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SW-4040 8040 Sea water RO membrane

SW22-8040 / SW22-4040 elements can separate salts from water and increase permeability while offering superior salt rejection. They are ideal for use in large-scale industrial and municipal water treatment systems.

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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Product serial number
SW-4040 8040
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Product description
Parameters

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

x

 

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 < 0.1ppm

Note
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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