... Cast Iron Gate Valve Specification:1. Size: 1-1/2”-24” (DN40-DN600)2. Design Standard: BS5163, AWWA C509/C515, DIN3202 F4/F5, MSS SP ... gasParts & Materials: PartsMaterialsBodyGrey iron, Ductile iron, Carbon steel, Stainless steelDisc Grey iron, Ductile iron, Carbon steel, Stainless steel ... iron, Carbon steelContact: Ms. Annie Tel: +86-311-85520268/9, Fax: +86-311-85520266 ISO9001 Cast Iron Gate Valve