Ph. (818) 886-3755
Fax. (818) 772-7690
sales@thermometricscorp.com
Dimensions for Class 150 Flanges
Nom. Pipe Size
(inches)
O
Q
R
X
No. and** Dia. of Bolt Holes
Bolt Circle Dia
YY
H
J
Y
B
BB
Z
1/2
3.50
.44
1.38
1.19
4-0.62
2.38
1.88
.84
.62
.88
.12
.90
.38
3/4
3.88
.50
1.69
1.50
2.75
2.06
1.05
.82
1.09
1.11
1
4.25
.56
2.00
1.94
3.12
2.19
1.32
.69
1.36
11/4
4.62
2.50
2.31
2.25
1.66
.81
1.70
.19
1.72
11/2
5.00
.68
2.88
2.56
2.44
1.90
1.61
1.95
.25
1.97
2
6.00
.75
3.62
3.06
4-0.75
4.75
2.07
1.00
.31
2.46
21/2
7.00
4.12
3.56
5.50
2.47
1.12
2.94
2.97
3
7.50
.94
3.07
3.57
3.60
31/2
8.50
4.81
8-0.75
2.81
4.00
3.55
1.25
40.70
4.10
4
9.00
6.19
5.31
3.00
4.50
4.03
1.31
4.57
4.60
5
10.00
7.31
6.44
8-0.88
5.56
5.05
1.44
5.66
5.69
6
11.00
7.56
9.50
6.63
6.07
1.56
6.72
6.75
8
13.50
10.62
9.69
11.75
8.63
7.98
1.75
8.72
8.75
10
16.00
12.75
12.00
12-1.00
14.25
10.75
10.02
10.88
10.92
12
19.00
15.00
14.38
17.00
12.88
12.92
14
21.00
16.25
15.75
12-1.12
18.75
14.00
To Be Specified by Purchaser
14.14
14.18
16
23.50
18.50
18.00
16-1.12
21.25
16.16
3.44
16.19
18
25.00
19.88
16-1.25
22.75
2.69
18.18
3.81
18.20
20
27.50
23.00
22.00
20-1.25
20.00
20.2
4.06
20.25
24
32.00
27.25
26.12
20-1.38
29.50
24.00
3.25
24.25
4.38