... / straight,reducing) 2butt welded/ welded 3Special type:lateral tee Describe: JIS B2302 steel pipe threaded fittings Manufacture process: Bent with pipe ... , (Rp) Coupling,180°Returns Elbow etc.ANSI B16.11, BS3799,JIS B2302,GB14626, MSS SP-97 etc.threaded fittingElbow(90°,45 ... nut, Nipple, Union, Street 90°elbow, 180°Returns elbow etc. JIS B2302 steel pipe threaded fittings,Butt Welded Tee