... MSS SP-75, MSS SP-79;ISO 3419,ISO 5251,DIN 2615,DIN2616.DIN2617SY/T 0510, SH 3408, SH3410Size1/2''- ... WPL6, WPL3;ASTM A105 WPB;ASTM A106;ASTM A350 LF2,DIN St37, St45.8, St52.4,St.35.8,St ... , WPHY 60, WPHY 52,WPHY 46,WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 WP304, A403 WP304L, A403 WP316 ... and equal tee.equal tee: the same pipe diameter between main pipe and branch pipereducing tee: branch pipe's ...