... Europe,Africa,South America. 4.EPDM seat D40-D600 Full Range Gate Valve Specification:1. Size: 1-1 ... Materials: PartsMaterialsBodyGrey iron, Ductile iron, Carbon steel, Stainless steelDisc Grey iron, Ductile iron, Carbon steel, Stainless steel, with or ... PTFEStemStainless steel, Brass/Bronze etc BushingPTFE"O" ringNBR, PTFELevelMalleable iron, Carbon steelContact: Ms. Annie Tel: +86-311-85520268/9, Fax ...