4 inch double chamber two position three way valve

ARKA series back-flushing control valves are 3-way hydraulic drive diaphragm control valves with low pressureseal and smooth flow change. ARKA series back-flushing control valve can be connected with gravel filter or discfilter into an automatic backwash filtration system, and it can also change the direction of flow in water supplyThe control valve has 2 control chambers,which can be deformed into angular flow or direct flow through differ.ent spring assembly direction.The unique cavity design ensures large flow volume ofwater supply.