... fittings Certificate:ISO ,BSI Surface:Black and Galvanized OUR PRODUCTS RANGE MaterialMalleable casting iron StandardBS(EN10242) standard,ISO49/ ... , Elbow, Tee, Cross, Socket, Nipple, Plug, Cap, Nut, Union, BushingSurfaceHot-dipped galvanized, Normal black, Shining blackGradesHeavy series, Standard series, Medium series, Light ...