Slip-On Slip-On Flange, ANSI Class 900 – 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 Raised Face Diameter (R): 1.38 Length Thru Hub (Y): 1.25 Hub Diameter (X): 1.50 Bore (B): 0.88 Approximate Weight (lbs): 4 Bolt Circle (C): 3.25 Number of Holes: 4 Diameter of Holes: 0.88 [hoops name=”footer-coastal-flange-contact”]