Hunan Keensen Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 100000 pieces per year |
| Delivery Time | 3-15 work days |
| Packaging Details | Carton |
| Brand Name | KEENSEN |
| Model Number | BW-4021 |
| Certification | NSF Halal |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100000 pieces per year |
| Delivery Time | 3-15 work days | Packaging Details | Carton |
| Brand Name | KEENSEN | Model Number | BW-4021 |
| Certification | NSF Halal | Place of Origin | China |
| High Light | Brackish Water RO Membrane Element ，Commercial Series 4021 RO Membrane Element ，Water Treatment RO Membrane Element | ||
Brackish Water Commercial Membrane 4021 Membrane For Water Treatment
| Material: | Aromatic Polyamide |
| Working Pressure: | 225psi |
| Suitable Raw Water: | Surface water, groundwater, municipal water |
| Ph Range: | 2-11 |
| Pressure Rating: | 225psi |
| Membrane Area: | 36 Square Feet |
| Type: | Brackish Water commercial membrane |
| Permeate Flow Rate: | 950GPD |
| Certifications: | NSF/ANSI 61, NSF/ANSI 58, ISO 9001:2015 |
| Operating Temperature: | 0-45℃ |
| Size: | 4021 |
| Salt Rejection: | 99.5 |
Brackish Water Commercial Membrane 4021 Membrane For Water Treatment
Description:
BW-4021 membranes are suitable for desalination treatment of surface water, groundwater, municipal water, etc. within TDS 5000mg/L,and can be widely used in small systems such as automatic water vending machines in
residential areas or parks, direct drinking water equipment in office buildings, and pure water in medical
laboratories.
Applications:.
● Surface water, groundwater, municipal water etc.
● Feed TDS above 5000mg/L.
Specifications:
| Model | Active Area ft2(m2) | Feed Spacer Thickness(mil) | Permeate Flow Rate GPD(m3/D) | Stabilized Salt Rejection (%) |
| BW-4021 | 36(3.3) | 28 | 950(3.6) | 99.5 |
Standard Test Conditions:
| Solution | Temperature (℃) | pH | Operating Pressure psi(MPa) | Recovery (%) |
| 2000mg/L NaCl | 25 | 7.5-8.0 | 225(1.55) | 8 |
Benefits:
● High Rejection Rate and High Concentration Rate.
● Stability and Durability.
Element Dimensions and Operating Limits:
| Model | Length | Diameter | Permeate Tube inner Diameter | Permeate Tube Extension Length | ||||
| inch | mm | inch | mm | inch | mm | inch | mm | |
| 4021 | 21 | 553.4 | 3.9 | 99 | 0.75 | 19.0 | 1.04 | 26.5 |
| 2540 | 40 | 1016 | 2.4 | 61 | 0.75 | 19.0 | 1.125 | 28.6 |
| 2521 | 21 | 553.4 | 2.4 | 61 | 0.75 | 19.0 | 1.125 | 28.6 |
| Maximum Operating Pressure | 600psi(4.14MPa) |
| Operating Temperature Range | 0-45℃ |
| Maximum Feed Silt Density Index (SDI15) | 5.0 |
| Free Chlorine Tolerance | 0.1mg/L |
| pH Range,Continuous Operation | 3-10 |
| pH Range,Short-Term Cleaning | 1-13 |
| Maximum Element Pressure Drop | 15psi(0.1MPa) |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2008
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Hunan Keensen Technology Co., Ltd., established in 2008, located in high-tech development district, Changsha (Lu Valley · Hunan· China), specializing in R&D, production, sales and service for reverse osmosis and nanofiltration membrane elements. Keensen has the top technology ... Hunan Keensen Technology Co., Ltd., established in 2008, located in high-tech development district, Changsha (Lu Valley · Hunan· China), specializing in R&D, production, sales and service for reverse osmosis and nanofiltration membrane elements. Keensen has the top technology ...
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