Slip-On Slip-On Flange, ANSI Class 2500 – Coastal Flanges April 17, 2021 Posted by PipeAdmin 17 Apr Nominal Pipe Size (NPS): 1/23/411-1/41-1/222-1/2345681012 Outside Diameter (O): 5.25 Thickness (T): 1.19 Raised Face Diameter (R): 1.38 Length Thru Hub (Y): 1.56 Hub Diameter (X): 1.69 Bore (B): 0.88 Approximate Weight (lbs): 4 Bolt Circle (C): 3.50 Number of Holes: 4 Diameter of Holes: 0.88 [hoops name=”footer-coastal-flange-contact”]