The A-Series, family of proprietary thin-film reverse osmosis membrane elements are characterized by high flux and high sodium chloride rejection. AK Low Pressure Brackish Water Elements are selected when high rejection and low operating pressures are desired. These elements allow significant energy savings since good rejection is achieved at operating pressures as low as 100 psig (689 kPa).
Unit of Measure
Element Specification
Membrane |
N/A A-Series, Thin-Film Membrane (TFM™) |
Flow Average |
N/A 710 gpd2.7 m³/day |
Salt Rejection Average (NaCl) |
N/A 99.0 % |
Salt Rejection Minimum (NaCl) |
N/A 98.0 % |
Note |
N/A
Average salt rejection after 24 hours operation. Individual flow rate may vary +25%/-15%. Testing conditions: 500ppm NaCl solution at 115psig (793 kPa) operating pressure, 77ºF, pH7.5 and 15% recovery. |
Active Area |
N/A 27 ft²2.5 m² |
Outer Wrap |
N/A Tape |
Part Number |
N/A 1206802 |
Dimensions and Weight
Dimension A (Length) |
N/A 40.0 in101.6 cm |
| Dimension B1 | N/A 0.75 inOD: 1.90 cm |
Dimension C (Outside Diameter) |
N/A 2.4 in6.1 cm |
Boxed Weight |
N/A 5 lb2.3 kg |
Operating and CIP parameters
Typical Operating Pressure |
N/A 100 psig689 kPa |
Typical Operating Flux |
N/A 10 - 20 GFD15 - 35 LMH |
Maximum Pressure |
N/A 400 psig2756 kPa |
Maximum Operating Temperature |
N/A 122 ºF50 ºC |
Maximum Cleaning Temperature |
N/A 122 ºF50 ºC |
Optimum Rejection Recommended pH |
N/A 7.0 - 7.5 |
Operating Range Recommended pH |
N/A 4.0 - 11.0 |
Cleaning Range Recommended pH |
N/A 2.0 - 11.5 |
Recommended Pressure Drop Over an Element |
N/A 12 psig83 kPa |
Recommended Pressure Drop Per Housing |
N/A 50 psig345 kPa |
Chlorine Tolerance |
N/A 1,000+ ppm-hours, Dechlorination Recommended |
Feedwater |
N/A NTU < 1 SDI < 5 |
- 1 Internal diameter unless specified OD (outside diameter).
