... ,DIN 4.Can do special design 5.MOQ 1pcs ProductCast iron ball valveSize15~200mmMaterialCast ironStandardISO,ANSI,ASTM,API,DINApplicationWater,air,non ... in closed state,anti scour,easy operation and maintenance,apply for water,solvents,acids and natural gas in general working medium ... to dismantle and replace.6. Sealing surface of ball and valve seat is separate with media when full open and full closed ...