.50
|
2.50
2.12
2.75
|
2.50
2.12
2.75
|
2.88
3.50
4.50
|
0.31
0.38
0.44
|
1.88
1.62
1.88
|
| 5
6
8 |
13.75
15.00
18.50 |
7.31
8.50
10.62
|
7.50
9.25
11.75
|
2.00
2.19
2.50
|
|
5.66
6.72
8.72
|
5.69
6.75
8.75
|
5.69
6.75
8.75
|
5.00
5.50
6.38
|
3.12
3.38
4.00
|
3.12
3.38
4.50
|
5.56
6.63
8.63
|
0.44
0.50
0.50
|
2.12
2.25
2.50
|
| 10
12
14 |
21.50
24.00
25.25 |
12.75
15.00
16.25
|
14.50
16.50
17.75
|
2.75
3.12
3.38
|
|
10.88
12.88
14.14
|
10.92
12.92
14.18
|
10.88
12.94
14.19
|
7.25
7.88
8.38
|
4.25
4.62
5.12
|
5.00
5.62
6.12
|
10.75
12.75
14.00
|
0.50
0.50
0.50
|
2.81
3.00
3.25
|
| 16
18
20 |
27.75
31.00
33.75 |
18.50
21.00
23.00
|
20.00
22.25
24.50
|
3.50
4.00
4.25
|
|
16.16
18.18
20.20
|
16.16
18.18
20.20
|
16.19
18.19
20.19
|
8.50
9.00
9.75
|
5.25
6.00
6.25
|
6.50
7.50
8.25
|
16.00
18.00
20.00
|
0.50
0.50
0.50
|
3.38
3.50
3.62
|
| 24
|
41.00
|
27.25
|
29.50
|
5.50
|
|
24.25
|
24.25
|
24.19
|
11.50
|
8.00
|
10.50
|
24.00
|
0.50
|
4.00
|
|