... PN16), BS 10 Table E4. Disc: Grey iron, Ductile iron, with or without EPDM5. Seat: Stainless steel, ... and gasParts & Materials: PartsMaterialsBodyGrey iron, Ductile iron, Carbon steel, Stainless steelDisc Grey iron, Ductile iron, Carbon steel, Stainless steel, with ... PTFELevelMalleable iron, Carbon steelContact: Ms. Annie Tel: +86-311-85520268/9, Fax: +86-311-85520266 SS410 Rising Stem Gate Valve