... ,DIN 4.Can do special design 5.MOQ 1pcs ProductCast iron ball valveSize15~200mmMaterialCast ironStandardISO,ANSI,ASTM,API,DINApplicationWater,air,non ... customer’s design and samples by different materialsCould be combined with other items in orderBall valve is mainly used to cut off ... .6. Sealing surface of ball and valve seat is separate with media when full open and full closed,this will not ...