... (BS),American,DIN 2) banded,beaded,plain;Galvanized and black 3)H,HE,HF,HB,GF 4)OEM/ODM malleable iron pipe fittings ... B1.20.1, DIN2950, DIN1692,DIN2999,1)standards: British standard(BS), American standard, and DIN standard. 2)It includes: ELBOW, TEE, SOCKET, UNION, NIPPLE ...