Back to Technical Directory

Nominal Pipe Size
150
-
Pound
Drilling Templates

Inches
Diameter
Flange
Number
of Bolts
Diameter and
Length of Bolts
Diameter of
Bolt Circle
1/2
31/2
4
1/2 x11/2
23/8
3/4
37/8
4
1/2 x13/4
23/4

1

41/4
4
1/2 x13/4
31/8
11/4
45/8
4
1/2 x13/4
31/2
11/2
5
4
1/2 x 2
37/8
Nominal Pipe Size
150
-
Pound
Drilling Templates

Inches
Diameter
Flange
Number
of Bolts
Diameter and
Length of Bolts
Diameter of
Bolt Circle
2
6
4
5/8 x 21/4
43/4
21/2
7
4
5/8 x 21/4
51/2
3
71/2
4
5/8 x 21/2
6
31/2
81/2
8
5/8 x 21/2
7
4
9
8
5/8 x 23/4
71/2
Nominal Pipe Size
150
-
Pound
Drilling Templates

Inches
Diameter
Flange
Number
of Bolts
Diameter and
Length of Bolts
Diameter of
Bolt Circle
5
10
8
3/4 x 23/4
81/2
6
11
8
3/4 x 3
91/2
8
131/2
8
3/4 x 31/4
113/4
10
16
12
7/8 x 31/2
141/4
12
19
12
7/8 x 33/4
17
Nominal Pipe Size
150
-
Pound
Drilling Templates

Inches
Diameter
Flange
Number
of Bolts
Diameter and
Length of Bolts
Diameter of
Bolt Circle
14
21
12
1 x 4
183/4
16
231/2
16
1 x 41/4
211/4
18
25
16
11/8 x 41/2
223/4
20
271/2
20
11/8 x 43/4
25
24
32
20
11/4 x 51/4
291/2