Resilient renewable Seated,two-way sealing ,zero leakage,long lifetime,heat-resistant,corrosion resistance, ... produce many kinds offloating ball valve such as 3 piece floating balll valve2 piece floating ball valve,reduce ball floating ball ,top entry floating ball valve,etc Note: as ... prevent the deposition of slag and jam.3, single seat, one-way sealing.4.the valve plate design is flat with blade ...