... pipe fitting 2.ISO 9001, BV 3.BS, DIN, NPT standard 4.banded, beaded,plain 5.size:1/8"-6" tee ... :6-150 (mm),and reducer products.Thread standards British standard,American standard,DIN standard.FinishedBlack,Electric Galvanized,Hot Dipped Galvanized,all be antirust treatment ...