1)Ductile Iron Grooved Fittings. 2)Certificate:FM&UL 3)Finish:Paint,Epoxy Powder and Darcromet 4)Color:RAL3000 Features: ... ,2)Finish:Paint ,Epoxy Powder or Darcromet,3)Color:Red RAL3000, Certificates:1)FM and UL Approval2)ANSI, ASTM,DIN,BS Usage ... system on shipping ,mine, oil field,textile,powder plant,etc.3)Pipeline system on subway station ,railway station ,airport, seaport,bridge ...