... Neck Flanges Standards: ANSI,BS,DIN (1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long ... Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove (5) Size: 1/2"_48 ...