We offer cd4 impeller. Most of the impellers are made by lost wax method 1.goulds 3196 impeller and durco impeller is ansi pump parts, which used for oil, chemical, paper.Material: titanium , stainless steel, cd4, alloy 20, carbon steel, low alloy, iron, bronze or brass, etc.2.type: open, semi open, closed or shrouded3.used in pumps, centrifugal compressors, water jets, agitated tanks 4.we also make parts by your drawing or samples.5.moq:1piece6.package:wooden cases7.payment:tt, 30%deposit, others need to paid before delivery.8.delivery time:45days common9.port:qingdao