Industry’s Filtration Partner
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).
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Item #

Flow Average

Salt Rejection Average (NaCl)

Active Area

Outer Wrap

Part Number

Dimension A (Length)

Dimension C (Outside Diameter)

AK2540FM N/A 710 gpd2.7 m³/day N/A 99.0 % N/A 29 ft²2.7 m² N/A Fiberglass N/A 1206800 N/A 40.0 in101.6 cm N/A 2.4 in6.1 cm
AK2540TM N/A 710 gpd2.7 m³/day N/A 99.0 % N/A 27 ft²2.5 m² N/A Tape N/A 1206802 N/A 40.0 in101.6 cm N/A 2.4 in6.1 cm
AK4040C N/A 2475 gpd9.4 m³/day N/A 99.0 % N/A 95 ft²8.8 m² N/A Cage™ N/A 1223696 N/A 40.0 in101.6 cm N/A 3.9 in9.9 cm
AK4040CM N/A 2350 gpd8.9 m³/day N/A 99.0 % N/A 90 ft²8.4 m² N/A Cage™ N/A 1227885 N/A 40.0 in101.6 cm N/A 3.9 in9.9 cm
AK4040FM N/A 2200 gpd8.3 m³/day N/A 99.0 % N/A 85 ft²7.9 m² N/A Fiberglass N/A 1206813 N/A 40.0 in101.6 cm N/A 3.9 in9.9 cm
AK4040NM N/A 2200 gpd8.3 m³/day N/A 98.5 % N/A 85 ft²7.9 m² N/A Net™ N/A 1231787 N/A 40.0 in101.6 cm N/A 3.9 in9.9 cm
AK4040TM N/A 2200 gpd8.3 m³/day N/A 99.0 % N/A 85 ft²7.9 m² N/A Tape N/A 1206816 N/A 40.0 in101.6 cm N/A 3.9 in9.9 cm
AK8040C N/A 9900 gpd37.5 m³/day N/A 99.0 % N/A 380 ft²35.3 m² N/A Cage™ N/A 1206819 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
AK8040F N/A 9200 gpd34.8 m³/day N/A 99.0 % N/A 365 ft²33.9 m² N/A Fiberglass N/A 1206820 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
AK8040F 400 N/A 10500 gpd39.7 m³/day N/A 99.0 % N/A 400 ft²37.2 m² N/A Fiberglass N/A 1206821 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
AK8040F 400 WET N/A 10500 gpd39.7 m³/day N/A 99.0 % N/A 400 ft²37.2 m² N/A Fiberglass N/A 1239766 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
AK8040N N/A 9200 gpd34.8 m³/day N/A 98.5 % N/A 350 ft²32.5 m² N/A Net™ N/A 1231788 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
AK8040N 400 N/A 10500 gpd39.7 m³/day N/A 98.5 % N/A 400 ft²37.2 m² N/A Net™ N/A 1231789 N/A 40.0 in101.6 cm N/A 7.9 in20.1 cm
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