1.Casting union conical BW/M 2.CNC lathe process 3. ... /8"-4",DN6-DN100 304 stainless steel union BW/M As the professional stainless steel pipe fittings ... pipe fitting, quick coupling, sanitary union, machinery parts,90 degree elbow,45 degree elbow,street elbow, red elbow ,tee, red tee, hex nipple, hex bushing ... Description of union: Item 304 stainless steel union BW/MSize NPS From 1/8 inch To 4 inch ...