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Fact Sheet
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FSsmAG_LF_EN.docx Nov-13
Membrane
Thin-film membrane (TFM*)
Model
Average
permeate
flow gpd
(m3/day)
1,2
Average NaCl
rejection
1,2
Minimum NaCl
rejection
1,2
AG4040F LF, WET
2,200 (8.33)
99.5%
99.0%
AG8040F 400 LF, WET
10,500 (39.7)
99.5%
99.0%
Model
Active area
ft2 (m2)
Outer wrap
Part
number
AG4040F LF, WET
85 (7.9)
Fiberglass
3056468
AG8040F 400 LF, WET
400 (37.2)
Fiberglass
3056466
Model1
Dimensions, inches (cm)
Boxed
A
B²
C
Weight
lbs (kg)
AG4040F LF, WET
40.0
(101.6)
0.75
(1.9) OD
3.88
(9.9)
12
(5.5)
AG8040F 400 LF, WET
40.0
(101.6)
1.125
(2.86)
7.9
(20.1)
35
(16)
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): 2.0-11.5
Maximum Pressure Drop
Over an element: 12 psi (83 kPa)
Per housing: 50 psi (345 kPa)
Chlorine Tolerance
1,000+ ppm-hours,
dechlorination recommended
Feedwater
NTU < 1
SDI < 5
AG LF Series
Low Fouling Brackish Water Reverse Osmosis Elements
The A-Series LF proprietary thin-film reverse osmosis (RO) membrane elements are characterized by
high flow, high sodium chloride rejection and low
fouling surface properties. AG LF 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.
AG LF high rejection brackish water elements feature a Fiberglass outer wrap.
Table 1: Element Specification
Figure 2: Element Dimensions Diagram – AG4040F LF, WET
Table 2: Dimensions and Weight
1
Average salt rejection after 24 hours operation. Individual flow rate may vary
+25%/-15%.
2
Testing conditions: 2,000ppm NaCl solution at 225psi (1,550kPa) operating
pressure, 77°F, pH7 and 15% recovery.
Figure 1: Element Dimensions Diagram - AG8040F 400 LF,
WET
1
These elements are bagged wet (WT) before shipping.
² Internal diameter unless specified OD (outside diameter).
Table 3: Operating and CIP parameters
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