... DIN 4.Can do special design 5.MOQ 1pcs ProductCast iron ball valveSize15~200mmMaterialCast ironStandardISO,ANSI,ASTM,API,DINApplicationWater,air, ... used for fluid regulation and control.The main features of valve is compact structure,reliable sealing,simple,easy maintenance,sealing ... resistance,the whole diameter of the ball basically has no flow resistance.2. Simple structure,small and light.3. Tight ...