1)Name: socket weld flange for oil 2)150-2500lb 3)Size:3/8-160" 4) ... weld flange for oil Size1/2"-160"TypeWeld Neck flange(WN),Slip-On flange(SO),Blind flange(BL),Socket Weld flange SW), Plate flange(PL),Threaded flange (TH ... (SSAW),seamless steel pipe (SMLS) ,and LSAW pipe! socket weld flange for oil