AG HR Series


High Rejection Brackish Water RO Elements

GE Power Water & Process Technologies

The A-Series family of proprietary thin-film reverse osmosis membrane is characterized by high flux and high sodium chloride rejection. AG HR brackish water elements are selected when high rejection and operating pressures as low as 200 psi (1,379 kPa) are desired. These elements are recommended for brackish water with salt concentration (TDS) levels between 1,000 and 10,000mg/l or when very high salt rejection of monovalent ions is required.

Table 1: Element Specification

Membrane Thin-film membrane (TFM*)

Model Average permeate flow gpd (m3/day)1,2 Average NaCl rejection1,2 Minimum NaCl rejection1,2
AG-90 2300 (8.7) 99.8% 99.3%
AG-365 10,000 (37.9) 99.8% 99.3%
AG-400 11,000 (41.6) 99.8% 99.3%
AG-400, 34 11,000 (41.6) 99.8% 99.3%
AG-440 12,000 (45.4) 99.8% 99.3%

1 Average salt rejection after 24 hours operation. Individual flow rate may vary +/-20%.
2 Testing conditions: 2,000ppm NaCl solution at 225psi (1,550kPa) operating pressure, 77°F (25°C), pH7 and 15% recovery.

Model Average permeate flow gpd (m3/day)1,2 Average NaCl rejection1,2 Part Number
AG-90 90 (8.4) Fiberglass 3056665
AG-365 365 (33.9) Fiberglass 3056666
AG-400 400 (37.2) Fiberglass 3056667
AG-400, 34 400 (37.2) Fiberglass 3056668
AG-440 440 (40.9) Fiberglass 3056669
Figure 1a: Element Dimensions Diagram – Male
Figure 1b: Element Dimensions Diagram – Female

Table 2: Operating and CIP parameters

Typical Operating Pressure 200 psi (1,380 kPa)
Typical Operating Flux 10-20GFD (15-35LMH)
Maximum Operating Pressure 600 psi (4,137 kPa)
Maximum Temperature Continuous operation: 122°F (50°C) Clean-In-Place (CIP): 122°F (50°C)
pH range Optimum rejection: 7.0-7.5, Continuous operation 4.0-11.0, Clean-In-Place (CIP): 1.0-13.01
Maximum Pressure Drop Over an element: 12 psi (83 kPa) Per housing: 50 psi (345 kPa)
Chlorine Tolerance 1,000+ ppm-hours, dechlorination recommended
Feedwater2 NTU < 1 SDI < 5

1 Please refer to Cleaning Guidelines Technical Bulletin TB1194
2 SDI is measured on a non-linear scale using a 0.45 micron filter paper. Additionally, finer colloids, particulates and microorganisms that pass through the filter paper and not measured in the SDI test, will potentially foul the RO element. For performance consistency and project warranty, please use Winflows projection software and consult your GE representative.

Table 3: Dimensions and Weights

A,B,C Dimensions, Inches (cm)

Model Type A B C Boxed Weight lbs (kg)
AG-90 Male 40.0 (101.6) 0.75 (1.90) 3.9 (9.9) 9 (4)
AG-365 Female 40.0 (101.6) 1.125 (2.86) 7.9 (20.1) 35 (16)
AG-400 Female 40.0 (101.6) 1.125 (2.86) 7.9 (20.1) 35 (16)
AG-400, 34 Female 40.0 (101.6) 1.125 (2.86) 7.9 (20.1) 35 (16)
AG-440 Female 40.0 (101.6) 1.125 (2.86) 7.9 (20.1) 35 (16)

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