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Sapstone 3500 tds RO membrane for domesticbrane 80gpd 13 layers
Raw material of RO membrane





Product advantage
1. SLE Series Product Performance Stability.
2. SLE Series is dry membrane elements, so it is easy to transport and storage time extend.
3. SLE Series be used for Rural and Urban tap-water or low salinity water due to it’s High Stable rejection and low pressure Advantage.
Test report
Three series household RO membrane elements for your different requirement
No. | Brand name | Membrane sheet type | layers | Inlet wter tds(ppm) | Working pressure | Permeate water tds(ppm) | Flow(L/H) | Water temperature | Water recovery |
1 | Sapstone | High tds | 11 | 3000(3080) | 80psi | 79 | 8 | 18.6℃ | 20% |
2 | Sapstone | High tds | 13 | 3000(3092) | 80psi | 92 | 9 | 18.6℃ | 20% |
3 | Sapstone | High tds | 15 | 3000(3102) | 80psi | 86 | 11.5 | 17.5℃ | 20% |
4 | Sapstone | High tds | 17 | 3000(3162) | 80psi | 124 | 12 | 17.2℃ | 20% |
Measurement of membrane element
Model | Size/mm(inch) | ||||
A | B | C | D | E | |
1810 | 256.0(10.1) | 44.5(1.75) | 17.0(0.67) | 25.0(0.98) | 15.0(0.59) |
1812 | 298.0(11.7) | 44.5(1.75) | 17.0(0.67) | 21.0(0.83) | 21.0(0.83) |
2012 | 298.0(11.7) | 48.2(1.9) | 17.0(0.67) | 21.0(0.83) | 21.0(0.83) |

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