... (External thread is NPT)Include: 90°Elbow, 45°Elbow, Nipple, Nipple with rib, (Rp) Coupling,180°Returns Elbow etc.ANSI B16.11, BS3799,JIS ... B2302,GB14626, MSS SP-97 etc.threaded fittingElbow(90°,45°), Tee, Full ... , Hexagon nipple, Hexagonal nut, Nipple, Union, Street 90°elbow, 180°Returns elbow etc. JIS B2302 steel pipe threaded fittings,Butt Welded ...