BW 4021 1000 GPD Brackish Water and Fouling Resistant BW Membrane
Max Water BW-4021 1000 GPD Commercial RO Membrane
- Reverse Osmosis membrane elements for commercial drinking water systems are the industry's most reliable method of water filtration. Advanced membrane technology and automated fabrication allow these elements to deliver consistent performance that equipment suppliers, water treatment dealers, and residential customers can rely on. Our Reverse Osmosis membranes are shipped dry for convenient handling and long shelf-life.
We suggest changing your membrane every 2 years
Specifications
- 1000 Gallon Per Day Membrane for Commercial Reverse Osmosis systems.
- Certified to ISO 9001 Standards
- Removes particles down to 1/10,000th of a micron (removing 98% of impurities including organic, inorganic contaminates, chemicals, ETC.).
TDS = Total Dissolved Solids.
Membrane Features
- Provides stable, high rejection of contaminates even with high TDS water sources.
- Advanced membrane technology with innovative thin layer composite membrane design.
- More consistent performance with less fouling requiring less frequent cleaning and change outs.
- 100% dry-stored membrane maximizing shelf life.
General Information
- The first full tank of permeate should be discarded, DO NOT use this initial permeate for drinking water or food preparation as it may contain carbon fines and manufacturing by-products.
- Keep membrane moist at all times after initial wetting.
- To prevent biological growth during prolonged system shutdowns, it is recommended that membrane elements be immersed in a preservative solution.
- The membrane shows some resistance to short-term contact with chlorine (hypochlorite). Continuous exposure, however, may damage the membrane and should be avoided.
- If operating limits and guidelines given in this bulletin are not strictly followed, the limited warranty will be null and void.
Usage
It is widely used for automatic water dispenser in residential area and school, direct drinking equipment in office, pure water machine in medical laboratory,small-sized desalination device etc.
Specifications & Parameters
| Model | Active Membrane Area ft2(m2) | Permeate Flow GPD(T/D) | Stable Rejection Rate (%) |
| BW-4021 | 36(3.4) | 1000(3.8) | 99.6 |
Standard Test Condition
| Concentration of Solution (NaCl) | Temperature(?) | pH Value | Operating Pressure psi(MPa) | Recovery Rate (%) |
| 2000ppm | 25 | 7.5-8 | 225(1.55) | 8 |
Notes: The permeate flow of single membrane element may vary with in ±15%.
Operating Limits and Conditions of Membrane Element:
| Max.Working Pressure | 600 psi(4.14MPa) |
| Max. FeedWater Temperature | 45 ? |
| Max. Feed Water Flow | 3.6m3/h |
| Max. FeedWaterSDI15 | 5.0 |
| Free Chlorine Concentration of FeedWater | 0.1mg/L |
| pHRange of FeedWaterDuring Continuous Operation | 3-10 |
| pHRange of FeedWaterDuring Chemical Cleaning | 2-12 |
| Max. Pressure Drop of Single Membrane Element | 10psi(0.07Mpa) |
This BW-4021 Reverse Osmosis membrane is used for many Applications such as:
- Car Washes
- Irrigation
- Food Industry
- Whole House Reverse Osmosis
- Agricultural
- Industrial
4" x 21" Fits all standard 4" x 21" Membrane housings stainless steel, PVC, or Fiberglass
This is compatible with the following common Brands and part numbers as well as others:
- Dow Filmtec TW30-4021
- CSM RE4021-BLN
- Toray
- Hydranautics
- Axeon Seawater Series
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