The A Series family of proprietary thin film reverse osmosis membrane elements are characterized by high flux and excellent sodium chloride rejection AG High Rejection Brackish Water Elements are selected when high rejection and operating pressures as low as 200 psig 1379 kPa are desired These elements allow moderate energy savings and are considered a standard in the industry AG4021TF High Rejection Brackish Water elements feature a tape outer wrap and 28 mil feed spacers This element is designed with male end connections Element Specifications Model Flow Active Area Avg Rejection Min Rejection Part Number AG4021TF 1050 GPD 42 ft2 995 99 1206750 Specifications are based on a 2000 mgL NaCl solution at 225 psig operating pressure 1551 kPa 77F 25C 15 recovery pH 75 after 24 hours Individual flux may vary 25 15 Operating and Design Parameters Membrane Thin Film Membrane TFM Typical Operating Pressure 200 psig Maximum Pressure 450 psig Maximum Temperature 122F Chlorine Tolerance 1000 ppm hrs dechlorination recommended Optimum Rejection pH 70 75 Operating pH Range 40 110 Cleaning pH Range 20 115 Maximum Pressure Drop 6 psig 41 kPa per element36 psig 248 kPa per vessel Feed NTU lt1 Feed SDI lt3 Typical Operating Flux 10 20 GFD 15 35 LH 1M 2 Additional Details ------------------------------ Product description: The A Series family of proprietary thin film reverse osmosis membrane elements are characterized by high flux and excellent sodium chloride rejection AG High Rejection Brackish Water Elements are selected when high rejection and operating pressures as low as 200 psig 1379 kPa are desired These elements allow moderate energy savings and are considered a standard in the industry AG4021TF High Rejection Brackish Water elements feature a tape outer wrap and 28 mil feed spacers This element is designed with male end connections Element Specifications Model Flow Active Area Avg Rejection Min Rejection Part Number AG4021TF 1050 GPD 42 ft2 995 99 1206750 Specifications are based on a 2000 mgL NaCl solution at 225 psig operating pressure 1551 kPa 77F 25C 15 recovery pH 75 after 24 hours Individual flux may vary 25 15 Operating and Design Parameters Membrane Thin Film Membrane TFM Typical Operating Pressure 200 psig Maximum Pressure 450 psig Maximum Temperature 122F Chlorine Tolerance 1000 ppm hrs dechlorination recommended Optimum Rejection pH 70 75 Operating pH Range 40 110 Cleaning pH Range 20 115 Maximum Pressure Drop 6 psig 41 kPa per element36 psig 248 kPa per vessel Feed NTU lt1 Feed SDI lt3 Typical Operating Flux 10 20 GFD 15 35 LH 1M 2