150 LBS. STANDARD PRESSURE
PIPE SIZE
OUTSIDE DIAMETER
FLANGE THICKNESS
# DRILLED HOLES
BOLT DIAMETER

 

BOLT CIRCLE

 
1/2
3-1/2
7-1/16

4
1/2
2-3/8

3/4
3-7/8
1/2
4
1/2
2-3/4
1
4-1/4
9/16
4
1/2
3-1/8
1-1/4
4-5/8
5/8
4
1/2
3-1/2
1-1/2
5
11/16
4
1/2
3-7/8
2
6
3/4
4
5/8
4-3/4
2-1/2
7
7/8
4
5/8
5-1/2
3
7-1/2
15/16
4
5/8
6
3-1/2
8-1/2
15/16
8
5/8
7
4
9
15/16
8
5/8
7-1/2
5
10
15/16
8
3/4
8-1/2
6
11
1
8
3/4
9-1/2
8
13.5
1-1/8
8
3/4
11-3/4
10
16
1-9/16
12
7/8
14-1/4
12
19
1-1/4
12
7/8
17
14

21
1-3/8
12
1
18-3/4
16
23-1/2
1-7/16
16
1
21-1/4
18
25
1-9/16

16
1-1/8
22-3/4
20
27-1/2
1-11/16
20
1-1/8
25
22
29-1/2
1-15/16
20
1-1/4
27-1/4
24
32
1-7/8
20
1-1/4
29-1/2
26
34-1/4
2-11/16
24
1-1/4
31-1/4
30
38-3/4
2-15/16
28
1-1/4
36
34
43-3/4
3-1/4
32
1-1/2
40-1/2
36
46
3-9/16
32
1-1/2
42-3/4
42
53
4
36
1-1/2
48-1/2
           
250 LBS. STANDARD PRESSURE
PIPE SIZE
OUTSIDE DIAMETER
FLANGE THICKNESS
# DRILLED HOLES
BOLT DIAMETER

 

BOLT CIRCLE

 
1/2
3-3/4
9/16
4
1/2
2-5/8
3/4
4-5/8
5/8
4
5/8
3-1/4
1
4-7/8
11/16
4
5/8
3-1/2
1-1/4
5-1/4
3/4
4
5/8
3-7/8
1-1/2
6-1/8
1-3/16
4
3/4
4-1/2
2
6-1/2
7/8
8
5/8
5
2-1/2
7-1/2
1
8
3/4
5-7/8
3
8-1/4
1-1/8
8
3/4
6-5/8
3-1/2
9
1-3/16
8
3/4
7-1/4
4
10
1-1/4
8
3/4
7-7/8
5
11
1-3/8
8
3/4
9-1/4
6
12-1/2
1-7/16
12
3/4
10-5/8
8
15
1-5/8
12
7/8
13
10
17-1/2
1-7/8
16
1
15-1/4
12
20-1/2
2
16
1-1/3
17-3/4
14
23
2-1/8
20
1-1/8
20-1/4
16
25-1/2
2-1/4
20
1-1/4
20-1/2
18
28
2-3/8
24
1-1/4
24-3/4
20
30-1/2
2-1/2
24
1-1/4
27
22
33
2-5/8
24
1-1/2
29-1/4
24
36
2-3/4
24
1-1/3
32
26
38-1/4
3-1/8
28
1-5/8
34-1/3
30
43
3-5/8
28
1-3/4
39-1/4
34
47-1/2
4
28
1-7/8
43-1/2
36
50
4-1/3
32
3
46
42
57
4-5/8
36
2
52-3/4