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NOMINAL
SIZE |
COMMON DIMENSIONS |
OUTSIDE DIA.
O. |
THK.
C |
RAISED FACE DIA.
R |
FILLET RADIUS
r |
| Sizes 1/2" through 2 1/2" are identical with class 1500 |
| 3 |
9 1/2 |
1 1/2 |
5 |
3/8 |
| 4 |
11 1/2 |
1 3/4 |
6 3/16 |
7/16 |
| 5 |
13 3/4 |
2 |
7 5/16 |
7/16 |
| 6 |
15 |
2 3/16 |
8 1/2 |
1/2 |
| 8 |
18 1/2 |
2 1/2 |
10 5/8 |
1/2 |
| 10 |
21 1/2 |
2 3/4 |
12 3/4 |
1/2 |
| 12 |
24 |
3 1/8 |
15 |
1/2 |
| 14 |
25 1/4 |
3 3/8 |
16 1/4 |
1/2 |
| 16 |
27 3/4 |
3 1/2 |
18 1/2 |
1/2 |
| 18 |
31 |
4 |
21 |
1/2 |
| 20 |
33 3/4 |
4 1/4 |
23 |
1/2 |
| 24 |
41 |
5 1/2 |
27 1/4 |
1/2 |
NOMINAL
SIZE |
BORE |
Welding Neck
Socket
B1 |
Slip-on
B2 |
Lap
Joint
B3 |
| Sizes 1/2" through 2 1/2" are identical with class 1500 |
| 3 |
T O
B E
S P E C I F I E D
B Y
P U R C H A S E R |
3.57 |
3.60 |
| 4 |
4.57 |
4.60 |
| 5 |
5.66 |
5.69 |
| 6 |
6.72 |
6.75 |
| 8 |
8.72 |
8.75 |
| 10 |
10.88 |
10.92 |
| 12 |
12.88 |
12.92 |
| 14 |
14.14 |
14.18 |
| 16 |
16.16 |
16.19 |
| 18 |
18.18 |
18.20 |
| 20 |
20.20 |
20.25 |
| 24 |
24.25 |
24.25 |
NOMINAL
SIZE |
LENGTH THROUGH HUB |
Welding
Neck
Y1 |
Slip-on
Socket
Y2 |
Lap
Joint
Y3 |
| Sizes 1/2" through 2 1/2" are identical with class 1500 |
| 3 |
4 |
2 1/8 |
2 1/8 |
| 4 |
4 1/2 |
2 3/4 |
2 3/4 |
| 5 |
5 |
3 1/8 |
3 1/8 |
| 6 |
5 1/2 |
3 3/8 |
3 3/8 |
| 8 |
6 3/8 |
4 |
4 1/2 |
| 10 |
7 1/4 |
4 1/4 |
5 |
| 12 |
7 7/8 |
4 5/8 |
5 5/8 |
| 14 |
8 3/8 |
5 1/8 |
6 1/8 |
| 16 |
8 1/2 |
5 1/4 |
6 1/2 |
| 18 |
9 |
6 |
7 1/2 |
| 20 |
9 3/4 |
6 1/4 |
8 1/4 |
| 24 |
11 1/2 |
8 |
10 1/2 | Thickness and length through hub do not include 1/4¡± raised face.
FLANGES
CLASS 900, ASME B16.5
Nominal
Size |
Min. Thread
Length
T |
Dia. Hub at
Bevel
A |
Hub Dia.
X |
DRILLING |
| - |
Bolt
Circle |
Dia.
Holes |
N¡ã of
Holes |
| Sizes 1/2" through 2 1/2" are identical with class 1500 |
| 3 |
1.63 |
3.50 |
5 |
7 1/2 |
1 |
8 |
| 4 |
1.88 |
4.50 |
6 1/4 |
9 1/4 |
1 1/4 |
8 |
| 5 |
2.13 |
5.56 |
7 1/2 |
11 |
1 3/8 |
8 |
| 6 |
2.25 |
6.63 |
9 1/4 |
12 1/2 |
1 1/4 |
12 |
| 8 |
2.50 |
8.63 |
11 3/4 |
15 1/2 |
1 1/2 |
12 |
| 10 |
2.81 |
10.75 |
14 1/2 |
18 1/2 |
1 1/2 |
16 |
| 12 |
3.00 |
12.75 |
16 1/2 |
21 |
1 1/2 |
20 |
| 14 |
3.25 |
14.00 |
17 3/4 |
22 |
1 5/8 |
20 |
| 16 |
3.38 |
16.00 |
20 |
24 1/4 |
1 3/4 |
20 |
| 18 |
3.50 |
18.00 |
22 1/4 |
27 |
2 |
20 |
| 20 |
3.63 |
20.00 |
24 1/2 |
29 1/2 |
2 1/8 |
20 |
| 24 |
4.00 |
24.00 |
29 1/2 |
35 1/2 |
2 5/8 |
20 |
Dia. of Bolts
(inches) |
LENGTH |
Nominal Size |
| STUD BOLTS LENGTH |
| .25" Raised Face |
Male & Female
Tongue &
Groove |
Ring Joint |
| Sizes 1/2" through 2 1/2" are identical with class 1500 |
| 7/8 |
5.75 |
5.50 |
5.75 |
3 |
| 1 1/8 |
6.75 |
6.50 |
6.75 |
4 |
| 1 1/4 |
7.50 |
7.25 |
7.50 |
5 |
| 1 1/8 |
7.50 |
7.25 |
7.75 |
6 |
| 13/8 |
8.75 |
8.50 |
8.75 |
8 |
| 1 3/8 |
9.25 |
9.00 |
9.25 |
10 |
| 1 3/8 |
10.00 |
9.75 |
10.00 |
12 |
| 1 1/2 |
10.75 |
10.50 |
11.00 |
14 |
| 1 5/8 |
11.25 |
11.00 |
11.50 |
16 |
| 1 7/8 |
12.75 |
12.50 |
13.25 |
18 |
| 2 |
13.75 |
13.50 |
14.25 |
20 |
| 2 1/2 |
17.25 |
17.00 |
18.00 |
24 |
See 300 Class dimensions for dimensions ¡°Q¡± and ¡°D¡±.
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