equal tee 1.Certification:ISO 9001:2000 2.GALVANIZED;BLACK. 3.BEANED;BANDED. 4.BS EN10242;DIN EN10242 equal ... pipeline holding water,oil,gas,etc.(Black)Painting,Galvanized,Elctro-plating.standardsCompany Stand:Q/T M05-2006(partially based on JIS B2301 ... /T 7306.1-2000,GB/T 7306.2 beaded malleable iron tee