... Europe,Africa,South America. 4.EPDM seat ISO9001 Ductile Iron Gate Valve Specification:1. Size: 1-1/2”-24 ... and gasParts & Materials: PartsMaterialsBodyGrey iron, Ductile iron, Carbon steel, Stainless steelDisc Grey iron, Ductile iron, Carbon steel, Stainless steel, ... PTFELevelMalleable iron, Carbon steelContact: Ms. Annie Tel: +86-311-85520268/9, Fax: +86-311-85520266 ISO9001 Ductile Iron Gate Valve