Flange Bolt Chart
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Flange
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NPS 18
Class 1500
Dimensions for NPS 18 Class 1500 generic flange
36
30.5
X
6.38
Field
Value
Notes
Outside Diameter of Flange (O)
36"
Note
Minimum Thickness of Flange (tf)
6-3/8"
Note
Diameter of Bolt Circle (W)
30-1/2"
Note
Flange dimensions in seconds.
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