Residential RO Membrane
Membrane Model: 1812/2012/2812/3012/3013
Diaphragm pore size: 0.0001um
Salt rejection rate: 95-98%
Operating temperature: 5-40℃
PH range: 2-11
Max. Pressure Drop of Single Membrane: 10psi (0.07Mpa)
Residential RO Membrane: Efficient Home Water Purification
Our Residential RO Membrane delivers superior water purification for domestic and light commercial use, featuring:
✅ Low operating pressure: Starts at 65psi (0.45MPa) for energy-efficient performance
✅ High salt rejection: ≥97% removal of salts, contaminants, and impurities
✅ Broad application: Suitable for homes, hospitals, laboratories, and small offices
✅ Compact design: Compatible with standard under-sink RO systems (see size specs below)
Key data: 25-45℃ operating temp range, 15% single-element recovery rate, and 0.0001μm filtration precision.
Technical Specifications
| Model | Active Membrane Area ft2 (m2) | Average Permeate | Stable Rejection | Test Pressure | Test Temp | Test Concentration |
| 1812-50 | 4 (0.4) | 50gdp | 97% | 65Psi(0.45MPa) | 25℃ | 250ppm |
| 1812-75 | 4 (0.4) | 75gdp | 97% | 65Psi(0.45MPa) | 25℃ | 250ppm |
| 2012-100 | 5 (0.5) | 100gdp | 97% | 65Psi(0.45MPa) | 25℃ | 250ppm |
| 2012-125 | 5 (0.5) | 125gdp | 97% | 65Psi(0.45MPa) | 25℃ | 250ppm |
| 2812-200 | 10 (1) | 200gdp | 97% | 100psi(0.69MPa) | 25℃ | 500ppm |
| 3012-300 | 14 (1.4) | 300gdp | 97% | 100psi(0.69MPa) | 25℃ | 500ppm |
| 3013-400 | 16 (1.5) | 400gdp | 97% | 100psi(0.69MPa) | 25℃ | 500ppm |
Membrane Dimensions
| Model | A mm (inch) | B mm (inch) | C mm (inch) |
| 1812-50 | 298 (11.73) | 48 (1.89) | 256 (10.08) |
| 1812-75 | 298 (11.73) | 48 (1.89) | 256 (10.08) |
| 2012-100 | 298 (11.73) | 48 (1.89) | 256 (10.08) |
| 2012-125 | 298 (11.73) | 48 (1.89) | 256 (10.08) |
| 2812-200 | 298 (11.73) | 68 (2.68) | 256 (10.08) |
| 3012-300 | 298 (11.73) | 73 (2.87) | 256 (10.08) |
| 3012-400 | 333 (13.11) | 68 (2.68) | 291 (11.45) |
Test condition
| Temperature Of Testing Solution | 25°C |
| Concentration Of Testing Solution (Tap Water) |
250ppm(1812-50,1812-75,2012-100) 500ppm(3012-200,3012-300,3013-400) |
| Testing Pressure | 60psi(1812-50,1812-75,2012-100) 100psi(3012-200,3012-300,3013-400) |
| PH Value Of Testing Solution | 6.5-7 |
| Recovery Rate Of Single Membrane Element | 15% |
Operating Limits
| Max. Working Pressure | 300psi |
| Max. Feedwater Temperature | 45°C |
| Max. Feedwater SDI | 5.0 |
| PH Range Of Feedwater During Continuous Operation | 3-10 |
| PH Range Of Feedwater During Chemical Cleaning | 2-12 |
| Max. Pressure Drop Of a Single Membrane Element | 10psi (0.07Mpa) |
Features of Residential RO Membrane
🔹 Energy-Saving Performance
65psi (0.45MPa) minimum feed pressure → reduces pump energy consumption vs. standard RO membranes.
🔹 Reliable Contaminant Removal
97%+ salt rejection rate (tested with 250-500ppm NaCl solution) → removes heavy metals, fluoride, and dissolved solids.
🔹 Durable Construction
Withstands pH 3-10 (continuous operation) and 45℃ max temperature → long service life in varied water conditions.
FAQ
Q1: What's the typical lifespan of this membrane?
A: 24-36 months under normal use (varies by feedwater quality; pre-filter maintenance recommended).
Q2: Which RO system sizes does it fit?
A: Compatible with standard 1812, 2012, 2812, 3012, and 3013 series residential RO units (see "Membrane Dimensions" table).
Q3: Does it remove bacteria and viruses?
A: Yes, 0.0001μm precision filtration eliminates 99.99% of bacteria (e.g., E. coli) and viruses.
Q4: What's the minimum feed water quality required?
A: Recommended SDI ≤5, turbidity <1 NTU, and free chlorine <0.1ppm (pre-treatment advised for high-TDS water).
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