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Bolting Dimensions for ANSI/ASME B16.5 Flange Class300
1. Bolting dimensions for Class 300 ASME/ANSI B16.5 steel pipe flanges.
IMPORTANT NOTES:
- All dimensions are in inches.
- Two types of bolting can be employed: Stud Bolt with Nuts or Machine Bolt with Nuts.
- Length of stud bolts don't include point height.
- When converted to metric unit, the length value can be rounded to the nearest 5mm.
NPS of
Pipe |
Number of
Bolts |
Diameter of
Bolts |
Length of
Stud Bolt |
Length of
Machine Bolt |
1/2"
|
4
|
1/2"
|
2-1/2"
|
2-1/4"
|
3/4"
|
4
|
5/8"
|
3"
|
2-1/2"
|
1"
|
4
|
5/8"
|
3"
|
2-1/2"
|
1-1/4"
|
4
|
5/8"
|
3-1/4"
|
2-3/4"
|
1-1/2"
|
4
|
3/4"
|
3-1/2"
|
3"
|
2"
|
8
|
5/8"
|
3-1/2"
|
3"
|
2-1/2"
|
8
|
3/4"
|
4
|
3-1/4"
|
3"
|
8
|
3/4"
|
4-1/4"
|
3-1/2"
|
3-1/2"
|
8
|
3/4"
|
4-1/4"
|
3-3/4"
|
4"
|
8
|
3/4"
|
4-1/2"
|
3-3/4"
|
5"
|
8
|
3/4"
|
4-3/4"
|
4-1/4"
|
6"
|
12
|
3/4"
|
4-3/4"
|
4-1/4"
|
8"
|
12
|
7/8"
|
5-1/2"
|
4-3/4"
|
10"
|
16
|
1"
|
6-1/4"
|
5-1/2"
|
12"
|
16
|
1-1/8"
|
6-3/4"
|
5-3/4"
|
14"
|
20
|
1-1/8"
|
7"
|
6-1/4"
|
16"
|
20
|
1-1/4"
|
7-1/2"
|
6-1/4"
|
18"
|
24
|
1-1/4"
|
7-3/4"
|
6-3/4"
|
20"
|
24
|
1-1/4"
|
8"
|
7-1/4"
|
24"
|
24
|
1-1/2"
|
9"
|
8-1/4"
|
Views: Author:hbmetals Date:15/03/18