Socket Weld Flanges 1.Size: 1/8"~48", 2.Export All ... ,OEM, Flange Specification Size1/8"-48"TypeWNRF, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind ... formal order .Inspection Factory in-house or Third Party inspection available.We can also manufacture special application flanges and forgings as ...