Dimensions of Slip-On Flanges - ASME B16.5 Class 300
Flanges - Welding Neck Flange #Welding Neck #Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a #pipe or #fitting. The long
Inch Dimensions of Weld Neck Flange Rating 400 as per ASME B16.5 – The Piping Engineering World