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Flanges › Dimensions › ANSI / ASME › B16.47 › Series A › Class 400

ASME B16.47 Series A — Class 400 Flanges

Only Weld Neck and Blind flanges are covered under B16.47 — NPS 26" to 60".

26"–60" NPS Range
400 Pressure Class
2 Flange Types

Weld Neck (WN)

NPS Range 26" – 60"
Bolting Varies by NPS
Standard ASME B16.47 Series A
Pressure Class 400
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Blind (BL)

NPS Range 26" – 60"
Bolting Varies by NPS
Standard ASME B16.47 Series A
Pressure Class 400
View Dimensions →

Need ASME B16.47 Series A Class 400 Flanges for Your Project?

Get a fast, accurate quote from our engineering team — WN and BL flanges, NPS 26" to 60".

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