Hunan Keensen Technology Co., Ltd.
Leading RO/NF Membranes Manufacturer.
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High Quality Reverse Osmosis Membrane RO-3012-400GPD with NSF for Water Purifier
1. Benefits
Residential reverse osmosis membrane elements are rolled with ultra-low pressure aromatic polyamide composite reverse osmosis membrane flat sheets. The membranes are suitable for treatment of raw water with salinity less than 1000mg/L.
2. Characteristics
High rejection rate and low operating pressure.
3. Applications
It is mainly used in small direct drinking water devices at home or office. The product meets the water efficiency requirements of grade 2 and above in the "Restricted Value and Water Efficiency Grade of Reverse Osmosis Water Purifiers" in GB34914-2021.
4. Specifications and Parameters
| Model | Active Area ft2(m2) | Permeate Flow GPD(m3/d) | Stable Rejection Rate Test Method A | Stable Rejection Rate Test Method B |
| RO-3012-400 | 14.7(1.37) | 400(1.51) | 95.0% |
98.0%
|
Test condition:
| Test Methods | Test Solution | Temperature (℃) | pH |
Operating Pressure psi(MPa)
| Recovery (%) |
| A |
500mg/L
| 25 | 7.5-8 | 100(0.69) | 55 |
| B |
250mg/L NaCI
| 25 | 7.5-8 | 100(0.69) | 20-30 |
Individual flow rate may vary ±15%.
Operating Limits of Membrane Element:
|
Maximum Operating Pressure
| 300psi(2.07MPa) |
|
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
| 2-12 |
|
Maximum Element Pressure Drop
| 10psi(0.07MPa) |
5. Advantages of KeenSen
International top brand
Membrane flat sheet manufacturer
All pictures for reference only. Please contact KeenSen for further advise.