Lap Joint Lap Joint Flange, ANSI Class 1500 – Coastal Flanges April 17, 2021 Posted by PipeAdmin 17 Apr Nominal Pipe Size (NPS): 1/23/411-1/41-1/222-1/23456810121416182024 Outside Diameter (O): 4.75 Thickness (T): 0.88 Length Thru Hub (Y): 1.25 Hub Diameter (X): 1.50 Radius (r): 0.13 Bore (B): 0.90 Approximate Weight (lbs): 4 Bolt Circle (C): 3.25 Number of Holes: 4 Diameter of Holes: 0.88 [hoops name=”footer-coastal-flange-contact”]