Difference Between Socket Weld Fittings and Butt Weld Fittings
Adaptor - Tube Socket Weld (Fractional) X Pipe Butt Weld
What is a Socket Welding? Socket Welded Pipe Fittings (PDF) - What is Piping
BW-SW Adapter, 316SS, 1/2in. NB Pipe Butt Weld x 1/4in. OD Tube Socket Weld - BW-SW Adapter, 316SS, 1/2in. NB Pipe Butt Weld x 1/4in. OD Tube Socket Weld