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Industry Standard Class 75 Flanges
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Industry Standard Class 75 Welding Neck Flanges
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Unit of Measure
Imperial
Metric
Both
Specifications
Nominal Pipe Size
No Preference
26
28
30
32
34
36
42
48
54
60
66
72
Outside Diameter (O) (in)
No Preference
31.50
33.50
35.50
38.25
40.25
42.25
49.00
55.00
61.25
67.25
74.00
80.00
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