BW Series Brackish Water RO Membranes
High-performance polyamide membranes designed for high-TDS water (>2,000 mg/L). Operates reliably under elevated pressure with excellent salt rejection.
| Model | BW-2514 | BW-2521 | BW-2540 | BW-4014 | BW-4021 | BW-4040 | BW-8040 |
|---|---|---|---|---|---|---|---|
| Effective membrane area ft²(m²) | 8(0.7) | 13(1.2) | 28(2.6) | 22(2.0) | 36(3.3) | 78(7.2) | 400(37) |
| Average yield GPD (m²/d) | 220(0.8) | 350(1.3) | 750(2.8) | 500(2.1) | 900(3.4) | 2500(9.5) | 11000(41.6) |
| Salt rejection (%) | 99 | 99 | 99.3 | 99.3 | 99.3 | 99.7 | 99.7 |
| Recovery rate (%) | 8 | 15 | 15 | 8 | 8 | 15 | 15 |
| Max.water flow GPM(m³/h) | 6(1.4) | 6(1.4) | 6(1.4) | 14(3.2) | 14(3.2) | 14(3.2) | 80(18) |
| Working pressure psi(Mpa) | 255(1.55) | ||||||
| Max.working pressure psi(Mpa) | 600(4.2) | ||||||
| Max.water temperature(°C) | 45 | ||||||
| Max.inflow SDI15 | 5 | ||||||
| Free chlorine concentration(mg/l) | <0.1 | ||||||
| Continuous runing water PHrange | 3-10 | ||||||
| Chemical cleaning water PH range | 2-11 | ||||||
| Max.single membrane element pressure drop psi(Mpa) | 15(0.1) | ||||||
| Parameter | Value |
|---|---|
| NaCl Concentration mg/L | 2000 ± 50 |
| Pressure psi (MPa) | 225 (1.55) |
| Temperature °C | 25 ± 1 |
| Testing pH | 7-8 |
| Parameter | Value |
|---|---|
| Max. Operating Pressure psi (MPa) | 600 (4.14) |
| Max. Inlet Water Temperature °C | 45 |
| Inlet Water during Continuous Operation pH Range | 3-10 |
| Chemical Cleaning pH Range | 2-12 |
| Max. Influent Turbidity NTU | 1.0 |
| Max. Inlet Water SDI15 | 5 |
| Max. Free Chlorine Concentration in Inlet Water mg/L | 0.1 |
| Max. Pressure Drop of a Single Membrane Element psi (MPa) | 15 (0.1) |
Shanghai Breeze Tech Environment Technology Co., Ltd. is a leading water treatment solution provider with 15 years of experience and a global presence across 60+ countries.
Address : No. 68-16, Shanghai, China 200000
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