... Midline butterfly valve Type:D81XP-10 Body:cast iron/SS/WCB/DI Seat:EPDM/NBR ... 1/2-48 inchesBody Material:gray cast iron,nodular cast iron,carbon steel,stainless steel,aluminium ... rubber,hypalon,silicone rubber, fluororubber,ptfeSurface Treatment:epoxy resinDrive Way:lever Certification: ISO9001,2008 international ... .C The surface of this valve uses epoxy resin coating, then it shows more beautiful and ...