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Stable rejection: 99.5% average permeate flux: 10600gpd effective membrane area: 400ft2
It has larger effective filtration area and wider inflow path. It can not only increase the water yield, but also diminish the frequency of cleaning, saving energy and cost. This series obtin the hightest quality of water at the lowest cost.
Specification and Main Performance of RO Membrane Elements
Type | Model | Performance | Structure Parameter | ||||
Stable Rejection / % | Average permeate flux /gpd (m3/d) | Effective Membrane Area / ft2 | Flowpath Diameter / mil | Product Pipe Inner Diameter / mm | |||
BW Series | BW-8040 | 99.5 | 10000(37.9) | 380 | 31 | 28.7 | |
BW-8040-400 | 99.5 | 10600(40.1) | 400 | 30 | 28.7 | ||
BW-4040 | 99.5 | 2400(9.1) | 90 | 31 | 19.0 | ||
Testing Conditions: |
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Testing Pressure | 225psi(1.55 MPa) | ||||||
Temperature of Testing Solution | 25 ℃ | ||||||
Testing Concentration(NaCl) | 2000 mg/L | ||||||
pH Value of Testing Solution | 7.5 | ||||||
Recovery of Single Membrane Element | 20% | ||||||
Operation Limits and Conditions: |
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Max. Working Pressure | 600 psi(4.14 MPa) | ||||||
Max. Feedwater Flow | 75 gpm(17 m3/h)(8040) | ||||||
| 16 gpm(3.6 m3/h)(4040) | ||||||
Max. Inflow Temperature | 45℃ | ||||||
Max. Inflow SDI15 | 5 | ||||||
Residual Chlorine Concentration of Feedwater | <0.1 mg/L | ||||||
pH Range of FeedwaterDuring Continuous Operation | 3~10 | ||||||
pH Range of FeedwaterDuring Chemical Cleaning | 2~12 | ||||||
Max Pressure Drop of Single Membrane Element | 15 psi(0.1 MPa) | ||||||
Kung Ta New Material CO., LTD
Quality: Clear as Sapphire and Quality as Rock
Registered trademark: Sapstone
Products: domestic/ commercial/ industrial ro membrane elements
NF membrane
Brife Introduction:
Tianjin Kung Ta New Materials Technology CO.,LTD is a leading manufacturer of ro membrane in China with ISO9001 certificated. As a high-tech enterprise, we take membrane separation technology as our core competence, and specialize in the R&D and manufacture of membrane products, the production of membrane equipment as well as the design, construction and operation of membrane engineering application.
Let Sapstone put the ro membrane on your success!




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