Flanges Dimensions
Flange Weight
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ASA 300# DIMENSION
Nom. Pipe Size (inches)
O
Q*
R
X
No. and** Dia of Bolt Holes
Bolt Circle Dia.
YY*
H
J
Y*
B
YV
BB
Z
C
T
1/2
3.75
0.56
1.38
1.50
4-0.62
2.62
2.06
0.84
0.62
0.88
0.12
0.90
0.38
0.93
3/4
4.62
1.69
1.88
4-0.75
3.25
2.25
1.05
0.82
1.00
1.09
1.11
0.44
1.14
1
4.88
0.69
2.00
2.12
3.50
2.44
1.32
1.06
1.36
0.50
1.41
11/4
5.25
0.75
2.50
3.88
2.56
1.66
1.70
0.19
1.72
1.75
0.81
11/2
6.12
2.88
2.75
4-0.88
4.50
2.69
1.90
1.61
1.19
1.95
0.25
1.97
1.99
2
6.50
3.62
3.31
8-0.75
5.00
2.38
2.07
1.31
0.31
2.46
1.12
21/2
7.50
4.12
3.94
8-0.88
5.88
3.00
2.47
2.94
2.97
1.25
3
8.25
6.62
3.12
3.07
3.57
3.60
3.63
31/2
9.00
5.50
7.25
3.19
4.00
3.55
4.07
4.10
4.13
1.44
4
10.00
6.19
5.75
7.88
3.38
4.03
4.57
4.60
4.63
5
11.00
7.31
7.00
9.25
5.56
5.05
5.66
5.69
6
12.50
8.50
8.12
12-0.88
10.62
6.63
6.07
6.72
6.75
1.81
8
15.00
1.62
10.25
12-1.00
13.00
4.38
8.63
7.98
8.72
8.75
10
17.50
12.75
12.62
16-1.12
15.25
10.75
10.02
10.88
10.92
2.19
12
20.50
14.75
16-1.25
17.75
5.12
12.00
12.88
12.92
12.94
14
23.00
16.25
16.75
20-1.25
20.25
5.62
14.00
To Be Specified by Purchaser
14.14
14.18
14.19
16
25.50
18.50
19.00
20-1.38
22.50
16.00
16.16
4.75
16.19
18
28.00
21.00
24-1.38
24.75
6.25
18.00
18.18
18.20
18.19
20
30.50
23.12
27.00
6.38
20.00
20.20
20.19
24
36.00
27.25
27.62
24-1.62
32.00
24.00
4.19
24.25
6.00
24.19
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