... 2) Free Samples 3) Competitive Price 4) Nice Packing Cast Steel Straight Way Diaphragm Valves Features:.Design & Manufacture:GB12239-89 ... Rating: PN6, PN10, PN16,Materials available in.Body/Bonnet: Cast Iron, Ductile Iron, .Lining:Rubber-NR.Diaphragm: Rubber .Disc ... :Cast Iron,Ductile Iron,Stainless Steel.Valve spindle:Carbon Steel & Stainless ...