Weld 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. Weld neck flange also called WN flange. Specification: ASME B16.47 - 2006 CLASS 150 SERIES A CLASS 150 Series.A FLANGE THICKNESS LTB DRILLING DATA NOMINAL PIPE SIZE NOMINAL…
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Weld Neck Flange
