... quality ball valve,lowest price 2.Size15~200mm 3.Standard:ISO.ANSI,ASTM,API,DIN 4.Can do special design ... ironStandardISO,ANSI,ASTM,API,DINApplicationWater,air,non-corrosive(gas)liquidPackingExport standard packingOthersCould do as customer’s design and samples by ... Tight and reliable.It has two sealing surface,sealing surface material is widely used in a variety of plastic at present,sealing ...