Flange Bolt Chart
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Flange
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NPS 38
Class 400
Dimensions for NPS 38 Class 400 generic flange
47.5
44
X
4.88
Field
Value
Notes
Outside Diameter of Flange (O)
47-1/2"
Note
Minimum Thickness of Flange (tf)
4-7/8"
Note
Diameter of Bolt Circle (W)
44"
Note
Flange dimensions in seconds.
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