ASME B16.4 Socket Weld Flange
ASTM A197 Socket Weld Flange, 3 Inch, 150 LB, ASME B16.3
150 LB Socket Weld Flange Pipe Fitting Material: Black Steel. Fitting Schedule/Class: Class 150 LB....
150 LB Socket Weld Flange Pipe Fitting Material: Black Steel. Fitting Schedule/Class: Class 150 LB....