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Tel: 215-643-1000
Fax: (215)-643-1125
Email: clweber@clweber.com

Primary Services:
Wholesaler of Industrial Pipe, Valves, Hose, Fittings and Flanges.

On-site pipe cutting, threading, beveling, grooving, flange spool piece makeups, and pipe assemblies made to your specifications.

On-site hose and tubing assemblies. For Hydraulic, Food Transfer, Water, Air, Marine, Sewage Treatemnt and many other industrial applications.

Technical Information

Click Here for Pipe Dimensions Chart

Pipe Size
150 BOLTING PATTERN & BOLT LENGTHS
Outside Dia.
of Flange
Dia. of
Bolt Circle
Dia. of
Bolt Holes
Number
of Bolts
Dia.
of Bolts
Length Machine Bolts
Length Stud Bolts
0.006 in
Raised Face
0.006 in
Raised Face
1/2
3.50
2.38
0.62
4
1/2
                 1.75
2.25
3/4
3.88
2.75
0.62
4
1/2
2.00
2.25
1
4.25
3.12
0.62
4
1/2
2.00
2.50
1 1/4
4.62
3.50
0.62
4
1/2
2.25
2.50
1 1/2
5.00
3.88
0.62
4
1/2
2.25
2.75
2
6.00
4.75
0.75
4
5/8
2.75
3.00
2 1/2
7.00
5.50
0.75
4
5/8
3.00
3.75
3
7.50
6.00
0.75
4
5/8
3.00
3.50
3 1/2
8.50
7.00
0.75
8
5/8
3.00
3.00
4
9.00
7.50
0.75
8
5/8
3.00
3.50
5
10.00
8.50
0.88
8
3/4
3.25
3.75
6
11.00
9.50
0.88
8
3/4
3.25
3.75
8
13.50
11.75
0.88
8
3/4
3.50
4.00
10
16.00
14.25
1.00
12
7/8
3.75
4.50
12
19.00
17.00
1.00
12
7/8
4.00
4.50
14
21.00
18.75
1.12
12
1
4.25
5.00
16
23.50
21.25
1.12
16
1
4.50
5.25
18
25.00
22.75
1.25
16
1  1/8

4.75
5.75
20
27.50
25.00
1.25
20
1  1/8
5.25
6.00
24
32.00
29.50
1.38
20
1  1/4
5.75
6.75
30
38.75
36.00
1.38
28
1  1/4
-
-
36
46.00
42.75
1.62
32
1  1/2
-
-
42
53.00
49.50
1.62
36
1  1/2
-
-
48
59.50
56.00
1.62
44
1  1/2
-
-


Pipe Size
300 BOLTING PATTERN AND BOLT LENGTHS
Outside
Dia.
of Flange
Dia. of
Bolt Circle
Dia. of
Bolt Holes
Number of
Bolts
Dia. of
Bolts
Machine Bolts
Stud Bolts
0.006 in
Raised Face
0.006 in
Raised Face
1/2
3.75
2.62
0.62
4
1/2
2.25
2.75
3/4
4.62
3.25
0.75
4
5/8
2.50
3.00
1
4.88
3.50
0.75
4
5/8
2.75
3.25
1 1/4
5.25
3.88
0.75
4
5/8
2.75
3.25
1 1/2
6.12
4.50
0.88
4
3/4
3.00
3.75
2
6.50
5.00
0.75
8
5/8
3.00
3.50
2 1/2
7.50
5.88
0.88
8
3/4
3.50
4.00
3
8.25
6.62
0.88
8
3/4
3.75
4.25
3 1/2
9.00
7.25
0.88
8
3/4
3.75
4.50
4
10.00
7.88
0.88
8
3/4
4.00
4.50
5
11.00
9.25
0.88
8
3/4
4.25
4.75
6
12.50
10.62
0.88
12
3/4
4.25
5.00
8
15.00
13.00
1.00
12
7/8
4.75
5.50
10
17.50
15.25
1.12
16
1.00
5.50
6.25
12
20.50
17.75
1.25
16
1  1/8
6.00
6.75
14
23.00
20.25
1.25
20
1  1/8
6.25
7.00
16
25.50
22.50
1.38
20
1   1/4
6.50
7.50
18
28.00
24.75
1.38
24
1   1/4
6.75
7.75
20
30.50
27.00
1.38
24
1  1/4
7.25
8.25
24
36.00
32.00
1.62
24
1  1/2
8.00
9.25
30
43.00
39.25
1.88
28
1  3/4
-
-
36
50.00
46.00
2.12
32
2
-
-
42
50.75
47.50
1.75
32
1  5/8
-
-
48
57.75
54.00
2.00
32
1  7/8
-
-