Catalog Section Thermowells
Flange Dimensions
Flange Weights
Metal Types
Thermometricscorp.com Dimensions for Class 600 Flanges
Nom. Pipe Size (inches)
O
Q*
R
X
No. and** Dia of Bolt Holes
Bolt Circle Dia.
YY*
H
J
Y*
B
r
YV
BB
Z
C
T
1/2
3.75
0.56
1.38
1.5
4-0.62
2.62
2.06
0.84
****
0.88
0.12
0.90
0.38
0.93
0.62
3/4
4.62
.62
1.69
1.88
4-0.75
3.25
2.25
1.05
1.00
1 09
1.11
.44
1.14
1
4.88
.69
2.00
2.12
3.50
2.44
1.32
1.06
1.36
0.5
1.41
0.69
11/4
5.25
0.81
2.50
2.5
3.88
1.66
1.12
1.70
0.19
1.72
0 56
1.75
11/2
6.12
2.88
2.75
4-0.88
4.50
1.90
1.25
1.95
0.25
1.97
1.99
2
6.50
3.62
3.31
8-0.75
5.00
2.38
1.44
0.31
2.46
21/2
7.50
4.12
3.94
8-0.88
5.88
3.12
1.62
2.94
2.97
0.75
3.00
3
8.25
6.62
1.81
3.57
3.60
3.63
31/2
9.00
5.5
8-1.00
7.25
3.38
4.00
1.94
4.07
4.10
4.13
1.56
4
10.75
1.50
6.19
6.00
8.50
4.57
0.44
4.60
4.63
5
13.00
7.31
7.44
8-1.12
10.50
5.56
5.66
5.69
6
14.00
8.75
12-1.12
11.50
6.63
6.72
0.50
6.75
8
16.50
2.19
10.62
12-1.25
13.75
8.63
8.72
10
20.00
12.75
13.5
16-1.38
17.00
10.88
4.38
10.92
2.56
12
22.00
15.00
15.75
20-1.38
19.25
12.88
12.92
12.94
14
23.75
16.25
20-1.50
20.75
3.69
14.14
14.18
14.19
16
27.00
18.50
19.50
20-1.62
7.00
16.00
4.19
16.16
16.19
18.19
3.06
18
29.25
21.00
21.50
20-1.75
25.75
18.00
18.18
18.20
18.10
20
32.00
23.00
24.00
24-1.75
28.50
20.2
6.5
20.25
20.19
24
37.00
27.25
28.25
24-2.00
33.00
8.00
5.50
24.25
24.19
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