Weld Neck Flanges
ASME B16.47 Series A Weld Neck Flange
ASME B16.47 Series A weld neck flange dimensions for general use flanges, covering Class 150, Class 300, Class 400, Class 600, and Class 900.
ASME B16.47 Series B Weld Neck Flange
ASME B16.47 Series B weld neck flange dimensions for compact flanges that, in most cases, have smaller bolt circle diameters than Series A flanges.Size:26”-60”. Pressure: class75 – class900.