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SW-4040 8040 Sea water RO membrane
Suitable for：
1. new-built or existing ROsystems.
2. high quality permeate while minimizing unitcost.
3. various operating conditions with 4″and8″elements.
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- Description
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Product Specifications
Model
Active Membrane Area
ft2（m2）StabilizedSalt Rejection%
Minimum Salt Rejection%
Permeate Flow
Rate gpd（m3/d）TF22-8040
400(37)
99.5
99.0
10,500(40)
TF22-4040
78(7.2)
99.5
99.0
2,050(7.8)
Test Condition: Feed Water Pressure 1.55MPa (225 psi); Feed Water Temperature 25 °C (77 °F); Feed Water Concentration 32,000 ppm NaCl; Feed Water pH 8; Permeate Recovery 15%.
Dimensions
Model
A inch（mm）
B inch（mm）
C inch（mm）
D inch（mm）
SW22-8040
40(1,016)
0
1.125(29)
7.9(201)
SW22-4040
40(1,016)
1.05(26.7)
0.75(19)
3.9(99)
Operation Condition
MaximumOperating Pressure 55 bar(800 psi)
Maximum Operating Temperature 45℃（113℉）
Maximum Pressure DropperElement 1.0 bar (15 psi)
pH Range,ContinuousOperation 2-11
pH Range,ChemicalCleaning 1-13
Maximum Feed Silt DensityIndex (SDI15) 5.0
Free Chlorine Tolerance < 0.1ppmNote
1. Permeate flow rates for individual elements may vary±15%.
2. Membrane active areas may vary ±4%.
3. Stabilized salt rejection is generally achieved after continuous using for 24-48 hours, which depending on feed water qualities and operatingconditions.
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