... 4.Can do special design 5.MOQ 1pcs ProductCast iron ball valveSize15~200mmMaterialCast ironStandardISO,ANSI,ASTM,API,DINApplicationWater,air,non- ... all sectors.Advantages:1. Small fluid resistance,the whole diameter of the ball basically has no flow resistance.2. Simple structure,small ... medium pass.7. Wide application,the range of nominal diameter is froma few millimeters to a few meters from meters ...