ANSI-B16.1 Large Diameter Class 250 Slip-On, Weld-Neck and Blind Flanges

NOTES:
1. Flanges available overbored, counterbored or with reducing bores per customer specification.
2. Flanges available overdrilled to accommodate insulators.
3. For nominal sizes under 24" see ANSI B16.5 Class 300 flanges