... flux,strong,more stable,long life 2. Application:sea water desalination pretreatment; SW series for sea water desalination ModelSW8000K(inout) SW8060K(inout)Design flux(L/h ... % lower than operating pressureBack wash frequency30sec/0.5~1 hourApplication:sea water desalination pretreatmentAdvantage:corrosion resistance,high flux,strong,more stable,long life ...