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.