... .standard:HG20592, ASME16.5B, weld neck reducing flange 1.size: 3/8''~160''. ... :HG20592, ASME16.5B, DIN weld neck reducing flangesize3/8''~160''TypeLap-Joint Flange (LJ ... flanges, Slip on flanges, plate flanges, screwed flanges, blind flanges, reducing flanges, weld neck flanges, socket weld flanges, lap joint flanges, spectacles flanges, ring joint flanges, orifice flanges, long weld neck flanges ...