RO Membranes 8040/4040 Reverse Osmosis Water Spare Parts for RO System
Introduction:ULP-8040 / ULP-4040 elements can produce high-quality water at low operating costs. They are ideal for use in large-scale industrial and municipal water treatment systems. ULP-8040 / ULP-4040 elements can lower the operating pressure by 40%.
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Product parameter:
Product Specifications
| Model | Active Membrane Area ft2(m2) | Stabilized Salt Rejection % | Minimum Salt Rejection % | Permeate Flow Rate gpd(m3/d) |
| ULP-8040 | 400(37) | 99.3 | 99.0 | 11,500(44) |
| ULP-4040 | 78(7.2) | 99.3 | 99.0 | 2250(8.7) |
Test Condition: Feed Water Pressure 1.03MPa (150 psi); Feed Water Temperature 25 °C (77 °F); Feed Water Concentration 2,000 ppm NaCl; Feed Water pH 7; Permeate Recovery 15%.
Dimensions
| Model | A inch(mm) | B inch(mm) | C inch(mm) | D inch(mm) |
| ULP-8040 | 40(1,016) | 0 | 1.125(29) | 7.9(201) |
| ULP-4040 | 40(1,016) | 1.05(26.7) | 0.75(19) | 3.9(99) |
Operation Condition
Maximum Operating Pressure 41 bar(600 psi) Maximum Operating Temperature 45ºC(113ºF)
Maximum Pressure Drop per Element 1.0 bar (15 psi)
pH Range, Continuous Operation 2-11 pH Range, Chemical Cleaning 1-13
Maximum Feed Silt Density Index (SDI15) 5.0 Free Chlorine Tolerance < 0.1 ppm
Note
Permeate flow rates for individual elements may vary ±15%.
Membrane active areas may vary ±4%.
Stabilized salt rejection is generally achieved after continuous using for 24-48 hours, which depending on feed water qualities and operating conditions.
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