Lap Joint Lap Joint Flange, ANSI Class 150 – Coastal Flanges April 17, 2021 Posted by PipeAdmin 17 Apr Nominal Pipe Size (NPS): 1/23/411-1/41-1/222-1/233-1/245681012141618202224 Outside Diameter (O): 3.50 Thickness (T): 0.44 Length Thru Hub (Y): 0.63 Hub Diameter (X): 1.19 Radius (r): 0.13 Bore (B): 0.90 Approximate Weight (lbs): 1 Bolt Circle (C): 2.38 Number of Holes: 4 Diameter of Holes: 0.63 [hoops name=”footer-coastal-flange-contact”]