... .9 ASTM A234 WPB, JIS,DIN. ETC.SIZE:1/2"---48"THICKNESS:STD,SCH40,SCH20,SCH60,SCH80,SCH100,S , CH120,SCH160 ... eccentric reducer used in piping in about pump and pipe rack area.A tee is also called triplet,three way and ... capacity to control the volume when requried carbon steel astm L/R 45 degree Elbow