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Bolting Dimensions for ANSI/ASME B16.5 Flange Class900
1. Bolting dimensions for Class 900 ASME/ANSI B16.5 steel pipe flanges.
IMPORTANT NOTES:
1) All dimensions are in inches.
2) Usually only stud bolts with nuts are employed to 900LB flanges.
3) Length of stud bolts don't include point height.
4) 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 |
|
1/2"
|
4
|
3/4"
|
4-1/4"
|
|
3/4"
|
4
|
3/4"
|
4-1/2"
|
|
1"
|
4
|
7/8"
|
5"
|
|
1-1/4"
|
4
|
7/8"
|
5"
|
|
1-1/2"
|
4
|
1"
|
5-1/2"
|
|
2"
|
8
|
7/8"
|
5-3/4"
|
|
2-1/2"
|
8
|
1"
|
6-1/4"
|
|
3"
|
8
|
7/8"
|
5-3/4"
|
|
4"
|
8
|
1-1/8"
|
6-3/4"
|
|
5"
|
8
|
1-1/4"
|
7-1/2"
|
|
6"
|
12
|
1-1/8"
|
7-1/2"
|
|
8"
|
12
|
1-3/8"
|
8-3/4"
|
|
10"
|
16
|
1-3/8"
|
9-1/4"
|
|
12"
|
20
|
1-3/8"
|
10"
|
|
14"
|
20
|
1-1/2"
|
10-3/4"
|
|
16"
|
20
|
1-5/8"
|
11-1/4"
|
|
18"
|
20
|
1-7/8"
|
12-3/4"
|
|
20"
|
20
|
2"
|
13-3/4"
|
|
24"
|
20
|
2-1/2"
|
17-1/4"
|
Views: 6052 Author：METALS INDUSTRIAL Date:2015/03/21